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UCC28060 PFC 电路不工作

Other Parts Discussed in Thread: UCC28060, UCC28060EVM

我在使用UCC28060芯片的时候,电路基本上是参考DEMO板资料的,但是无输出390V 电压,请帮忙提供下分析思路,谢谢。 附件是电路图。

SCHEMATIC1 PAGE 02 - PFC.pdf