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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/795924/ucc28019-ucc28019-no-load-audio-noise-issue
在输入电压高于150Vac 且负载为空载的情况下、PSU 将发出异常声音。
随附了 RD 测试报告、如何修改此现象？谢谢。
e2e.ti.com/.../_07892C67_-PFC-Issue_5F00_20190423.xlsx
