请问软启动有什么用处?
This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
电源启动时,PWM占空比由0逐渐增加到正常占空比,使得电压由零慢慢提升到额定电压,从而平滑的启动,这就是软启动。软启动能够杜绝电源电压直接跳变(硬启动)而产生的很大的冲击电流,减小启动时对器件的电流应力,提高电源安全性。