用LM5069做输入电压监控,输入48V,MOS管一开始用VDS 60V的一上电就会击穿,后来改用VDS 100V的MOS管还是一上电就击穿,电路图按照手册画的,电路图见附件,各位大侠麻烦帮忙看看
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用LM5069做输入电压监控,输入48V,MOS管一开始用VDS 60V的一上电就会击穿,后来改用VDS 100V的MOS管还是一上电就击穿,电路图按照手册画的,电路图见附件,各位大侠麻烦帮忙看看
如果电源接一个负载电阻,负载电流2A左右,一上电MOS管就无法启动,把PWR电阻增大,能启动,但是会把MOS管击穿