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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/685791/ucc28881-non-isolated-buck-circuit-howling
尊敬的大师：
我的客户设计了基于 UCC28881的220V 交流至24V 直流电路、该电路可以正常工作并输出24V 电压、但当电路工作时、他们可以听到啸声。 请帮助您了解我们可以从何处开始调试此问题？ 下面是供您查看的原理图。
谢谢。
