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TL431Q Datasheet three-terminal adjustable shunt regulator

Manufacturer: Texas Instruments

Download the TL431Q datasheet PDF. This datasheet also includes the TL431 variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (TL431-etcTI.pdf) that lists specifications for multiple related part numbers.

General Description

The TL431LI / TL432LI are pin-to-pin alternatives to TL431 / TL432.

TL43xLI offers better stability, lower temperature drift (VI(dev)), and lower reference current (Iref) for improved system accuracy.

The TL431 and TL432 devices are three-terminal adjustable shunt regulators, with specified thermal stability over applicable automotive, commercial, and military temperature ranges.

Overview

Product Folder Order Now Technical Documents Tools & Software Support & Community TL431, TL432 SLVS543P – AUGUST 2004 – REVISED NOVEMBER 2018 TL431 / TL432 Precision Programmable Reference.

Key Features

  • 1 Reference Voltage Tolerance at 25°C.
  • 0.5% (B Grade).
  • 1% (A Grade).
  • 2% (Standard Grade).
  • Adjustable Output Voltage: Vref to 36 V.
  • Operation From.
  • 40°C to 125°C.
  • Typical Temperature Drift (TL43xB).
  • 6 mV (C Temp).
  • 14 mV (I Temp, Q Temp).
  • Low Output Noise.
  • 0.2-Ω Typical Output Impedance.
  • Sink-Current Capability: 1 mA to 100 mA 2.

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