The NCP1294 fixed frequency feed forward voltage mode PWM controller contains all of the features necessary to be configured in a Flyback, Boost or Forward topology. This PWM controller has been optimized for high frequency primary side control operation. In addition, this device includes such features as: Soft−Start, accurate duty cycle limit control, less than 50_A startup current, over and undervoltage protection, and bidirectional synchronization. The NCP1294 is available in a 16 lead SOIC narrow surface mount package.
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