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L78S24CV

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L78S24CV

For Reference Only

Part Number L78S24CV
Manufacturer STMicroelectronics
Description IC REG LINEAR 24V 2A TO220AB
Datasheet L78S24CV Datasheet
Package TO-220-3
In Stock 12,526 piece(s)
Unit Price $ 0.6800 *
Lead Time Can Ship Immediately
Estimated Delivery Time Sep 27 - Oct 2 (Choose Expedited Shipping)
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Part Number # L78S24CV (PMIC - Voltage Regulators - Linear) is manufactured by STMicroelectronics and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

For L78S24CV specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add L78S24CV with quantity into BOM. Heisener.com does NOT require any registration to request a quote of L78S24CV.

L78S24CV Specifications

ManufacturerSTMicroelectronics
CategoryIntegrated Circuits (ICs) - PMIC - Voltage Regulators - Linear
Datasheet L78S24CVDatasheet
PackageTO-220-3
Series-
Output ConfigurationPositive
Output TypeFixed
Number of Regulators1
Voltage - Input (Max)40V
Voltage - Output (Min/Fixed)24V
Voltage - Output (Max)-
Voltage Dropout (Max)-
Current - Output2A
Current - Quiescent (Iq)-
Current - Supply (Max)8mA
PSRR42dB (120Hz)
Control Features-
Protection FeaturesOver Current, Over Temperature, Short Circuit
Operating Temperature0°C ~ 150°C
Mounting TypeThrough Hole
Package / CaseTO-220-3
Supplier Device PackageTO-220AB

L78S24CV Datasheet

Page 1

Page 2

This is information on a product in full production. March 2014 DocID2148 Rev 8 1/35 L78S 2 A positive voltage regulator IC Datasheet - production data Features • Output current up to 2 A • Output voltages of 5; 7.5; 9; 10; 12; 15; 18; 24 V • Thermal protection • Short circuit protection • Output transition SOA protection Description The L78S series of three-terminal positive regulators is available in TO-220 package 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 2 A output current. Although designed primarily as fixed voltage regulators, these devices can be used with external components to obtain adjustable voltages and currents. TO-220 Table 1. Device summary Part numbers TO-220 packages Output voltage Dual gauge Single gauge L78S05C L78S05CV-DG L78S05CV 5 V L78S75C L78S75CV-DG L78S75CV 7.5 V L78S09C L78S09CV-DG L78S09CV 9 V L78S10C L78S10CV-DG L78S10CV 10 V L78S12C L78S12CV-DG L78S12CV 12 V L78S15C L78S15CV-DG L78S15CV 15 V L78S18C L78S18CV 18 V L78S24C L78S24CV 24 V www.st.com

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Contents L78S 2/35 DocID2148 Rev 8 Contents 1 Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2 Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 3 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 4 Test circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 5 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 6 Typical performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 7 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 8 Packaging mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 9 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Page 4

DocID2148 Rev 8 3/35 L78S List of tables 35 List of tables Table 1. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Table 2. Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Table 3. Thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Table 4. Electrical characteristics of L78S05C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Table 5. Electrical characteristics of L78S75C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Table 6. Electrical characteristics of L78S09C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Table 7. Electrical characteristics of L78S10C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Table 8. Electrical characteristics of L78S12C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Table 9. Electrical characteristics of L78S15C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Table 10. Electrical characteristics of L78S18C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Table 11. Electrical characteristics of L78S24C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Table 12. TO-220 (dual gauge) mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Table 13. TO-220 SG (single gauge) mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Table 14. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

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List of figures L78S 4/35 DocID2148 Rev 8 List of figures Figure 1. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Figure 2. Pin connections (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Figure 3. Schematic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Figure 4. Application circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Figure 5. DC parameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Figure 6. Load regulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Figure 7. Ripple rejection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Figure 8. Dropout voltage vs. junction temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Figure 9. Peak output current vs. input/output differential voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Figure 10. Output impedance vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Figure 11. Output voltage vs. junction temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Figure 12. Supply voltage rejection vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 13. Quiescent current vs. junction temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 14. Load transient response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 15. Line transient response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 16. Quiescent current vs. input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 17. Fixed output regulator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Figure 18. Constant current regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Figure 19. Circuit for increasing output voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Figure 20. Adjustable output regulator (7 to 30 V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Figure 21. 0.5 to 10 V regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Figure 22. High current voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Figure 23. High output current with short circuit protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Figure 24. Tracking voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Figure 25. Positive and negative regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Figure 26. Negative output voltage circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Figure 27. Switching regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Figure 28. High input voltage circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Figure 29. High input voltage circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Figure 30. High output voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Figure 31. High input and output voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Figure 32. Reducing power dissipation with dropping resistor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Figure 33. Remote shutdown. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Figure 34. Power AM modulator (unity voltage gain, IO £ 1 A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Figure 35. Adjustable output voltage with temperature compensation . . . . . . . . . . . . . . . . . . . . . . . . 26 Figure 36. Light controllers (VOmin = VXX + VBE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Figure 37. Protection against input short-circuit with high capacitance loads . . . . . . . . . . . . . . . . . . . 27 Figure 38. TO-220 (dual gauge) drawing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Figure 39. TO-220 SG (single gauge) drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Figure 40. Tube for TO-220 (dual gauge) (mm.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Figure 41. Tube for TO-220 (single gauge) (mm.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Page 6

DocID2148 Rev 8 5/35 L78S Diagram 35 1 Diagram Figure 1. Block diagram

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Pin configuration L78S 6/35 DocID2148 Rev 8 2 Pin configuration Figure 2. Pin connections (top view) Figure 3. Schematic diagram

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DocID2148 Rev 8 7/35 L78S Maximum ratings 35 3 Maximum ratings 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. Absolute maximum ratings Symbol Parameter Value Unit VI DC input voltage for VO= 5 to 18V 35 V for VO= 24V 40 IO Output current Internally limited PD Power dissipation Internally limited TSTG Storage temperature range -65 to 150 °C TOP Operating junction temperature range 0 to 150 °C Table 3. Thermal data Symbol Parameter TO-220 Unit RthJC Thermal resistance junction-case 5 °C/W RthJA Thermal resistance junction-ambient 50 °C/W Figure 4. Application circuits

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Test circuits L78S 8/35 DocID2148 Rev 8 4 Test circuits Figure 5. DC parameter Figure 6. Load regulation Figure 7. Ripple rejection

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DocID2148 Rev 8 9/35 L78S Electrical characteristics 35 5 Electrical characteristics Refer to the test circuits, TJ = 25 °C, VI = 10 V, IO = 500 mA, unless otherwise specified. Table 4. Electrical characteristics of L78S05C Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage 4.8 5 5.2 V VO Output voltage IO = 1 A, VI = 7 V 4.75 5 5.25 V ΔVO Line regulation VI = 7 to 25 V 100 mV VI = 8 to 25 V 50 ΔVO Load regulation IO = 20 mA to 1.5 A 100 mV IO = 2 A 80 IQ Quiescent current 8 mA ΔIQ Quiescent current change IO = 20 mA to 1 A 0.5 mA VI = 7 to 25 V, IO = 20 mA 1.3 ΔVO/ΔT Output voltage drift IO = 5 mA, TJ = 0 °C to 70 °C -1.1 mV/°C eN Output noise voltage B = 10 Hz to 100 kHz 40 µV SVR Supply voltage rejection f = 120 Hz 54(1) dB VI Operating input voltage IO ≤ 1 A 8 V RO Output resistance f = 1 kHz 17 mΩ Isc Short circuit current VI = 27 V 500 mA Iscp Short circuit peak current 3 A 1. Guaranteed by design.

L78S24CV Reviews

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Abdi*****atrick

August 14, 2020

Thousands of in stock parts with low cost shipping and standard quality.

Anna*****e Toor

July 31, 2020

Perfect! Nice components, professional service!

Amiya*****lalobos

July 30, 2020

This product works great what more can I say.

Uria*****mpbell

July 26, 2020

It gives you a good quality product, with a great variety.. I will for sure order this set again when i start to run low

Jose*****Cobb

July 23, 2020

They work great and I hope to find more used for the extra ones.

Beatr*****hadha

July 23, 2020

Used this on starter solenoid and works as expected.

Lea*****utala

July 16, 2020

EXACTLY what I was looking for -- one piece with a low forward voltage drop to isolate some DC power sources. They work fantastic!

Guada*****Dickson

July 13, 2020

Heisener parametric search for specific components is by far better than their competitors.

Juli***** Lopez

July 13, 2020

Works just like the original one and even has the correct connectors installed.

Cha*****West

July 4, 2020

quick delivery, received with well packaged, exactly as listed - Thanks

L78S24CV Guarantees

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We guarantee 100% customer satisfaction.

Our experienced sales team and tech support team back our services to satisfy all our customers.

Quality Guarantee

Quality Guarantees

We provide 90 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

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