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LM74704-Q1 - Ideal Diode Controller

Download the LM74704-Q1 datasheet PDF. This datasheet also covers the LM74703-Q1 variant, as both devices belong to the same ideal diode controller family and are provided as variant models within a single manufacturer datasheet.

General 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.

Key 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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (LM74703-Q1-etcTI.pdf) that lists specifications for multiple related part numbers.

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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.

View original datasheet text
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.