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TPS54428: TPS54428

Part Number: TPS54428


使用TPS53328作为12V转5V的LDO芯片,输出端确实8.6V输出,直至我去掉了VREG5和SS的接地电容后,输出才输出了5.1V左右

电路原理图如下:

不知是何原因?