原理图如上图所示，输出值始终为5.8V。为什么。能调的地方都调过了，没什么变化。刚上电的时候输出是12V，后来把二极管 SMBJ75CA截下来，然后在焊回去，就不对了。我们用这个DC/DC做了三组电源输出，12V/24V/5V.各组表现都不一样，有大神能看出这里面是不是哪里设计有问题啊。
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