C20A23 这颗22p的电容,焊接时,芯片会偶尔无输出。去除这颗电容后测试没问题,规格书中写道这颗电容是可选的,请问按照原理图中C21A23,R6A23的参数,这颗C20A23可以去除吗
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Hi
你可以测试一下输出纹波,如果在合理范围内, 是可以不要C20A23是可以去掉的。