采用tps23750做了个电源板,用DC(30v)供电输入,没有输出;用示波器测量mos管的三个管脚都跟供电端一样的电平,用POE供电供电,也没有输出,情况跟DC供电一样,而且FB、COMP也是跟输入端一样的情况。
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您好,这个问题,我们做的时候也出现了,您的这种情况目前解决了吗?