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LM3880 Datasheet Three-rail Simple Power Supply Sequencer

Manufacturer: Texas Instruments

Overview: www.ti.com LM3880 SNVS451M – AUGUST 2006 – REVISED MALRCMH32808201 SNVS451M – AUGUST 2006 – REVISED MARCH 2021 LM3880 Three-Rail Simple Power Supply Sequencer.

General Description

The LM3880 simple power supply sequencer offers the easiest method to control powerup sequencing and powerdown sequencing of multiple Independent voltage rails.

By staggering the startup sequence, it is possible to avoid latch conditions or large in-rush currents that can affect the reliability of the system.

Available in a 6-pin SOT-23 package, the simple sequencer contains a precision enable pin and three open-drain output flags.

Key Features

  • Simple solution for sequencing three voltage rails from a single input signal.
  • Easily cascade up to three devices to sequence as many as nine voltage rails.
  • Powerup and powerdown control.
  • Tiny 2.9-mm x 1.6-mm footprint.
  • Low quiescent current: 25 µA.
  • Input voltage range: 2.7 V to 5.5 V.
  • Standard timing options available 2.

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