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在使用UCC28070调试一个3.3KW的PFC项目遇到了一些难以解决的问题，UCC28070在3KW功率附近电流波形震荡，PWM信号突然中断1ms，波形如下图可见（红色电流波形）：请问该如何解决此问题。谢谢！
在2.8KW一切正常运行：
