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TPS54332: 5V3A带载一段时间后芯片温度升高,此时去掉负载后5V处于Eco-mode,此时有一些芯片纹波很大超过100mv,但是有一些芯片不会变化。应该是温度升高引起的纹波增大

Part Number: TPS54332

  左边为正常的,右边为有问题的纹波。而且是批量出现,不知道如何解决。望尽快回复解决