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TPS65094: 输出抖动

Part Number: TPS65094


Dears,

TPS650944A0RSKR芯片输出的全部电源(1.8V,1.24V1.05V,VDDQ)出现抖动现象,帮忙协助分析一下,感谢。

      1.输入的电源5V ,3.3V.PMIC_EN测量没发现抖动。

      2.输出全部电源的外围负载已全部拆除后测量(TPS650944A0RSKR芯片输出电源(1.8V,1.24V1.05V,VDDQ)抖动现象一样存在)

原理图如下

TPS650944A0RSKR.pdf