This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

UCC28019A电流波形问题

Other Parts Discussed in Thread: UCC28019A

最近在用UCC28019A调试pfc输入电压是200V-265V@50hz,输出功率是2000W,400V,电感用的是铁硅铝材质,536UH, 加载到800W之后电流波形开始畸变,请教各位要从哪里下手解决。

800W的波形

1000W是的波形

满载波形

原理图