Datasheet Diodes TL431


The TL431 is three terminal adjustable shunt regulator offering excellent temperature stability and output current handling capability up to 100mA.


Datasheet TL431, TL432
PDF, 454 Kb, File uploaded: Jul 25, 2018, Pages: 14
Adjustable Precision Shunt Regulator
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Detailed Description

The output voltage may be set to any chosen voltage between 2.5 and 36 volts by selection of two external divider resistors. The devices can be used as a replacement for zener diodes in many applications requiring an improvement in zener performance. Diodes' TL431 has the same electrical specifications as the industry standard '?431 and is available in 2 grades with initial tolerances of 1% and 0.5% for the A and B grades respectively.




Parameters / ModelsTL431AS-13TL431ASA-7TL431AW5-7TL431BS-13TL431BSA-7TL431BW5-7
Accuracy0.5, 1 %0.5, 1 %0.5, 1 %0.5, 1 %0.5, 1 %
Automotive Compliant PPAPNoNoNoNoNo
Maximum Input Voltage36 V36 V36 V36 V36 V
Maximum Slope Resistance0.5 Ω0.5 Ω0.5 Ω0.5 Ω0.5 Ω
Minimum Cathode Current for Regulation Typ400 µA400 µA400 µA400 µA400 µA
Operating Ambient Temperature Range-40В toВ 125 °C-40В toВ 125 °C-40В toВ 125 °C-40В toВ 125 °C-40В toВ 125 °C
Qualified to AECQ10xNoNoNoNoNo
Reference Voltage2.495 V2.495 V2.495 V2.495 V2.495 V
Sink Current100 mA100 mA100 mA100 mA100 mA

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Manufacturer's Classification

  • Analog > Standard Linear Products > Voltage References > Shunt Regulators > 2.5V Reference Voltage Parts
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