LM1771 模块无负载时MOS 及电感发热,PMOS用是SI4403,NMOS 用是SI4162,电压输出会随输入电压变化而变化,请问是什么原因?
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LM1771 模块无负载时MOS 及电感发热,PMOS用是SI4403,NMOS 用是SI4162,电压输出会随输入电压变化而变化,请问是什么原因?