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LTC4412 - Low Loss PowerPath Controller

General Description

The LTC®4412 controls an external P-channel MOSFET to create a near ideal diode function for power switchover or load sharing.

This permits highly efficient OR’ing of multiple power sources for extended battery life and low self-heating.

Key Features

  • n Very Low Loss Replacement for Power Supply OR’ing Diodes n Minimal External Components n Automatic Switching Between DC Sources n Simplifies Load Sharing with Multiple Batteries n Low Quiescent Current: 11µA n 3V to 28V AC/DC Adapter Voltage Range n 2.5V to 28V Battery Voltage Range n Reverse Battery Protection n Drives Almost Any Size MOSFET for Wide Range of Current Requirements n MOSFET Gate Protection Clamp n Manual Control Input n Low Profile (1mm) ThinSOT™ Package n AEC-Q100 Qualified fo.

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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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FEATURES n Very Low Loss Replacement for Power Supply OR’ing Diodes n Minimal External Components n Automatic Switching Between DC Sources n Simplifies Load Sharing with Multiple Batteries n Low Quiescent Current: 11µA n 3V to 28V AC/DC Adapter Voltage Range n 2.5V to 28V Battery Voltage Range n Reverse Battery Protection n Drives Almost Any Size MOSFET for Wide Range of Current Requirements n MOSFET Gate Protection Clamp n Manual Control Input n Low Profile (1mm) ThinSOT™ Package n AEC-Q100 Qualified for Automotive Applications APPLICATIONS n Cellular Phones n Notebook and Handheld Computers n Digital Cameras n USB-Powered Peripherals n Uninterruptible Power Supplies n Logic Controlled Power Switch All registered trademarks and trademarks are the property of their respective owners.