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LM431A - Programmable Shunt Regulator

Datasheet Summary

Description

The LM431A/LM431B/LM431C are three terminal output adjustable regulators with thermal stability over operating temperature range.

The output voltage can be set any value between VREF (approximately 2.5 volts) and 36 volts with two external resistors.

Features

  • Programmable Output Voltage to 36 Volts Low Dynamic Output Impedance 0.20 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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Datasheet preview – LM431A

Datasheet Details

Part number LM431A
Manufacturer Fairchild Semiconductor
File Size 91.73 KB
Description Programmable Shunt Regulator
Datasheet download datasheet LM431A Datasheet
Additional preview pages of the LM431A datasheet.

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Full PDF Text Transcription

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www.fairchildsemi.com LM431A/LM431B/LM431C Programmable Shunt Regulator Features • • • • Programmable Output Voltage to 36 Volts Low Dynamic Output Impedance 0.20 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 Description The LM431A/LM431B/LM431C are three terminal output adjustable regulators with thermal stability over operating temperature range. The output voltage can be set 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.
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