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LF35ABDT-TR

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LF35ABDT-TR

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Part Number LF35ABDT-TR
Manufacturer STMicroelectronics
Description IC REG LINEAR 3.5V 500MA DPAK
Datasheet LF35ABDT-TR Datasheet
Package TO-252-3, DPak (2 Leads + Tab), SC-63
In Stock 1,447 piece(s)
Unit Price Request a Quote
Lead Time Can Ship Immediately
Estimated Delivery Time Dec 4 - Dec 9 (Choose Expedited Shipping)
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Part Number # LF35ABDT-TR (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.

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LF35ABDT-TR Specifications

ManufacturerSTMicroelectronics
CategoryIntegrated Circuits (ICs) - PMIC - Voltage Regulators - Linear
Datasheet LF35ABDT-TRDatasheet
PackageTO-252-3, DPak (2 Leads + Tab), SC-63
Series-
Output ConfigurationPositive
Output TypeFixed
Number of Regulators1
Voltage - Input (Max)16V
Voltage - Output (Min/Fixed)3.5V
Voltage - Output (Max)-
Voltage Dropout (Max)0.7V @ 500mA
Current - Output500mA
Current - Quiescent (Iq)-
Current - Supply (Max)1mA ~ 12mA
PSRR79dB ~ 60dB (120Hz ~ 10kHz)
Control Features-
Protection FeaturesOver Current, Over Temperature
Operating Temperature-40°C ~ 125°C
Mounting TypeSurface Mount
Package / CaseTO-252-3, DPak (2 Leads + Tab), SC-63
Supplier Device PackageD-Pak

LF35ABDT-TR Datasheet

Page 1

Page 2

May 2007 Rev. 17 1/46 46 LF00 series Very low drop voltage regulators with inhibit Features ■ Very low dropout voltage (0.45V) ■ Very low quiescent current (TYP. 50 µA in OFF mode, 500 µA in ON mode) ■ Output current up to 500 mA ■ Logic-controlled electronic shutdown ■ Output voltages of 1.5; 1.8; 2.5; 2.7; 3; 3.3; 3.5; 4; 5; 6; 8; 8.5; 9; 12V ■ Internal current and thermal limit ■ Only 2.2 µF for stability ■ Available in ± 1% (AB) or ± 2% (C) selection at 25°C ■ Supply voltage rejection: 80db (typ.) ■ Temperature range: -40 to 125°C Description The LF00 series are very Low Drop regulators available in PENTAWATT, TO-220, TO-220FP, DPAK and PPAK package and in a wide range of output voltages. The very Low Drop voltage (0.45V) and the very low quiescent current make them particularly suitable for Low Noise, Low Power applications and specially in battery powered systems. In the 5 pins configuration (PENTAWATT and PPAK) a Shutdown Logic Control function is available (pin 2, TTL compatible). This means that when the device is used as a local regulator, it is possible to put a part of the board in standby, decreasing the total power consumption. In the three terminal configuration the device has the same electrical performance, but is fixed in the ON state. It requires only a 2.2 µF capacitor for stability allowing space and cost saving. TO-220FP PENTAWATT TO-220 DPAKPPAK www.st.com Schematic diagram

Page 3

LF00 series 2/46 Contents 1 Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 Typical performance characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 5 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 6 Order code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 7 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Page 4

LF00 series Pin configuration 3/46 1 Pin configuration Figure 1. Pin connections (top view) TO-220FP DPAK TO-220 PPAK PENTAWATT

Page 5

Maximum ratings LF00 series 4/46 2 Maximum ratings Table 1. Absolute maximum ratings Symbol Parameter Value Unit VI DC Input Voltage -0.5 to 40 (1) 1. For 18 < VI < 40 the regulator is in shut-down V IO Output Current Internally Limited PTOT Power Dissipation Internally Limited TSTG Storage Temperature Range -40 to 150 °C TOP Operating Junction Temperature Range -40 to 125 °C Table 2. Thermal data Symbol Parameter PENTAWATT TO-220 TO-220FP DPAK/PPAK Unit RthJC Thermal resistance junction-case 3 3 5 8 °C/W RthJA Thermal resistance junction-ambient 50 50 60 100 °C/W Figure 2. Test circuit

Page 6

LF00 series Electrical characteristics 5/46 3 Electrical characteristics Table 3. Electrical characteristics for LF15AB (refer to the test circuits, TJ = 25°C, CI = 0.1 µF, CO = 2.2 μF unless otherwise specified.) Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage IO = 50 mA, VI = 3.5 V 1.485 1.5 1.515 V IO = 50 mA, VI = 3.5 V, Ta = -25 to 85°C 1.470 1.530 VI Operating input voltage IO = 500 mA 2.5 16 V IO Output current limit 1 A ΔVO Line regulation VI = 2.5 to 16 V, IO = 5 mA 2 10 mV ΔVO Load regulation VI = 2.8 V, IO = 5 to 500 mA 2 10 mV Id Quiescent current VI = 2.5 to 16V, IO = 0mA ON MODE 0.5 1 mA VI = 2.8 to 16V, IO=500mA 12 VI = 6 V OFF MODE 50 100 µA SVR Supply voltage rejection IO = 5 mA, VI = 3.5 ± 1 V f = 120 Hz 82 dBf = 1 KHz 77 f = 10 KHz 65 eN Output noise voltage B = 10 Hz to 100 KHz 50 µV Vd Dropout voltage IO = 200 mA 1 V VIL Control input logic low Ta = -40 to 125°C 0.8 V VIH Control input logic high Ta = -40 to 125°C 2 V II Control input current VI = 6 V, VC = 6 V 10 µA CO Output bypass capacitance ESR = 0.1 to 10 Ω, IO = 0 to 500 mA 2 10 µF

Page 7

Electrical characteristics LF00 series 6/46 Table 4. Electrical characteristics for LF15C (refer to the test circuits, TJ = 25°C, CI = 0.1 µF, CO = 2.2 μF unless otherwise specified.) Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage IO = 50 mA, VI = 3.5 V 1.47 1.5 1.53 V IO = 50 mA, VI = 3.5 V, Ta = -25 to 85°C 1.44 1.56 VI Operating input voltage IO = 500 mA 2.5 16 V IO Output current limit 1 A ΔVO Line regulation VI = 2.5 to 16 V, IO = 5 mA 2 10 mV ΔVO Load regulation VI = 2.8 V, IO = 5 to 500 mA 2 10 mV Id Quiescent current VI = 2.5 to 16V, IO = 0mA ON MODE 0.5 1 mA VI = 2.8 to 16V, IO=500mA 12 VI = 6 V OFF MODE 50 100 µA SVR Supply voltage rejection IO = 5 mA, VI = 3.5 ± 1 V f = 120 Hz 82 dBf = 1 KHz 77 f = 10 KHz 65 eN Output noise voltage B = 10 Hz to 100 KHz 50 µV Vd Dropout voltage IO = 200 mA 1 V VIL Control input logic low Ta = -40 to 125°C 0.8 V VIH Control input logic high Ta = -40 to 125°C 2 V II Control input current VI = 6 V, VC = 6 V 10 µA CO Output bypass capacitance ESR = 0.1 to 10 Ω, IO = 0 to 500 mA 2 10 µF

Page 8

LF00 series Electrical characteristics 7/46 Table 5. Electrical characteristics for LF18AB (refer to the test circuits, TJ = 25°C, CI = 0.1 µF, CO = 2.2 μF unless otherwise specified.) Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage IO = 50 mA, VI = 3.3 V 1.782 1.8 1.818 V IO = 50 mA, VI = 3.3 V, Ta = -25 to 85°C 1.764 1.836 VI Operating input voltage IO = 500 mA 3 16 V IO Output current limit 1 A ΔVO Line regulation VI = 2.8 to 16 V, IO = 5 mA 2 12 mV ΔVO Load regulation VI = 3.3 V, IO = 5 to 500 mA 2 10 mV Id Quiescent current VI = 2.5 to 16V, IO = 0mA ON MODE 0.5 1 mA VI = 3.1 to 16V, IO=500mA 12 VI = 6 V OFF MODE 50 100 µA SVR Supply voltage rejection IO = 5 mA, VI = 3.5 ± 1 V f = 120 Hz 82 dBf = 1 KHz 77 f = 10 KHz 60 eN Output noise voltage B = 10 Hz to 100 KHz 50 µV Vd Dropout voltage IO = 200 mA 0.7 V VIL Control input logic low Ta = -40 to 125°C 0.8 V VIH Control input logic high Ta = -40 to 125°C 2 V II Control input current VI = 6 V, VC = 6 V 10 µA CO Output bypass capacitance ESR = 0.1 to 10 Ω, IO = 0 to 500 mA 2 10 µF

Page 9

Electrical characteristics LF00 series 8/46 Table 6. Electrical characteristics for LF18C (refer to the test circuits, TJ = 25°C, CI = 0.1 µF, CO = 2.2 μF unless otherwise specified.) Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage IO = 50 mA, VI = 3.5 V 1.764 1.8 1.836 V IO = 50 mA, VI = 3.5 V, Ta = -25 to 85°C 1.728 1.872 VI Operating input voltage IO = 500 mA 3 16 V IO Output current limit 1 A ΔVO Line regulation VI = 2.8 to 16 V, IO = 5 mA 2 12 mV ΔVO Load regulation VI = 3.3 V, IO = 5 to 500 mA 2 10 mV Id Quiescent current VI = 2.5 to 16V, IO = 0mA ON MODE 0.5 1 mA VI = 3.1 to 16V, IO=500mA 12 VI = 6 V OFF MODE 50 100 µA SVR Supply voltage rejection IO = 5 mA, VI = 3.5 ± 1 V f = 120 Hz 82 dBf = 1 KHz 77 f = 10 KHz 60 eN Output noise voltage B = 10 Hz to 100 KHz 50 µV Vd Dropout voltage IO = 200 mA 0.7 V VIL Control input logic low Ta = -40 to 125°C 0.8 V VIH Control input logic high Ta = -40 to 125°C 2 V II Control input current VI = 6 V, VC = 6 V 10 µA CO Output bypass capacitance ESR = 0.1 to 10 Ω, IO = 0 to 500 mA 2 10 µF

Page 10

LF00 series Electrical characteristics 9/46 Table 7. Electrical characteristics for LF25AB (refer to the test circuits, TJ = 25°C, CI = 0.1 µF, CO = 2.2 μF unless otherwise specified.) Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage IO = 50 mA, VI = 4.5 V 2.475 2.5 2.525 V IO = 50 mA, VI = 4.5 V, Ta = -25 to 85°C 2.450 2.550 VI Operating input voltage IO = 500 mA 16 V IO Output current limit 1 A ΔVO Line regulation VI = 3.5 to 16 V, IO = 5 mA 2 12 mV ΔVO Load regulation VI = 3.8 V, IO = 5 to 500 mA 2 12 mV Id Quiescent current VI = 3.5 to 16V, IO = 0mA ON MODE 0.5 1 mA VI = 3.8 to 16V, IO=500mA 12 VI = 6 V OFF MODE 50 100 µA SVR Supply voltage rejection IO = 5 mA, VI = 4.5 ± 1 V f = 120 Hz 82 dBf = 1 KHz 77 f = 10 KHz 65 eN Output noise voltage B = 10 Hz to 100 KHz 50 µV Vd Dropout voltage IO = 200 mA 0.2 0.35 V IO = 500 mA 0.4 0.7 VIL Control input logic low Ta = -40 to 125°C 0.8 V VIH Control input logic high Ta = -40 to 125°C 2 V II Control input current VI = 6 V, VC = 6 V 10 µA CO Output bypass capacitance ESR = 0.1 to 10 Ω, IO = 0 to 500 mA 2 10 µF

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Nicko*****ittal

November 15, 2020

They worked as I expected. I'll definitely purchase again. Thank you!

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November 12, 2020

Very pleased with the parts from this company. First class service. Thanks!

Ryl*****Manne

November 11, 2020

Very much appreciate the thoughtful system to hold multiple orders, including back ordered items, can be shipped at once rather than incremental shipments.

Jamari*****krishnan

November 6, 2020

Website and order clear, concise and user friendly. Thanks!

Danna*****olson

October 29, 2020

Not much to say. Nice and cheap, and haven't had a failure yet.

Harl*****herman

October 27, 2020

Great seller, would recommend buying from. , good communication and problem solving

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