TL431 Datasheet PDF – Programmable Shunt Regulator

Part Number : TL431

Function : Programmable Shunt Regulator

Package : TO 92, DIP 8, SOP 8 Pin

Manufacturers : Fairchild Semiconductor


TL431 regulator



The TL431, TL431A are three-terminal adjustable regulator series with a guaranteed thermal stability over applicable temperature ranges. The output voltage may be set to any value between VREF(approximately 2.5 volts) and 36 volts with two external resistors These devices have a typical dynamic output impedance of 0.2Ω. Active output circuitry provides a very sharp turn-on characteristic, making these devices excel lent replacement for zener diodes in many applications.


Pinout :

TL431 datasheet pinout



1. Programmable Output Voltage to 36 Volts
2. Low Dynamic Output Impedance 0.2ΩTypical
3. Sink Current Capability of 1.0 to 100mA
4. Equivalent Full-Range Temperature Coefficient of 50ppm/°C Typical
5. Temperature Compensated For Operation Over Full Rated Operating Temperature Range
6. Low Output Noise Voltage
7. Fast Turn-on Response

Block Diagram

Reference Site :

TL431 Datasheet PDF Download

TL431 pdf

Other data sheets within the file : TL431A, TL431ACD, TL431ACLP, TL431CD

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