zhouxiaoxiaoshenh：
Hello,nbdy.IusetheOB2203tocontroltheflyback.ThepictureofVdsisfollowed.Throughthepictureweknowthatwhenthecurrentofrectifierbecometozerothevoltageoftherectifierappeartheoscillation,and itscycleis960ns.Idonotknowwhy.Canyouhelpmesolvethequetion?And myQQis26572391.Notethatwhenyouaddme,youcansayyourbb[圖片] [圖片] sname.AndIwillknowwhoareyou.Thanks.