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SC431M - Adjustable Shunt Regulator

Description

The SC431M is a three terminal adjustable shunt regulator with thermal stability guaranteed over temperature.

The output voltage can be adjusted to any value from 2.5V (VREF) to 30V with two external resistors.

The SC431M has a typical dynamic output impedance of 0.25Ω.

Features

  • Wide operating current range 130μA to 150mA.
  • Low dynamic output impedance 0.25Ω typ.
  • Trimmed bandgap + 0.5%.
  • Alternate for TL1431, TL431, LM431& AS431.
  • Military temperature range.
  • Available in SOT-23-3 package, fully WEEE and RoHS compliant.

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Datasheet preview – SC431M

Datasheet Details

Part number SC431M
Manufacturer Semtech
File Size 1.10 MB
Description Adjustable Shunt Regulator
Datasheet download datasheet SC431M Datasheet
Additional preview pages of the SC431M datasheet.

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Full PDF Text Transcription

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SC431M Adjustable Shunt Regulator Features  Wide operating current range 130μA to 150mA  Low dynamic output impedance 0.25Ω typ.  Trimmed bandgap + 0.5%  Alternate for TL1431, TL431, LM431& AS431  Military temperature range  Available in SOT-23-3 package, fully WEEE and RoHS compliant Applications  Linear Regulators  Switching Power Supplies Typical Application Circuit Description The SC431M is a three terminal adjustable shunt regulator with thermal stability guaranteed over temperature. The output voltage can be adjusted to any value from 2.5V (VREF) to 30V with two external resistors. The SC431M has a typical dynamic output impedance of 0.25Ω. Active output circuitry provides a very sharp turn on characteristic, making the SC431M an excellent replacement for Zener diodes.
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