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UCC28061 inductor current in 220VAC in

zhimin xia
Prodigy 230 points
Other Parts Discussed in Thread: UCC28061

I use UCC28061 to design a 400V/450W output PFC, In 110VAC input, the inductor current waveform is as below

but in 220VAC input the inductor waveform has distorted as below, I want to do which reason will cause the distort?--Thank you