[問題] Buck 的輸入電流有突波怎麼解決
各位先進好~
小弟最近實做一300W buck converter
沒有加入柔切
而我也將二極體和mos的突波電壓都消的差不多了
可是輸入電流一直有突波
下圖示我的波形圖
http://0rz.tw/xWRI3
CH1: mos的gs電壓
CH4: 輸入電流
CH2:mos的ds電壓
CH3:二極體的跨壓
想請問一下
該怎麼減小輸入電流的突波?
懇請各位先進不吝指教
謝謝
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