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LM431 - Adjustable Precision Zener Shunt Regulator

Datasheet Summary

Description

The LM431 is a 3-terminal adjustable shunt regulator with ensured temperature stability over the entire temperature range of operation.

The output voltage may be set at any level greater than 2.5 V (VREF) up to 36 V merely by selecting two external resistors that act as a voltage divided network.

Features

  • 1 Average Temperature Coefficient 50 ppm/°C.
  • Temperature Compensated for Operation Over the Full Temperature Range.
  • Programmable Output Voltage.
  • Fast Turnon Response.
  • Low-Output Noise.
  • Low-Dynamic Output Impedance.
  • Available in Space-Saving SOIC-8, SOT-23, and TO-92 Packages 2.

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Datasheet preview – LM431

Datasheet Details

Part number LM431
Manufacturer Texas Instruments
File Size 1.70 MB
Description Adjustable Precision Zener Shunt Regulator
Datasheet download datasheet LM431 Datasheet
Additional preview pages of the LM431 datasheet.

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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM431 SNVS020H – MAY 2000 – REVISED JANUARY 2016 LM431 Adjustable Precision Zener Shunt Regulator 1 Features •1 Average Temperature Coefficient 50 ppm/°C • Temperature Compensated for Operation Over the Full Temperature Range • Programmable Output Voltage • Fast Turnon Response • Low-Output Noise • Low-Dynamic Output Impedance • Available in Space-Saving SOIC-8, SOT-23, and TO-92 Packages 2 Applications • Adjustable Voltage or Current Linear and Switching Power Supplies • Voltage Monitoring • Current Source and Sink Circuits • Circuits Requiring Precision References • Zener Diode Replacements 3 Description The LM431 is a 3-terminal adjustable shunt regulator with ensured temperature stability over t
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