当电路空载时!输出电压高达48V左右
更换了R7=200k R11=11K C10=470uF后,第一次上电是24V 电容充满电的情况下 断电后立刻再上电 电压又升到了48V左右
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Hi
建议您将输入电容再增一个47uF~100uF的电容, 将反馈电阻进一步减小,R11选1~2k欧姆左右,输出电容330uF~470uF.
另外在测试时,电压输入从MOS Q1之后输入。