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Subject: PWM and constant voltage

Date: 02/19/03 at 7:48 AM
Posted by: aldor
E-mail: aldor@coam.net
Message Posted:

Ok, I have the PWM part of the circuit working properly. 25KHz constant frequency and the pulse width varies from 1% to 99%. The circuit is driving the gate of a BUZ10 MOSFET. The MOSFET will be driving a 3VDC motor. The circuit runs off of 12 VDC. How do I make the MOSFET maximum DC voltage output constant at 3VDC? The motor draws around 150 Ma. max.

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