作者查詢 / ke19721972
作者 ke19721972 在 PTT [ Electronics ] 看板的留言(推文), 共38則
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3F推: 檢查零件外觀跟有好的板子對照才是真理12/11 21:02
1F→:我想是SW1通的瞬間5V直接接地讓power supply跳保護吧03/30 22:16
1F推:PFC是要讓輸入電流是一個完整弦波且跟輸入電壓同相02/19 23:48
2F→:所以通常是在接上市電那端要達到,不過對boost PFC來說02/19 23:51
3F→:通常是控制整流之後的電流要追隨整流後的電壓,就結果02/19 23:51
4F→:來說一樣會達到橋式整流前的功因校正02/19 23:52
6F推:DC的話應該是用平均avg吧02/12 02:50
4F→:這個光看datasheet就覺得混亂啊XDDDD((跪02/06 18:49
2F推:哪方面的資料啊?01/22 10:26
3F→:要升壓,降壓或是其他方面用途?01/22 10:28
4F推:上臂的電阻電容都換掉了嗎??12/30 16:51
6F→:訊號的01/01 09:07
4F推:最常見的IRF530就可以了(100V 14A)10/29 16:34
5F→:不過應該可以挑耐壓更小的XDDDD10/29 16:35
10F推:應該是算好多久會到零,給他一個delay time的方法吧?10/20 19:08
8F推:TI提供的範例或手冊真的都很有用,加油XD10/12 23:12