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TPS65261: TPS65261

Part Number: TPS65261

我使用TPS65261做三路稳压电源,分别稳5V/3A和两路3.3V/2A,空载时电压稳定带载时电压就掉到0.12V,不知道是什么原因求救大佬,我怀疑是回路电路有问题公式不太会求大佬解答。这是我原理图和pcb