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TPS53353: 电压输出

Part Number: TPS53353

输入Vin正常,EN正常,VREG正常,输出LL没有

  • Hi

        电路借助webench再确认一下,以及确认一下芯片及周边零件焊接。

        如果上面都没有问题的话,做一下启动测试,再EN启动瞬间,看看LL是否有波形? 如果完全没有反应,更换芯片看看?