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L7812ABV

hot L7812ABV

L7812ABV

For Reference Only

Part Number L7812ABV
Manufacturer STMicroelectronics
Description IC REG LINEAR 12V 1.5A TO220AB
Datasheet L7812ABV Datasheet
Package TO-220-3
In Stock 3778 piece(s)
Unit Price $ 0.61 *
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L7812ABV

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L7812ABV Specifications

ManufacturerSTMicroelectronics
CategoryIntegrated Circuits (ICs) - PMIC - Voltage Regulators - Linear
Datasheet L7812ABV Datasheet
PackageTO-220-3
Series-
Output ConfigurationPositive
Output TypeFixed
Number of Regulators1
Voltage - Input (Max)35V
Voltage - Output (Min/Fixed)12V
Voltage Dropout (Max)2V @ 1A (Typ)
Current - Output1.5A
Current - Supply6mA
PSRR60dB (120Hz)
Protection FeaturesOver Temperature, Short Circuit
Operating Temperature-40°C ~ 125°C
Mounting TypeThrough Hole
Package / CaseTO-220-3
Supplier Device PackageTO-220AB

L7812ABV Datasheet

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TO-220FPTO-220 D²PAKDPAK Features • Output current up to 1.5 A • Output voltages of 5; 6; 8; 8.5; 9; 12; 15; 18; 24 V • Thermal overload protection • Short circuit protection • Output transition SOA protection • 2 % output voltage tolerance (A version) • Guaranteed in extended temperature range (A version) Description The L78 series of three-terminal positive regulators is available in TO-220, TO-220FP, D²PAK and DPAK packages and several fixed output voltages, making it useful in a wide range of applications. These regulators can provide local on-card regulation, eliminating the distribution problems associated with single point regulation. Each type embeds internal current limiting, thermal shut-down and safe area protection, making it essentially indestructible. If adequate heat sinking is provided, they can deliver over 1 A output current. Although designed primarily as fixed voltage regulators, these devices can be used with external components to obtain adjustable voltage and currents. Maturity status link L78 Positive voltage regulator ICs L78 Datasheet DS0422 - Rev 36 - September 2018 For further information contact your local STMicroelectronics sales office. www.st.com

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1 Diagram Figure 2. Block diagram GAMG220920161000MT L78 Diagram DS0422 - Rev 36 page 2/55

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2 Pin configuration Figure 3. Pin connections (top view) TO-220FPTO-220 D²PAK DPAK GAMG220920161001MT Figure 4. Schematic diagram GAMG220920161002MT L78 Pin configuration DS0422 - Rev 36 page 3/55

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3 Maximum ratings Table 1. Absolute maximum ratings Symbol Parameter Value Unit VI DC input voltage for VO= 5 to 18 V 35 V for VO= 20, 24 V 40 IO Output current Internally limited PD Power dissipation Internally limited TSTG Storage temperature range -65 to 150 °C TOP Operating junction temperature range for L78xxC, L78xxAC 0 to 125 °C for L78xxAB -40 to 125 Note: Absolute maximum ratings are those values beyond which damage to the device may occur. Functional operation under these condition is not implied. Table 2. Thermal data Symbol Parameter D²PAK DPAK TO-220 TO-220FP Unit RthJC Thermal resistance junction-case 3 8 5 5 °C/W RthJA Thermal resistance junction-ambient 62.5 100 50 60 °C/W Figure 5. Application circuits GAMG220920161003MT L78 Maximum ratings DS0422 - Rev 36 page 4/55

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4 Test circuits Figure 6. DC parameter GAMG220920161004MT Figure 7. Load regulation GAMG220920161005MT Figure 8. Ripple rejection GAMG220920161006MT L78 Test circuits DS0422 - Rev 36 page 5/55

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5 Electrical characteristics VI = 10 V, IO = 1 A, TJ = 0 to 125 °C (L7805AC), TJ = -40 to 125 °C (L7805AB), unless otherwise specified. Table 3. Electrical characteristics of L7805A Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25 °C 4.9 5 5.1 V VO Output voltage IO = 5 mA to 1 A, VI = 7.5 to 18 V 4.8 5 5.2 V VO Output voltage IO = 1 A, VI = 18 to 20 V, TJ = 25 °C 4.8 5 5.2 V ∆VO (1) Line regulation VI = 7.5 to 25 V, IO = 500 mA, TJ = 25 °C 7 50 mV VI = 8 to 12 V 10 50 mV VI = 8 to 12 V, TJ = 25 °C 2 25 mV VI = 7.3 to 20 V, TJ = 25 °C 7 50 mV ∆VO (1) Load regulation IO = 5 mA to 1 A 25 100 mVIO = 5 mA to 1.5 A, TJ = 25 °C 30 100 IO = 250 to 750 mA 8 50 Iq Quiescent current TJ = 25 °C 4.3 6 mA 6 mA ∆Iq Quiescent current change VI = 8 to 23 V, IO = 500 mA 0.8 mA VI = 7.5 to 20 V, TJ = 25 °C 0.8 mA IO = 5 mA to 1 A 0.5 mA SVR Supply voltage rejection VI = 8 to 18 V, f = 120 Hz, IO = 500 mA 68 dB Vd Dropout voltage IO = 1 A, TJ = 25 °C 2 V eN Output noise voltage TA = 25 °C, B =10 Hz to 100 kHz 10 µV/VO RO Output resistance f = 1 kHz 17 mΩ Isc Short circuit current VI = 35 V, TA = 25 °C 0.2 A Iscp Short circuit peak current TJ = 25 °C 2.2 A ∆VO/∆T Output voltage drift -1.1 mV/°C 1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty cycle is used. Note: Minimum load current for regulation is 5 mA. L78 Electrical characteristics DS0422 - Rev 36 page 6/55

Page 8

VI = 11 V, IO = 1 A, TJ = 0 to 125 °C (L7806AC), TJ = -40 to 125 °C (L7806AB), unless otherwise specified. Table 4. Electrical characteristics of L7806A Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25 °C 5.88 6 6.12 V VO Output voltage IO = 5 mA to 1 A, VI = 8.6 to 19 V 5.76 6 6.24 V VO Output voltage IO = 1 A, VI = 19 to 21 V, TJ = 25 °C 5.76 6 6.24 V ∆VO (1) Line regulation VI = 8.6 to 25 V, IO = 500 mA, TJ = 25 °C 9 60 mV VI = 9 to 13 V 11 60 mV VI = 9 to 13 V, TJ = 25 °C 3 30 mV VI = 8.3 to 21 V, TJ = 25 °C 9 60 mV ∆VO (1) Load regulation IO = 5 mA to 1 A 25 100 mVIO = 5 mA to 1.5 A, TJ = 25 °C 30 100 IO = 250 to 750 mA 10 50 Iq Quiescent current TJ = 25° C 4.3 6 mA 6 mA ∆Iq Quiescent current change VI = 9 to 24 V, IO = 500 mA 0.8 mA VI = 8.6 to 21 V, TJ = 25 °C 0.8 mA IO = 5 mA to 1 A 0.5 mA SVR Supply voltage rejection VI = 9 to 19 V, f = 120 Hz, IO = 500 mA 65 dB Vd Dropout voltage IO = 1 A, TJ = 25 °C 2 V eN Output noise voltage TA = 25 °C, B =10 Hz to 100 kHz 10 µV/VO RO Output resistance f = 1 kHz 17 mΩ Isc Short circuit current VI = 35 V, TA = 25 °C 0.2 A Iscp Short circuit peak current TJ = 25 °C 2.2 A ∆VO/∆T Output voltage drift -0.8 mV/°C 1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty cycle is used. Note: Minimum load current for regulation is 5 mA. L78 Electrical characteristics DS0422 - Rev 36 page 7/55

Page 9

VI = 14 V, IO = 1 A, TJ = 0 to 125 °C (L7808AC), TJ = -40 to 125 °C (L7808AB), unless otherwise specified. Table 5. Electrical characteristics of L7808A Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25 °C 7.84 8 8.16 V VO Output voltage IO = 5 mA to 1 A, VI = 10.6 to 21 V 7.7 8 8.3 V VO Output voltage IO = 1 A, VI = 21 to 23 V, TJ = 25 °C 7.7 8 8.3 V ∆VO (1) Line regulation VI = 10.6 to 25 V, IO = 500 mA, TJ = 25 °C 12 80 mV VI = 11 to 17 V 15 80 mV VI = 11 to 17 V, TJ = 25 °C 5 40 mV VI = 10.4 to 23 V, TJ = 25 °C 12 80 mV ∆VO (1) Load regulation IO = 5 mA to 1 A 25 100 mVIO = 5 mA to 1.5 A, TJ = 25 °C 30 100 IO = 250 to 750 mA 10 50 Iq Quiescent current TJ = 25 °C 4.3 6 mA 6 mA ∆Iq Quiescent current change VI = 11 to 23 V, IO = 500 mA 0.8 mA VI = 10.6 to 23 V, TJ = 25 °C 0.8 mA IO = 5 mA to 1 A 0.5 mA SVR Supply voltage rejection VI = 11.5 to 21.5 V, f = 120 Hz, IO = 500 mA 62 dB Vd Dropout voltage IO = 1 A, TJ = 25 °C 2 V eN Output noise voltage TA = 25 °C, B =10 Hz to 100 kHz 10 µV/VO RO Output resistance f = 1 kHz 18 mΩ Isc Short circuit current VI = 35 V, TA = 25 °C 0.2 A Iscp Short circuit peak current TJ = 25 °C 2.2 A ∆VO/∆T Output voltage drift -0.8 mV/°C 1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty cycle is used. Note: Minimum load current for regulation is 5 mA. L78 Electrical characteristics DS0422 - Rev 36 page 8/55

Page 10

VI = 15 V, IO = 1 A, TJ = 0 to 125 °C (L7809AC), TJ = -40 to 125 °C (L7809AB), unless otherwise specified(Minimum load current for regulation is 5 mA.) Table 6. Electrical characteristics of L7809A Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25 °C 8.82 9 9.18 V VO Output voltage IO = 5 mA to 1 A, VI = 10.6 to 22 V 8.65 9 9.35 V VO Output voltage IO = 1 A, VI = 22 to 24 V, TJ = 25 °C 8.65 9 9.35 V ∆VO (1) Line regulation VI = 10.6 to 25 V, IO = 500 mA, TJ = 25 °C 12 90 mV VI = 11 to 17 V 15 90 mV VI = 11 to 17 V, TJ = 25 °C 5 45 mV VI = 11.4 to 23 V, TJ = 25 °C 12 90 mV ∆VO (1) Load regulation IO = 5 mA to 1 A 25 100 mVIO = 5 mA to 1.5 A, TJ = 25 °C 30 100 IO = 250 to 750 mA 10 50 Iq Quiescent current TJ = 25 °C 4.3 6 mA 6 mA ∆Iq Quiescent current change VI = 11 to 25 V, IO = 500 mA 0.8 mA VI = 10.6 to 23 V, TJ = 25 °C 0.8 mA IO = 5 mA to 1 A 0.5 mA SVR Supply voltage rejection VI = 11.5 to 21.5 V, f = 120 Hz, IO = 500 mA 61 dB Vd Dropout voltage IO = 1 A, TJ = 25 °C 2 V eN Output noise voltage TA = 25 °C, B =10 Hz to 100 kHz 10 µV/VO RO Output resistance f = 1 kHz 18 mΩ Isc Short circuit current VI = 35 V, TA = 25 °C 0.2 A Iscp Short circuit peak current TJ = 25 °C 2.2 A ∆VO/∆T Output voltage drift -0.8 mV/°C 1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty cycle is used. Note: Minimum load current for regulation is 5 mA. L78 Electrical characteristics DS0422 - Rev 36 page 9/55

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VI = 19 V, IO = 1 A, TJ = 0 to 125 °C (L7812AC), TJ = -40 to 125 °C (L7812AB), unless otherwise specified. Table 7. Electrical characteristics of L7812A Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25 °C 11.75 12 12.25 V VO Output voltage IO = 5 mA to 1 A, VI = 14.8 to 25 V 11.5 12 12.5 V VO Output voltage IO = 1 A, VI = 25 to 27 V, TJ = 25 °C 11.5 12 12.5 V ∆VO (1) Line regulation VI = 14.8 to 30 V, IO = 500 mA, TJ = 25 °C 13 120 mV VI = 16 to 12 V 16 120 mV VI = 16 to 12 V, TJ = 25 °C 6 60 mV VI = 14.5 to 27 V, TJ = 25 °C 13 120 mV ∆VO (1) Load regulation IO = 5 mA to 1 A 25 100 mVIO = 5 mA to 1.5 A, TJ = 25 °C 30 100 IO = 250 to 750 mA 10 50 Iq Quiescent current TJ = 25 °C 4.4 6 mA 6 mA DIq Quiescent current change VI = 15 to 30 V, IO = 500 mA 0.8 mA VI = 14.8 to 27 V, TJ = 25 °C 0.8 mA IO = 5 mA to 1 A 0.5 mA SVR Supply voltage rejection VI = 15 to 25 V, f = 120 Hz, IO = 500 mA 60 dB Vd Dropout voltage IO = 1 A, TJ = 25 °C 2 V eN Output noise voltage TA = 25 °C, B = 10 Hz to 100 kHz 10 µV/VO RO Output resistance f = 1 kHz 18 mΩ Isc Short circuit current VI = 35 V, TA = 25 °C 0.2 A Iscp Short circuit peak current TJ = 25 °C 2.2 A ∆VO/∆T Output voltage drift -1 mV/°C 1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty cycle is used. Note: Minimum load current for regulation is 5 mA. L78 Electrical characteristics DS0422 - Rev 36 page 10/55

Page 12

VI = 23 V, IO = 1 A, TJ = 0 to 125 °C (L7815AC), TJ = -40 to 125 °C (L7815AB), unless otherwise specified. Table 8. Electrical characteristics of L7815A Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25 °C 14.7 15 15.3 V VO Output voltage IO = 5 mA to 1 A, VI = 17.9 to 28 V 14.4 15 15.6 V VO Output voltage IO = 1 A, VI = 28 to 30 V, TJ = 25 °C 14.4 15 15.6 V ∆VO (1) Line regulation VI = 17.9 to 30 V, IO = 500 mA, TJ = 25 °C 13 150 mV VI = 20 to 26 V 16 150 mV VI = 20 to 26 V, TJ = 25 °C 6 75 mV VI = 17.5 to 30 V, TJ = 25 °C 13 150 mV ∆VO (1) Load regulation IO = 5 mA to 1 A 25 100 mVIO = 5 mA to 1.5 A, TJ = 25 °C 30 100 IO = 250 to 750 mA 10 50 Iq Quiescent current TJ = 25 °C 4.4 6 mA 6 mA ∆Iq Quiescent current change VI = 17.5 to 30 V, IO = 500 mA 0.8 mA VI = 17.5 to 30 V, TJ = 25 °C 0.8 mA IO = 5 mA to 1 A 0.5 mA SVR Supply voltage rejection VI = 18.5 to 28.5 V, f = 120 Hz, IO = 500 mA 58 dB Vd Dropout voltage IO = 1 A, TJ = 25 °C 2 V eN Output noise voltage TA = 25 °C, B = 10Hz to 100 kHz 10 µV/VO RO Output resistance f = 1 kHz 19 mΩ Isc Short circuit current VI = 35 V, TA = 25 °C 0.2 A Iscp Short circuit peak current TJ = 25 °C 2.2 A ∆VO/∆T Output voltage drift -1 mV/°C 1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty cycle is used. Note: Minimum load current for regulation is 5 mA. L78 Electrical characteristics DS0422 - Rev 36 page 11/55

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VI = 33 V, IO = 1 A, TJ = 0 to 125 °C (L7824AC), TJ = -40 to 125 °C (L7824AB), unless otherwise specified. Table 9. Electrical characteristics of L7824A Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25 °C 23.5 24 24.5 V VO Output voltage IO = 5 mA to 1 A, VI = 27.3 to 37 V 23 24 25 V VO Output voltage IO = 1 A, VI = 37 to 38 V, TJ = 25 °C 23 24 25 V ∆VO (1) Line regulation VI = 27 to 38 V, IO = 500 mA, TJ = 25 °C 31 240 mV VI = 30 to 36 V 35 200 mV VI = 30 to 36 V, TJ = 25 °C 14 120 mV VI = 26.7 to 38 V, TJ = 25 °C 31 240 mV ∆VO (1) Load regulation IO = 5 mA to 1 A 25 100 mVIO = 5 mA to 1.5 A, TJ = 25 °C 30 100 IO = 250 to 750 mA 10 50 Iq Quiescent current TJ = 25 °C 4.6 6 mA 6 mA ∆Iq Quiescent current change VI = 27.3 to 38 V, IO = 500 mA 0.8 mA VI = 27.3 to 38 V, TJ = 25 °C 0.8 mA IO = 5 mA to 1 A 0.5 mA SVR Supply voltage rejection VI = 28 to 38 V, f = 120 Hz, IO = 500 mA 54 dB Vd Dropout voltage IO = 1 A, TJ = 25 °C 2 V eN Output noise voltage TA = 25 °C, B = 10 Hz to 100 kHz 10 µV/VO RO Output resistance f = 1 kHz 20 m Isc Short circuit current VI = 35 V, TA = 25 °C 0.2 A Iscp Short circuit peak current TJ = 25 °C 2.2 A ∆VO/∆T Output voltage drift -1.5 mV/°C 1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty cycle is used. Note: Minimum load current for regulation is 5 mA. L78 Electrical characteristics DS0422 - Rev 36 page 12/55

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Refer to the test circuits, TJ = 0 to 125 °C, VI = 10 V, IO = 500 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified. Table 10. Electrical characteristics of L7805C Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25 °C 4.8 5 5.2 V VO Output voltage IO = 5 mA to 1 A, VI = 7 to 18 V 4.75 5 5.25 V VO Output voltage IO = 1 A, VI = 18 to 20V, TJ = 25 °C 4.75 5 5.25 V ∆VO (1) Line regulation VI = 7 to 25 V, TJ = 25 °C 3 100 mV VI = 8 to 12 V, TJ = 25 °C 1 50 ∆VO (1) Load regulation IO = 5 mA to 1.5 A, TJ = 25 °C 100 mV IO = 250 to 750 mA, TJ = 25 °C 50 Id Quiescent current TJ = 25° C 8 mA ∆Id Quiescent current change IO = 5 mA to 1 A 0.5 mA VI = 7 to 23 V 0.8 ∆VO/∆T Output voltage drift IO = 5 mA -1.1 mV/°C eN Output noise voltage B = 10 Hz to 100 kHz, TJ = 25 °C 40 µV/VO SVR Supply voltage rejection VI = 8 to 18 V, f = 120 Hz 62 dB Vd Dropout voltage IO = 1 A, TJ = 25 °C 2 V RO Output resistance f = 1 kHz 17 mΩ Isc Short circuit current VI = 35 V, TJ = 25 °C 0.75 A Iscp Short circuit peak current TJ = 25 °C 2.2 A 1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty cycle is used. Note: Minimum load current for regulation is 5 mA. L78 Electrical characteristics DS0422 - Rev 36 page 13/55

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Refer to the test circuits, TJ = 0 to 125 °C, VI = 11 V, IO = 500 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified. Table 11. Electrical characteristics of L7806C Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25 °C 5.75 6 6.25 V VO Output voltage IO = 5 mA to 1 A, VI = 8 to 19 V 5.7 6 6.3 V VO Output voltage IO = 1 A, VI = 19 to 21 V, TJ = 25 °C 5.7 6 6.3 V ∆VO (1) Line regulation VI = 8 to 25 V, TJ = 25 °C 120 mV VI = 9 to 13 V, TJ = 25 °C 60 ∆VO (1) Load regulation IO = 5 mA to 1.5 A, TJ = 25 °C 120 mV IO = 250 to 750 mA, TJ = 25 °C 60 Id Quiescent current TJ = 25 °C 8 mA DId Quiescent current change IO = 5 mA to 1 A 0.5 mA VI = 8 to 24 V 1.3 ∆VO/∆T Output voltage drift IO = 5 mA -0.8 mV/°C eN Output noise voltage B = 10 Hz to 100 kHz, TJ = 25 °C 45 µV/VO SVR Supply voltage rejection VI = 9 to 19 V, f = 120 Hz 59 dB Vd Dropout voltage IO = 1 A, TJ = 25 °C 2 V RO Output resistance f = 1 kHz 19 mΩ Isc Short circuit current VI = 35 V, TJ = 25 °C 0.55 A Iscp Short circuit peak current TJ = 25 °C 2.2 A 1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty cycle is used. Note: Minimum load current for regulation is 5 mA. L78 Electrical characteristics DS0422 - Rev 36 page 14/55

Page 16

Refer to the test circuits, TJ = 0 to 125 °C, VI = 14 V, IO = 500 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified. Table 12. Electrical characteristics of L7808C Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25 °C 7.7 8 8.3 V VO Output voltage IO = 5 mA to 1 A, VI = 10.5 to 21 V 7.6 8 8.4 V VO Output voltage IO = 1 A, VI = 21 to 25 V, TJ = 25 °C 7.6 8 8.4 V ∆VO (1) Line regulation VI = 10.5 to 25 V, TJ = 25 °C 160 mV VI = 11 to 17 V, TJ = 25 °C 80 ∆VO (1) Load regulation IO = 5 mA to 1.5 A, TJ = 25 °C 160 mV IO = 250 to 750 mA, TJ = 25 °C 80 Id Quiescent current TJ = 25 °C 8 mA ∆Id Quiescent current change IO = 5 mA to 1 A 0.5 mA VI = 10.5 to 25 V 1 ∆VO/∆T Output voltage drift IO = 5 mA -0.8 mV/°C eN Output noise voltage B = 10 Hz to 100 kHz, TJ = 25 °C 52 µV/VO SVR Supply voltage rejection VI = 11.5 to 21.5 V, f = 120 Hz 56 dB Vd Dropout voltage IO = 1 A, TJ = 25 °C 2 V RO Output resistance f = 1 kHz 16 mΩ Isc Short circuit current VI = 35 V, TJ = 25 °C 0.45 A Iscp Short circuit peak current TJ = 25 °C 2.2 A 1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty cycle is used. Note: Minimum load current for regulation is 5 mA. L78 Electrical characteristics DS0422 - Rev 36 page 15/55

Page 17

Refer to the test circuits, TJ = 0 to 125 °C, VI = 14.5 V, IO = 500 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified. Table 13. Electrical characteristics of L7885C Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25 °C 8.2 8.5 8.8 V VO Output voltage IO = 5 mA to 1 A, VI = 11 to 21.5 V 8.1 8.5 8.9 V VO Output voltage IO = 1 A, VI = 21.5 to 26 V, TJ = 25 °C 8.1 8.5 8.9 V ∆VO (1) Line regulation VI = 11 to 27 V, TJ = 25 °C 160 mV VI = 11.5 to 17.5 V, TJ = 25 °C 80 ∆VO (1) Load regulation IO = 5 mA to 1.5 A, TJ = 25 °C 160 mV IO = 250 to 750 mA, TJ = 25 °C 80 Id Quiescent current TJ = 25 °C 8 mA ∆Id Quiescent current change IO = 5 mA to 1 A 0.5 mA VI = 11 to 26 V 1 ∆VO/∆T Output voltage drift IO = 5 mA -0.8 mV/°C eN Output noise voltage B = 10 Hz to 100 kHz, TJ = 25 °C 55 µV/VO SVR Supply voltage rejection VI = 12 to 22 V, f = 120 Hz 56 dB Vd Dropout voltage IO = 1 A, TJ = 25 °C 2 V RO Output resistance f = 1 kHz 16 mΩ Isc Short circuit current VI = 35 V, TJ = 25 °C 0.45 A Iscp Short circuit peak current TJ = 25 °C 2.2 A 1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty cycle is used. Note: Minimum load current for regulation is 5 mA. L78 Electrical characteristics DS0422 - Rev 36 page 16/55

Page 18

Refer to the test circuits, TJ = 0 to 125 °C, VI = 15 V, IO = 500 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified. Table 14. Electrical characteristics of L7809C Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25 °C 8.64 9 9.36 V VO Output voltage IO = 5 mA to 1 A, VI = 11.5 to 22 V 8.55 9 9.45 V VO Output voltage IO = 1 A, VI = 22 to 26 V, TJ = 25 °C 8.55 9 9.45 V ∆VO (1) Line regulation VI = 11.5 to 26 V, TJ = 25 °C 180 mV VI = 12 to 18 V, TJ = 25 °C 90 ∆VO (1) Load regulation IO = 5 mA to 1.5 A, TJ = 25 °C 180 mV IO = 250 to 750 mA, TJ = 25 °C 90 Id Quiescent current TJ = 25 °C 8 mA ∆Id Quiescent current change IO = 5 mA to 1 A 0.5 mA VI = 11.5 to 26 V 1 ∆VO/∆T Output voltage drift IO = 5 mA -1 mV/°C eN Output noise voltage B = 10 Hz to 100 kHz, TJ = 25 °C 70 µV/VO SVR Supply voltage rejection VI = 12 to 23 V, f = 120 Hz 55 dB Vd Dropout voltage IO = 1 A, TJ = 25 °C 2 V RO Output resistance f = 1 kHz 17 mΩ Isc Short circuit current VI = 35 V, TJ = 25 °C 0.40 A Iscp Short circuit peak current TJ = 25 °C 2.2 A 1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty cycle is used. Note: Minimum load current for regulation is 5 mA. L78 Electrical characteristics DS0422 - Rev 36 page 17/55

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Refer to the test circuits, TJ = 0 to 125 °C, VI = 19 V, IO = 500 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified. Table 15. Electrical characteristics of L7812C Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25 °C 11.5 12 12.5 V VO Output voltage IO = 5 mA to 1 A, VI = 14.5 to 25 V 11.4 12 12.6 V VO Output voltage IO = 1 A, VI = 25 to 27 V, TJ = 25 °C 11.4 12 12.6 V ∆VO (1) Line regulation VI = 14.5 to 30 V, TJ = 25 °C 240 mV VI = 16 to 22 V, TJ = 25 °C 120 ∆VO (1) Load regulation IO = 5 mA to 1.5 A, TJ = 25 °C 240 mV IO = 250 to 750 mA, TJ = 25 °C 120 Id Quiescent current TJ = 25 °C 8 mA ∆Id Quiescent current change IO = 5 mA to 1 A 0.5 mA VI = 14.5 to 30 V 1 ∆VO/∆T Output voltage drift IO = 5 mA -1 mV/°C eN Output noise voltage B = 10 Hz to 100 kHz, TJ = 25 °C 75 µV/VO SVR Supply voltage rejection VI = 15 to 25 V, f = 120 Hz 55 dB Vd Dropout voltage IO = 1 A, TJ = 25 °C 2 V RO Output resistance f = 1 kHz 18 mΩ Isc Short circuit current VI = 35 V, TJ = 25 °C 0.35 A Iscp Short circuit peak current TJ = 25 °C 2.2 A 1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty cycle is used. Note: Minimum load current for regulation is 5 mA. L78 Electrical characteristics DS0422 - Rev 36 page 18/55

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Refer to the test circuits, TJ = 0 to 125 °C, VI = 23 V, IO = 500 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified. Table 16. Electrical characteristics of L7815C Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25 °C 14.4 15 15.6 V VO Output voltage IO = 5 mA to 1 A, VI = 17.5 to 28 V 14.25 15 15.75 V VO Output voltage IO = 1 A, VI = 28 to 30 V, TJ = 25 °C 14.25 15 15.75 V ∆VO (1) Line regulation VI = 17.5 to 30 V, TJ = 25 °C 300 mV VI = 20 to 26 V, TJ = 25 °C 150 ∆VO (1) Load regulation IO = 5 mA to 1.5 A, TJ = 25 °C 300 mV IO = 250 to 750 mA, TJ = 25 °C 150 Id Quiescent current TJ = 25 °C 8 mA ∆Id Quiescent current change IO = 5 mA to 1A 0.5 mA VI = 17.5 to 30 V 1 ∆VO/∆T Output voltage drift IO = 5 mA -1 mV/°C eN Output noise voltage B = 10 Hz to 100kHz, TJ = 25 °C 90 µV/VO SVR Supply voltage rejection VI = 18.5 to 28.5 V, f = 120 Hz 54 dB Vd Dropout voltage IO = 1 A, TJ = 25 °C 2 V RO Output resistance f = 1 kHz 19 mΩ Isc Short circuit current VI = 35 V, TJ = 25 °C 0.23 A Iscp Short circuit peak current TJ = 25 °C 2.2 A 1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty cycle is used. Note: Minimum load current for regulation is 5 mA. L78 Electrical characteristics DS0422 - Rev 36 page 19/55

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Refer to the test circuits, TJ = 0 to 125 °C, VI = 26 V, IO = 500 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified. Table 17. Electrical characteristics of L7818C Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25 °C 17.3 18 18.7 V VO Output voltage IO = 5 mA to 1 A, VI = 21 to 31 V 17.1 18 18.9 V VO Output voltage IO = 1 A, VI = 31 to 33 V, TJ = 25 °C 17.1 18 18.9 V ∆VO (1) Line regulation VI = 21 to 33 V, TJ = 25 °C 360 mV VI = 24 to 30 V, TJ = 25 °C 180 ∆VO (1) Load regulation IO = 5 mA to 1.5 A, TJ = 25 °C 360 mV IO = 250 to 750 mA, TJ = 25 °C 180 Id Quiescent current TJ = 25 °C 8 mA ∆Id Quiescent current change IO = 5 mA to 1 A 0.5 mA VI = 21 to 33 V 1 ∆VO/∆T Output voltage drift IO = 5 mA -1 mV/°C eN Output noise voltage B = 10 Hz to 100 kHz, TJ = 25 °C 110 µV/VO SVR Supply voltage rejection VI = 22 to 32 V, f = 120 Hz 53 dB Vd Dropout voltage IO = 1 A, TJ = 25 °C 2 V RO Output resistance f = 1 kHz 22 mΩ Isc Short circuit current VI = 35 V, TJ = 25 °C 0.20 A Iscp Short circuit peak current TJ = 25 °C 2.1 A 1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty cycle is used. Note: Minimum load current for regulation is 5 mA. L78 Electrical characteristics DS0422 - Rev 36 page 20/55

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Refer to the test circuits, TJ = 0 to 125 °C, VI = 33 V, IO = 500 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified. Table 18. Electrical characteristics of L7824C Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25 °C 23 24 25 V VO Output voltage IO = 5 mA to 1 A, VI = 27 to 37 V 22.8 24 25.2 V VO Output voltage IO = 1 A, VI = 37 to 38 V, TJ = 25 °C 22.8 24 25.2 V ∆VO (1) Line regulation VI = 27 to 38 V, TJ = 25 °C 480 mV VI = 30 to 36 V, TJ = 25 °C 240 ∆VO (1) Load regulation IO = 5 mA to 1.5 A, TJ = 25 °C 480 mV IO = 250 to 750 mA, TJ = 25 °C 240 Id Quiescent current TJ = 25 °C 8 mA ∆Id Quiescent current change IO = 5 mA to 1 A 0.5 mA VI = 27 to 38 V 1 ∆VO/∆T Output voltage drift IO = 5 mA -1.5 mV/°C eN Output noise voltage B = 10 Hz to 100 kHz, TJ = 25 °C 170 µV/VO SVR Supply voltage rejection VI = 28 to 38 V, f = 120 Hz 50 dB Vd Dropout voltage IO = 1 A, TJ = 25 °C 2 V RO Output resistance f = 1 kHz 28 mΩ Isc Short circuit current VI = 35 V, TJ = 25° C 0.15 A Iscp Short circuit peak current TJ = 25 °C 2.1 A 1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty cycle is used. Note: Minimum load current for regulation is 5 mA. L78 Electrical characteristics DS0422 - Rev 36 page 21/55

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6 Application information 6.1 Design consideration The L78 Series of fixed voltage regulators are designed with thermal overload protection that shuts down the circuit when subjected to an excessive power overload condition, internal short-circuit protection that limits the maximum current the circuit will pass, and output transistor safe-area compensation that reduces the output short- circuit current as the voltage across the pass transistor is increased. In many low current applications, compensation capacitors are not required. However, it is recommended that the regulator input be bypassed with capacitor if the regulator is connected to the power supply filter with long lengths, or if the output load capacitance is large. An input bypass capacitor should be selected to provide good high frequency characteristics to insure stable operation under all load conditions. A 0.33 µF or larger tantalum, mylar or other capacitor having low internal impedance at high frequencies should be chosen. The bypass capacitor should be mounted with the shortest possible leads directly across the regulators input terminals. Normally good construction techniques should be used to minimize ground loops and lead resistance drops since the regulator has no external sense lead. The addition of an operational amplifier allows adjustment to higher or intermediate values while retaining regulation characteristics. The minimum voltage obtained with the arrangement is 2 V greater than the regulator voltage. The circuit of Figure 14. High current voltage regulator can be modified to provide supply protection against short circuit by adding a short circuit sense resistor, RSC, and an additional PNP transistor. The current sensing PNP must be able to handle the short circuit current of the three terminal regulator Therefore a four ampere plastic power transistor is specified. Figure 9. Fixed output regulator GAMG220920161007MT 1. Although no output capacitor is need for stability, it does improve transient response. 2. Required if regulator is located an appreciable distance from power supply filter. L78 Application information DS0422 - Rev 36 page 22/55

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Figure 10. Current regulator IO = VXX/R1+Id GAMG220920161008MT Figure 11. Circuit for increasing output voltage IR1 5 Id VO = VXX(1+R 2 /R1)+ I dR2 ≥ GAMG220920161009MT Figure 12. Adjustable output regulator (7 to 30 V) GAMG220920161010MT L78 Design consideration DS0422 - Rev 36 page 23/55

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Figure 13. 0.5 to 10 V regulator VO=VXXR4/R1 GAMG220920161011MT Figure 14. High current voltage regulator R1 I O = I REG + Q1 (I REG _ V ____BEQ1_) VBEQ1R1 = ______________ I REQ-(I Q1/bQ1) GAMG220920161012MT Figure 15. High output current with short circuit protection RSC = VBEQ2/ISC GAMG220920161013MT L78 Design consideration DS0422 - Rev 36 page 24/55

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Figure 16. Tracking voltage regulator GAMG220920161014MT Figure 17. Split power supply (± 15 V - 1 A) GAMG220920161015MT Note: * Against potential latch-up problems. L78 Design consideration DS0422 - Rev 36 page 25/55

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Figure 18. Negative output voltage circuit GAMG220920161016MT Figure 19. Switching regulator GAMG220920161017MT Figure 20. High input voltage circuit (configuration 1) VIN = VI - (VZ + VBE) GAMG220920161018MT L78 Design consideration DS0422 - Rev 36 page 26/55

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Figure 21. High input voltage circuit (configuration 2) GAMG220920161019MT Figure 22. High input and output voltage VO = VXX + VZ1 GAMG220920161020MT Figure 23. Reducing power dissipation with dropping resistor V -V -V R = __ I(mi ___ n) ____ XX ___ DRO ____ P(max) ____ IO(max)+Id(max) GAMG220920161021MT L78 Design consideration DS0422 - Rev 36 page 27/55

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Figure 24. Remote shutdown GAMG220920161022MT Figure 25. Power AM modulator (unity voltage gain, IO ≤ 0.5) GAMG220920161023MT Note: The circuit performs well up to 100 kHz. Figure 26. Adjustable output voltage with temperature compensation VO = VXX (1+R2/R1) + VBE GAMG220920161024MT Note: Q2 is connected as a diode in order to compensate the variation of the Q1 VBE with the temperature. C allows a slow rise time of the VO. L78 Design consideration DS0422 - Rev 36 page 28/55

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Figure 27. Light controllers (VO(min) = VXX + VBE) VO rises when the light goes upVO falls when the light goes up GAMG220920161025MT Figure 28. Protection against input short-circuit with high capacitance loads GAMG220920161026MT Note: Application with high capacitance loads and an output voltage greater than 6 volts need an external diode (see Figure 23. Reducing power dissipation with dropping resistor) to protect the device against input short circuit. In this case the input voltage falls rapidly while the output voltage decrease slowly. The capacitance discharges by means of the base-emitter junction of the series pass transistor in the regulator. If the energy is sufficiently high, the transistor may be destroyed. The external diode by-passes the current from the IC to ground. L78 Design consideration DS0422 - Rev 36 page 29/55

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7 Typical performance Figure 29. Dropout voltage vs junction temperature VI-Vo (V) -75 2 -50 -25 0 25 50 75 100 125 Tj (°C) L78XX GAMG200920161325MT 0 1.5 1 0.5 IO = 1 A I = 500 mA I = 200 mA I = 20 mAI = 0 mA ∆VO = 5% of VO DROPOUT CONDITIONS O O O O Figure 30. Peak output current vs input/output differential voltage Io(A) 0 2.5 2 5 10 15 20 25 Vi-VO (V) L7805 GAMG200920161324MT 1.5 1 0.5 Tj = 55 °C Tj = 0 °C Tj = 125 °CTj = 150 °C Tj = 25 °C Figure 31. Supply voltage rejection vs frequency Vi = 8 V to 18 V Vo = 5 V Tj = 25 °C Io = 500 mA L7805 SVR (dB) 20 0 10 102 103 104 f (Hz) GAMG200920161322MT 40 60 80 Figure 32. Output voltage vs junction temperature Vo (V) -75 12.1 12.0 -50 -25 0 25 50 75 100 125 Tj (°C) Vi = 19 V Vo = 12 V Io = 20 mA L7812 GAMG200920161323MT 11.9 11.8 L78 Typical performance DS0422 - Rev 36 page 30/55

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Figure 33. Output impedance vs frequency Vi = 10 V Vo = 5 V Tamb = 25 °C CL = 0 µF L7805 Io = 20 mA Io = 500 mA Zo (Ω) 10 1 10-1 10-2 10 102 103 104 105 f (Hz) GAMG200920161320MT Figure 34. Quiescent current vs junction temp. Id (mA) -75 4.4 4.2 4.0 3.8 3.6 -50 -25 0 25 50 75 100 125 Tj (°C) Vi = 10 V Vo = 5 V Io = 500 mA L7805 GAMG200920161321MT Figure 35. Load transient response ∆Vo (V) 0 1 10 20 30 40 T (µs) Vi = 10 V Vo = 5 V L7805 GAMG200920161326MT 0 -1 LOAD CURRENT AUTPUT VOLTAGE DEVIATION 50 Figure 36. Line transient response ∆Vo (mV) 0 2 4 6 8 T (µs) IO = 500 mA Vo = 5 V L7805 GAMG200920161328MT 0 -20 OUTPUT VOLTAGE DEVIATION 10 -10 10 20 Vi (V) 15 10 5 0 INPUT VOLTAGE Figure 37. Quiescent current vs. input voltage Id(mA) 5 10 15 20 25 Vi (V) VO = 5 V Io = 20 mA L7805 GAMG200920161329MT 3.0 30 4.0 5.0 Tj = 25 °C L78 Typical performance DS0422 - Rev 36 page 31/55

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8 Package information In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK® packages, depending on their level of environmental compliance. ECOPACK® specifications, grade definitions and product status are available at: www.st.com. ECOPACK® is an ST trademark. L78 Package information DS0422 - Rev 36 page 32/55

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8.1 TO-220 (dual gauge) package information Figure 38. TO-220 (dual gauge) package outline 0015988_21_Type A L78 TO-220 (dual gauge) package information DS0422 - Rev 36 page 33/55

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Table 19. TO-220 (dual gauge) mechanical data Dim. mm Min. Typ. Max. A 4.40 4.60 b 0.61 0.88 b1 1.14 1.70 c 0.48 0.70 D 15.25 15.75 D1 1.27 E 10 10.40 e 2.40 2.70 e1 4.95 5.15 F 1.23 1.32 H1 6.20 6.60 J1 2.40 2.72 L 13 14 L1 3.50 3.93 L20 16.40 L30 28.90 ∅P 3.75 3.85 Q 2.65 2.95 L78 TO-220 (dual gauge) package information DS0422 - Rev 36 page 34/55

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8.2 TO-220 (single gauge) package information Figure 39. TO-220 (single gauge) package outline 8174627_5 L78 TO-220 (single gauge) package information DS0422 - Rev 36 page 35/55

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Table 20. TO-220 (single gauge) mechanical data Dim. mm Min. Typ. Max. A 4.40 4.60 b 0.61 0.88 b1 1.14 1.70 c 0.48 0.70 D 15.25 15.75 E 10.00 10.40 e 2.40 2.70 e1 4.95 5.15 F 0.51 0.60 H1 6.20 6.60 J1 2.40 2.72 L 13.00 14.00 L1 3.50 3.93 L20 16.40 L30 28.90 ∅P 3.75 3.85 Q 2.65 2.95 L78 TO-220 (single gauge) package information DS0422 - Rev 36 page 36/55

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8.3 TO-220FP type A package information Figure 40. TO-220FP package outline 7012510_type_A L78 TO-220FP type A package information DS0422 - Rev 36 page 37/55

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Table 21. TO-220FP package mechanical data Dim. mm Min. Typ. Max. A 4.4 4.6 B 2.5 2.7 D 2.5 2.75 E 0.45 0.7 F 0.75 1 F1 1.15 1.70 F2 1.15 1.70 G 4.95 5.2 G1 2.4 2.7 H 10 10.4 L2 16 L3 28.6 30.6 L4 9.8 10.6 L5 2.9 3.6 L6 15.9 16.4 L7 9 9.3 Dia 3 3.2 8.4 TO-220 (single/dual) packing information Figure 41. Tube for TO-220 (dual gauge) (mm.) L78 TO-220 (single/dual) packing information DS0422 - Rev 36 page 38/55

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Figure 42. Tube for TO-220 (single gauge) (mm.) 8.5 DPAK package information Figure 43. DPAK package outline 0068772_A_21 L78 DPAK package information DS0422 - Rev 36 page 39/55

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Table 22. DPAK mechanical data Dim. mm Min. Typ. Max. A 2.20 2.40 A1 0.90 1.10 A2 0.03 0.23 b 0.64 0.90 b4 5.20 5.40 c 0.45 0.60 c2 0.48 0.60 D 6.00 6.20 D1 5.10 E 6.40 6.60 E1 4.70 e 2.28 e1 4.40 4.60 H 9.35 10.10 L 1.00 1.50 (L1) 2.80 L2 0.80 L4 0.60 1.00 R 0.20 V2 0° 8° L78 DPAK package information DS0422 - Rev 36 page 40/55

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Figure 44. DPAK recommended footprint (dimensions are in mm) Footprint_0068772 L78 DPAK package information DS0422 - Rev 36 page 41/55

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8.6 D²PAK (SMD 2L STD-ST) type A package information Figure 45. D²PAK (SMD 2L STD-ST) type A package outline 0079457_22_type A L78 D²PAK (SMD 2L STD-ST) type A package information DS0422 - Rev 36 page 42/55

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Table 23. D²PAK (SMD 2L STD-ST) mechanical data Dim. mm Min. Typ. Max. A 4.40 4.60 A1 0.03 0.23 b 0.70 0.93 b2 1.14 1.70 c 0.45 0.60 c2 1.23 1.36 D 8.95 9.35 D1 7.50 7.75 8.00 D2 1.10 1.30 1.50 E 10 10.40 E1 8.50 8.70 8.90 E2 6.85 7.05 7.25 e 2.54 e1 4.88 5.28 H 15 15.85 J1 2.49 2.69 L 2.29 2.79 L1 1.27 1.40 L2 1.30 1.75 R 0.4 V2 0° 8° L78 D²PAK (SMD 2L STD-ST) type A package information DS0422 - Rev 36 page 43/55

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8.7 D²PAK (ASE) type B package information Figure 46. D²PAK (ASE subcon) type B package outline 0079457_23_type B L78 D²PAK (ASE) type B package information DS0422 - Rev 36 page 44/55

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Table 24. D²PAK (ASE) type B mechanical data Dim. mm Min. Typ. Max. A 4.36 4.56 A1 0 0.25 b 0.70 0.90 b1 0.51 0.89 b2 1.17 1.37 b3 1.36 1.46 c 0.38 0.694 c1 0.38 0.534 c2 1.19 1.34 D 8.60 9.00 D1 6.90 7.50 E 10.15 10.55 E1 8.10 8.70 e 2.54 H 15.00 15.60 L 1.90 2.50 L1 1.65 L2 1.78 L3 0.25 L4 4.78 5.28 L78 D²PAK (ASE) type B package information DS0422 - Rev 36 page 45/55

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Figure 47. D²PAK recommended footprint (dimensions are in mm) Footprint_0079457 L78 D²PAK (ASE) type B package information DS0422 - Rev 36 page 46/55

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8.8 D²PAK and DPAK packing information Figure 48. Tape outline L78 D²PAK and DPAK packing information DS0422 - Rev 36 page 47/55

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Figure 49. Reel outline A D B Full radius Tape slot in core for tape start 2.5mm min.width G measured at hub C N 40mm min. access hole at slot location T AM06038v1 Table 25. D²PAK tape and reel mechanical data Tape Reel Dim. mm Dim. mm Min. Max. Min. Max. A0 10.5 10.7 A 330 B0 15.7 15.9 B 1.5 D 1.5 1.6 C 12.8 13.2 D1 1.59 1.61 D 20.2 E 1.65 1.85 G 24.4 26.4 F 11.4 11.6 N 100 K0 4.8 5.0 T 30.4 P0 3.9 4.1 P1 11.9 12.1 Base quantity 1000 P2 1.9 2.1 Bulk quantity 1000 R 50 T 0.25 0.35 W 23.7 24.3 L78 D²PAK and DPAK packing information DS0422 - Rev 36 page 48/55

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Table 26. DPAK tape and reel mechanical data Tape Reel Dim. mm Dim. mm Min. Max. Min. Max. A0 6.8 7 A 330 B0 10.4 10.6 B 1.5 B1 12.1 C 12.8 13.2 D 1.5 1.6 D 20.2 D1 1.5 G 16.4 18.4 E 1.65 1.85 N 50 F 7.4 7.6 T 22.4 K0 2.55 2.75 P0 3.9 4.1 Base qty. 2500 P1 7.9 8.1 Bulk qty. 2500 P2 1.9 2.1 R 40 T 0.25 0.35 W 15.7 16.3 L78 D²PAK and DPAK packing information DS0422 - Rev 36 page 49/55

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9 Ordering information Table 27. Order codes Part number Order codes TO-220 (single gauge) TO-220 (dual gauge) DPAK D²PAK TO-220FP Output voltages L7805C L7805CV L7805CV-DG L7805CDT-TR L7805CD2T-TR L7805CP 5 V L7805AB L7805ABV L7805ABV-DG L7805ABD2T-TR L7805ABP 5 V L7805AC L7805ACV L7805ACV-DG L7805ACD2T-TR L7805ACP 5 V L7806C L7806CV L7806CV-DG L7806CD2T-TR 6 V L7806AB L7806ABV L7806ABV-DG L7806ABD2T-TR 6 V L7806AC L7806ACV L7806ACV-DG 6 V L7808C L7808CV L7808CV-DG L7808CD2T-TR 8 V L7808AB L7808ABV L7808ABV-DG L7808ABD2T-TR 8 V L7808AC L7808ACV L7808ACV-DG 8 V L7885C L7885CV 8.5 V L7809C L7809CV L7809CV-DG L7809CD2T-TR L7809CP 9 V L7809AB L7809ABV L7809ABV-DG L7809ABD2T-TR 9 V L7809AC L7809ACV 9 V L7812C L7812CV L7812CV-DG L7812CD2T-TR L7812CP 12 V L7812AB L7812ABV L7812ABV-DG L7812ABD2T-TR 12 V L7812AC L7812ACV L7812ACV-DG L7812ACD2T-TR 12 V L7815C L7815CV L7815CV-DG L7815CD2T-TR L7815CP 15 V L7815AB L7815ABV L7815ABV-DG L7815ABD2T-TR 15 V L7815AC L7815ACV L7815ACV-DG L7815ACD2T-TR 15 V L7818C L7818CV L7818CV-DG 18 V L7824C L7824CV L7824CV-DG L7824CD2T-TR L7824CP 24 V L7824AB L7824ABV L7824ABV-DG 24 V L7824AC L7824ACV L7824ACV-DG 24 V L78 Ordering information DS0422 - Rev 36 page 50/55

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Revision history Table 28. Document revision history Date Revision Changes 21-Jun-2004 12 Document updating. 03-Aug-2006 13 Order codes has been updated and new template. 19-Jan-2007 14 D²PAK mechanical data has been updated and add footprint data. 31-May-2007 15 Order codes has been updated. 29-Aug-2007 16 Added Table 1 in cover page. 11-Dec-2007 17 Modified: Table 27. 06-Feb-2008 18 Added: TO-220 mechanical data Figure 38 on page 38 , Figure 39 on page 39, and Table 23 on page 37. Modified: Table 27 on page 58. 18-Mar-2008 19 Added: Table 29: DPAK mechanical data on page 50, Table 30: Tape and reel DPAK mechanical data on page 52. Modified: Table 27 on page 58. 26-Jan-2010 20 Modified Table 1 on page 1 and Table 23 on page 37, added: Figure 38 on page 38 and Figure 39 on page 39, Figure 40 on page 45 and Figure 41 on page 45. 04-Mar-2010 21 Added notes Figure 38 on page 38. 08-Sep-2010 22 Modified Table 27 on page 58. 23-Nov-2010 23 Added: TJ = 25 °C test condition in DVO on Table 3, 4, 5, 6, 7, 8 and Table 9. 16-Sep-2011 24 Modified title on page 1. 30-Nov-2011 25 Added: order codes L7805CV-DG, L7806CV-DG, L7808ABV-DG, L7812CV-DG and L7815CV-DG Table 27 on page 58. 08-Feb-2012 26 Added: order codes L7805ACV-DG, L7805ABV-DG, L7806ABV-DG, L7808CV-DG, L7809CV-DG, L7812ACV-DG, L7818CV-DG, L7824CV-DG Table 27 on page 58. 27-Mar-2012 27 Added: order codes L7812ABV-DG, L7815ABV-DG Table 27 on page 58. 27-Apr-2012 28 Modified: VI = 10.4 to 23 V ==> VI = 11.4 to 23 V test conditon value Line regulation Table 6 on page 13. 10-May-2012 29 Added: order codes L7806ACV-DG, L7808ACV-DG, L7815ACV-DG, L7824ABV-DG and L7824ACV-DG Table 27 on page 58. 19-Sep-2012 30 Modified load regulation units from V to mV in Table 3 to Table 9. 12-Mar-2013 31 Modified: VO output voltage at 25 °C min. value 14.4 V Table 16 on page 23. 04-Mar-2014 32 Part numbers L78xx, L78xxC, L78xxAB, L78xxAC changed to L78. Removed TO-3 package. Updated the description in cover page, Section 2: Pin configuration, Section 3: Maximum ratings, Section 4: Test circuits, Section 5: Electrical characteristics, Section 6: Application information, Section 8: Package information and Table 27: Order codes. Added Section 9: Packaging mechanical data. Minor text changes. 26-Feb-2016 33 Updated Section 8: Package information. Minor text changes. 28-Nov-2016 34 Updated Section 9: "Ordering information". Minor text changes. 25-May-2018 35 Updated D²PAK package Section 8.7 D²PAK (ASE) type B package information. 17-Sep-2018 36 Updated Figure 29. Dropout voltage vs junction temperature. L78 DS0422 - Rev 36 page 51/55

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Contents 1 Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 2 Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 3 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 4 Test circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 5 Electrical characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 6 Application information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22 6.1 Design consideration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 7 Typical performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30 8 Package information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32 8.1 TO-220 (dual gauge) package information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 8.2 TO-220 (single gauge) package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 8.3 TO-220FP package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 8.4 TO-220 packing information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 8.5 DPAK package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 8.6 D²PAK (SMD 2L STD-ST) type A package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 8.7 D²PAK (ASE subcon) type B package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 8.8 D²PAK and DPAK packing information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 9 Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52 List of tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53 List of figures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54 L78 Contents DS0422 - Rev 36 page 52/55

Page 54

List of tables Table 1. Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Table 2. Thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Table 3. Electrical characteristics of L7805A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Table 4. Electrical characteristics of L7806A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Table 5. Electrical characteristics of L7808A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Table 6. Electrical characteristics of L7809A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Table 7. Electrical characteristics of L7812A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Table 8. Electrical characteristics of L7815A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Table 9. Electrical characteristics of L7824A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Table 10. Electrical characteristics of L7805C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Table 11. Electrical characteristics of L7806C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Table 12. Electrical characteristics of L7808C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Table 13. Electrical characteristics of L7885C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Table 14. Electrical characteristics of L7809C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Table 15. Electrical characteristics of L7812C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Table 16. Electrical characteristics of L7815C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Table 17. Electrical characteristics of L7818C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Table 18. Electrical characteristics of L7824C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Table 19. TO-220 (dual gauge) mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Table 20. TO-220 (single gauge) mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Table 21. TO-220FP package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 Table 22. DPAK mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 Table 23. D²PAK (SMD 2L STD-ST) mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 Table 24. D²PAK (ASE) type B mechanical data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 Table 25. D²PAK tape and reel mechanical data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 Table 26. DPAK tape and reel mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 Table 27. Order codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 Table 28. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 L78 List of tables DS0422 - Rev 36 page 53/55

Page 55

List of figures Figure 2. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Figure 3. Pin connections (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Figure 4. Schematic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Figure 5. Application circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Figure 6. DC parameter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Figure 7. Load regulation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Figure 8. Ripple rejection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Figure 9. Fixed output regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Figure 10. Current regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Figure 11. Circuit for increasing output voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Figure 12. Adjustable output regulator (7 to 30 V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Figure 13. 0.5 to 10 V regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Figure 14. High current voltage regulator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Figure 15. High output current with short circuit protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Figure 16. Tracking voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Figure 17. Split power supply (± 15 V - 1 A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Figure 18. Negative output voltage circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Figure 19. Switching regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Figure 20. High input voltage circuit (configuration 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Figure 21. High input voltage circuit (configuration 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Figure 22. High input and output voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Figure 23. Reducing power dissipation with dropping resistor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Figure 24. Remote shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Figure 25. Power AM modulator (unity voltage gain, IO ≤ 0.5). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Figure 26. Adjustable output voltage with temperature compensation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Figure 27. Light controllers (VO(min) = VXX + VBE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Figure 28. Protection against input short-circuit with high capacitance loads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Figure 29. Dropout voltage vs junction temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Figure 30. Peak output current vs input/output differential voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Figure 31. Supply voltage rejection vs frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Figure 32. Output voltage vs junction temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Figure 33. Output impedance vs frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Figure 34. Quiescent current vs junction temp.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Figure 35. Load transient response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Figure 36. Line transient response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Figure 37. Quiescent current vs. input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Figure 38. TO-220 (dual gauge) package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Figure 39. TO-220 (single gauge) package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Figure 40. TO-220FP package outline. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Figure 41. Tube for TO-220 (dual gauge) (mm.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 Figure 42. Tube for TO-220 (single gauge) (mm.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Figure 43. DPAK package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Figure 44. DPAK recommended footprint (dimensions are in mm). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Figure 45. D²PAK (SMD 2L STD-ST) type A package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Figure 46. D²PAK (ASE subcon) type B package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 Figure 47. D²PAK recommended footprint (dimensions are in mm) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 Figure 48. Tape outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 Figure 49. Reel outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 L78 List of figures DS0422 - Rev 36 page 54/55

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