你好:在做用LM5088MH-1降压输出,48V输入,12V输出7A时,第一次做板时能够良好的输出电压电流。第二次打板时只能输出6.45V电压。两次原理图均是一样。PCB板是四层板。
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你好:在做用LM5088MH-1降压输出,48V输入,12V输出7A时,第一次做板时能够良好的输出电压电流。第二次打板时只能输出6.45V电压。两次原理图均是一样。PCB板是四层板。