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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/663672/ucc2818-ucc2818-query
你(们)好
我们在现有设计中使用 UCC2818。。在近10%的 PCB 中、在初始开启时会发出2-3秒的嘶嘶声。。您能告诉我们这种嘶嘶声的原因是什么。。。更换 IC 后、问题得到了解决。
请对此问题提出一些建议。
谢谢
星号
