TL431 Datasheet Programmable Shunt Regulator

Manufacturer: Fairchild (now onsemi)

TL431 programmable shunt regulator by Fairchild (now onsemi) - Datasheet Preview

Datasheet Details

Part number	TL431
Manufacturer	Fairchild (now onsemi)
File Size	94.18 KB
Description	Programmable Shunt Regulator
Download	TL431 Download (PDF)

General Description

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.

Overview

TL431/TL431A Programmable Shunt Regulator www.fairchildsemi.

Key Features

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

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