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TPS2552DBVR 检测不到电压

Other Parts Discussed in Thread: TPS2553, TPS2552

部分产品上TPS2552DBVR 检测不到输出电压,三脚为使能引脚。

电路里面是给使能端拉低,才供电的,不超500MA.外围元件是否有影响,只有部分有这个情况。