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TPS54560前端电容为什么发出电流声?

Other Parts Discussed in Thread: TPS54560

TPS54560输入端有100UH滤波电容,还有两颗10UF的电容,12V供电。为什么会产生7.4KHZ的谐波造成10UF产生电流声呢?以及怎么解决呢?