
电路图如上,现在已经去掉L8和C230,电源直接供给芯片,负载接的100欧姆电阻,测量A点的电压电流都是0,REGF 3V,EF 4.1V ,Q1三个脚都是13.5V,TP10和VEST是1.8v,电路无输出
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