CS51221 CS51221 Enhanced Voltage Mode PWM Controller Description The CS51221 fixed frequency feed forward voltage mode PWM controller contains all of the features necessary for basic voltage mode operation.
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 50µA startup current, over and under voltage protection, and bidirectional synchronization.
The CS51221 is available in 16 lead PDIP and SO narrow surface mount packages.
s s Features 1MHz Frequency Capability Fixed Frequency Voltage Mode Operation, with Feed Forward Thermal Shutdown Under V...

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