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tps23753 POE输出和适配器共同供电的问题

Other Parts Discussed in Thread: PMP40355

HI 

参考PMP40355 设计的POE非隔离输出,单独POE没有问题,但是插上适配器后,POE转换器不工作了,输出端量45V电压。适配器和POE输出各用一个二极管隔开后同时接入板子。
请问PMP40355输出是不是不能这样直接跟适配器一起接,电路要怎么改