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UCC28070A: 带载时电压下降

Part Number: UCC28070A

UCC28070A,AC85-265,2KW,目前问题:空载输出390V,在AC110V时,电压掉到330V,AC220V时,PFC_2KW.pdf

输出掉到360V,请问哪里问题?PFC电感0A时200uH