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LM7480 - Ideal Diode Controller Driving Back to Back NFET

General Description

The LM7480 ideal diode controller drives and controls external back to back N-channel MOSFETs to emulate an ideal diode rectifier with power path ON/OFF control and overvoltage protection.

The wide input supply of 3 V to 65 V allows protection and control of 12-V and 24-V input powered systems.

Key Features

  • Qualified for extended temperature.

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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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LM7480 SNOSDD8 – DECEMBER 2022 LM7480 3-V to 65-V, Ideal Diode Controller Driving Back to Back NFETs 1 Features • Qualified for extended temperature applications – Device temperature: –55°C to +125°C ambient operating temperature range • 3-V to 65-V input range • Reverse input protection down to –65 V • Drives external back-to-back N-channel MOSFETs in common drain and common source configurations • Ideal diode operation with 10.5-mV A to C forward voltage drop regulation (LM74800) • Low reverse detection threshold (–4.5 mV) with fast response (0.5 µs) • 20-mA peak gate (DGATE) turnon current • 2.6-A peak DGATE turnoff current • Adjustable overvoltage protection • Low 2.