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UCC3818 peak current limit question

Other Parts Discussed in Thread: UCC3818

Hello,

We have question about peak current limit of UCC3818 as below.

my application is AC-DC power supply and use UCC3818 as PFC.

- how the difference behavior of PKL between 90Vac and 264Vac at max load conditition?

- what is posible root cause of PFC reach PKL at high line 264Vac input at max load condition while 90Vac not happen

MD