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TL431B - 3-terminal programmable shunt regulator

Download the TL431B datasheet PDF. This datasheet also covers the TL431A variant, as both devices belong to the same 3-terminal programmable shunt regulator family and are provided as variant models within a single manufacturer datasheet.

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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (TL431A-ONSemiconductor.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number TL431B
Manufacturer onsemi
File Size 465.42 KB
Description 3-terminal programmable shunt regulator
Datasheet download datasheet TL431B Datasheet

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Other Datasheets by onsemi

Part Number Description
TL431BC 3-terminal programmable shunt regulator
TL431BI 3-terminal programmable shunt regulator
TL431BV 3-terminal programmable shunt regulator
TL431A 3-terminal programmable shunt regulator
TL431AC 3-terminal programmable shunt regulator

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.

View original datasheet text
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.
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