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TL432LI Datasheet Programmable Shunt Regulator

Manufacturer: Texas Instruments

Download the TL432LI datasheet PDF. This datasheet also includes the TL431LI variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (TL431LI-etcTI.pdf) that lists specifications for multiple related part numbers.

General Description

The TL431LI device is a three-terminal adjustable shunt regulator, with specified thermal stability over applicable automotive, commercial, and military temperature ranges.

The output voltage can be set to any value between Vref (approximately 2.495 V) and 36 V, with two external resistors.

These devices have a typical output impedance of 0.3 Ω.

Overview

Product Folder Order Now Technical Documents Tools & Software Support & Community TL431LI TL432LI SLVSDQ6A – JULY 2018 – REVISED NOVEMBER 2018 TL431LI / TL432LI Programmable Shunt Regulator with Optimized Reference.

Key Features

  • 1 Reference Voltage Tolerance at 25°C.
  • 0.5% (B Grade).
  • 1% (A Grade).
  • Minimum Typical Output Voltage: 2.495 V.
  • Adjustable Output Voltage: Vref to 36 V.
  • Operation From.
  • 40°C to +125°C (Q Temp).
  • Maximum Temperature Drift.
  • 10 mV (C Temp).
  • 17 mV (I Temp).
  • 27 mV (Q Temp).
  • 0.3-Ω Typical Output Impedance.
  • Sink-Current Capability.
  • Imin = 1 mA (max).
  • IKA = 15 mA (max).

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