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TL431I - Automotive adjustable voltage reference

Download the TL431I datasheet PDF. This datasheet also covers the TL431 variant, as both devices belong to the same automotive adjustable voltage reference family and are provided as variant models within a single manufacturer datasheet.

General Description

The TL431 and TL432 are adjustable shunt voltage references with guaranteed temperature stability over the entire operating temperature range.

The device temperature range is extended for the automotive version from -40 °C up to +125 °C.

Key Features

  • AEC-Q100 qualified.
  • Adjustable output voltage: 2.5 to 36 V.
  • Sink current capability: 1 to 100 mA.
  • Typical output impedance: 0.22 Ω.
  • 0.5% voltage precision only on the TL431B version.
  • 1% and 2% voltage precision.
  • Automotive temp. range -40 °C to +125 °C February 2021 This is information on a product in full production. DocID4467 Rev 15 1/22 www. st. com Contents Contents TL431, TL432 1 Schematic diagrams.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (TL431_STMicroelectronics.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by STMicroelectronics

Part Number Description
TL431 Automotive adjustable voltage reference
TL431AC Automotive adjustable voltage reference
TL431AI Automotive adjustable voltage reference
TL431B Automotive adjustable voltage reference
TL431C Automotive adjustable voltage reference

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
Z TO-92 (Plastic package) L SOT23-5 TL431 TL432 Automotive adjustable voltage reference L SOT23-3 C SOT323-6 Datasheet - production data Applications  Power supply  Industrial  Automotive Description The TL431 and TL432 are adjustable shunt voltage references with guaranteed temperature stability over the entire operating temperature range. The device temperature range is extended for the automotive version from -40 °C up to +125 °C. The output voltage can be set to any value between 2.5 and 36 V with two external resistors. The TL431 and TL432 operate with a wide current range from 1 to 100 mA with a typical dynamic impedance of 0.22 Ω. D SO-8 (Batwing plastic micropackage) Features  AEC-Q100 qualified  Adjustable output voltage: 2.