本次做了10块板子,只有4块板子的lmr64010输出正常,其余6块lmr64010都出现不能升压的现象,个别用手摸芯片(也有可能是摸了外围电路)偶尔会正常升压,重新上电又不正常,开始分析是外围电路的问题,换了几次也不正常,C53的值也根据手册的公司算出来,换了几个相近的都不行,实在找不到原因了。有一块正常的做成整机后做振动试验有时候也会不升压。
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