TL494 PWM circuit diagram

Published:2011/3/29 4:05:00 Author:Rebekka | Keyword: PWM | From:SeekIC

TL494 PWM circuit diagram is shown as below. The pin 5 and 6 of chip connect to resistor R301 and capacitor C301. It makes sure TL494 oscillator frequency sawtooth is: f＝1.1/（RTCT)=25KHz.



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