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TPS65400: 没有输出

Part Number: TPS65400

你好。我使用TPS65400设计了一个电源电路,现在没有电源输出,SW1处波形如图, ,电感另一端波形如图, ,我的原理图如下,06PMIC.pdf,现在已经将R63 R65 R67 R69去掉,还是没用,请问是怎么回事。