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LM5085-Q1 buck电路无输出

我最近在做一个输入24V,输出5V,电流3A的降压电路。原理图来自TI的Power Design。

板子打出来之后发现有24V输入,但无5V输出。我按照Datasheet的要求重新画了PCB,打出来还是无5V输出。请帮忙看下PCB是不是画的有很大问题,谢谢!