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TL431A - 3-terminal programmable shunt regulator

Key Features

  • Programmable Output Voltage to 36 V.
  • Voltage Reference Tolerance: 0.4%, Typ @ 25C (TL431B).
  • Low Dynamic Output Impedance, 0.22 W Typical.
  • Sink Current Capability of 1.0 mA to 100 mA.
  • Equivalent Full.
  • Range Temperature Coefficient of 50 ppm/C Typical.
  • Temperature Compensated for Operation over Full Rated Operating Temperature Range.
  • Low Output Noise Voltage.
  • NCV/SCV Prefixes for Automotive and Other.

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Datasheet Details

Part number TL431A
Manufacturer onsemi
File Size 465.42 KB
Description 3-terminal programmable shunt regulator
Datasheet download datasheet TL431A Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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DATA SHEET www.onsemi.com Programmable Precision References TL431A, B Series, NCV431A, B Series, SCV431A The TL431A, B integrated circuits are three−terminal programmable shunt regulator diodes. These monolithic IC voltage references operate as a low temperature coefficient zener which is programmable from Vref to 36 V with two external resistors. These devices exhibit a wide operating current range of 1.0 mA to 100 mA with a typical dynamic impedance of 0.22 W. The characteristics of these references make them excellent replacements for zener diodes in many applications such as digital voltmeters, power supplies, and op amp circuitry. The 2.5 V reference makes it convenient to obtain a stable reference from 5.