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最近有个项目需要做一个DC-DC电源，选用LM5175控制器，10-30V输入，28V输出，电流7A。做了个板子，输出只能到2.5A，一旦超过马上电压降成0.4V左右，不知道那里的问题，同时芯片感觉发热厉害CXVV.pdf
上传测试过程和PCB图。
