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采用LM5071非隔离电源方案,没有输出。

Other Parts Discussed in Thread: LM5071

完全按照示例搭的电路。使用了一个POE合成器,4、5(+)/7、8(-),48V。

就只引出了4、5和7、8接入,但是没有输出,输出端接了一个1K电阻当负载。

请问是什么原因。