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LP8864QRHBRQ1 问题请教

使用LP8864QRHBRQ1做的板子,出厂测试OK,到客户手上被退回不良品比较多。

出现的现象是不工作,或者频闪,分析发现LP8864QRHBRQ1的VDD为0.

不知道为什么会有这种情况,请告知。

JZ-LP448P35(V1.3).pdf