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LM5117使用给定参考方案设计电源测试时输入16V电源没有输出，以确定电路图连接没有问题具体PCB图如下：
亲；建议修改PCB。功率管半桥连线太细太长了。另外；这种DCDC；尽可能不要用TO-220封装，建议换成DPACK或SO-8等类似封装。
谢谢
