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Power/Alternative Energy  

Design of power factor correction circuit using FAN7527B

Posted: 19 Jan 2010     Print Version  Bookmark and Share

Keywords:power factor correction  PFC circuit  FAN7527B circuit 

The FAN7527B is an active power factor correction (PFC) controller for boost PFC application, which operates in the critical conduction mode. It turns on MOSFET when the inductor current reaches zero and turns off MOSFET when the inductor current meets the desired input current reference voltage. In this way, the input current waveform follows that of the input voltage, therefore a good power factor is obtained.

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