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TPS23754上电 后VDD-VSS一下54V,一下又掉下来了。是什么问题啊？
你好是做POE的PD，想通过POE供电。1106.TPS23754.pdf
HI johnsin Tao：
现在已经供上电了，有12V输出了。谢谢
不过现在是带载能力不行。下面的SW.RAR是测试的部分波形和原理图，帮忙看看。急。谢谢啦
3056.sw.rar
