FAIRCHILD AN4107 Manual

Update: 30 September, 2023

The FAN7527 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 as shown in Fig. 1. In this way, the input current waveform follows that of the input voltage, therefore a good power factor is obtained.

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Publication date: 11 July, 2012

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PDF Link: FAIRCHILD AN4107 Manual PDF