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Temperature Controlled PWM Boost Converter from +5V Supply Circuit Diagram

Friday, 02. April 2010 by admindata

The following circuit diagrams the temperature controlled pulse-width modulator (PWM) boost converter which allows operation of a 12V brushless DC fan from a +5V supply.

Temperature Controlled Operation of 12V Fan from 5V Supply Circuit Diagram

This is a single chip BiCMOS Pulse Width Modulator controller which includes voltage reference, error amplifier, comparator, MOSFET gate drive, and oscillator within its circuitry.

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