Part Number: LM5145
我用这个电路原理图做的PCB,48V转24V,准备的电流是20A, 3块板子中有1块是可以转化24V的,但是空载时候发热,其余两块转出来时3.6V,测量FB引脚电压只有0.12V,麻烦分析一下原因?怎么解决呢? 谢谢。

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