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LM74703-Q1 - Ideal Diode Controller

Description

The LM74703-Q1, LM74704-Q1 is an automotive AEC Q100 qualified ideal diode controller which operates in conjunction with an external N-channel MOSFET as an ideal diode rectifier for low loss reverse polarity protection with a 20-mV forward voltage drop.

Features

  • AEC-Q100 qualified with the following results.
  • Device temperature grade 1:.
  • 40°C to +125°C ambient operating temperature range.
  • 3.2-V to 65-V input range (3.9-V start up).
  • 65-V reverse voltage rating.
  • Charge pump for external N-Channel MOSFET.
  • 20-mV ANODE to.

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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.

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ADVANCE INFORMATION LM74703-Q1, LM74704-Q1 SNOSDF7 – MAY 2023 LM74703-Q1, LM74704-Q1 Ideal Diode Controller with External FET Health Indication 1 Features • AEC-Q100 qualified with the following results – Device temperature grade 1: –40°C to +125°C ambient operating temperature range • 3.2-V to 65-V input range (3.9-V start up) • –65-V reverse voltage rating • Charge pump for external N-Channel MOSFET • 20-mV ANODE to CATHODE forward voltage drop regulation • Enable pin feature • 1-µA shutdown current (EN=Low) • 80-µA operating quiescent current (EN=High) • 2.3-A peak gate turnoff current • FETGOOD output to indicate external MOSFET health status • Fast response to reverse current blocking: < 0.