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AH288 - HIGH VOLTAGE HALL-EFFECT SMART FAN MOTOR CONTROLLER

General Description

On chip Hall sensor Rotor-locked shutdown Automatically restart Frequency generator (FG) output Built-in Zener protection for output driver Operating voltage: 3.8V~28V Output current: IO(AVE) = 400mA Lead Free Package:

Key Features

  • AH288 HIGH.

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Features AH288 HIGH VOLTAGE HALL-EFFECT SMART FAN MOTOR CONTROLLER General Description • On chip Hall sensor • Rotor-locked shutdown • Automatically restart • Frequency generator (FG) output • Built-in Zener protection for output driver • Operating voltage: 3.8V~28V • Output current: IO(AVE) = 400mA • Lead Free Package: SOT89-5L (Note 1) • SOT89-5L: Available in “Green” Molding Compound (No Br, Sb) • Lead Free Finish/RoHS Compliant (Note 2) AH288 is a monolithic fan motor controller with Hall sensor’s capability. It contains two complementary open-drain transistors as motor coil drivers, automatic lock current shutdown, and recovery protections. Additional, frequency generator (FG) output is for speed detection relatively.