Adapter,AGENDA,*Adapter Block diagram *Circuit refers *CET products,Adaptor Application,Adapter- Block diagram,Circuit refers,PFC,CEX740N(A), CEX10N4, CEX840N,(400V/10A) (450V/10A) (500V/8A),被動功因:.利用電感、電容於電源端以便將領先或落後之相位做補償,線路架構上較簡單,但其存在體積大、重量重、輸出易因輸入電壓變動而閃爍不穩定。,主動功因:.一般利用市售之IC來達成功率因素修正功能,其原理乃將PFC.IC電路,至於橋式整流器及負載之間,使其電流隨整流後的電壓波型而做調整,其優點為輸出不因輸入電壓變動而改變,但奇線路架構上路較為複雜。,PWM,Synchronous Rectifier,CET products-adapter,THANK YOU !,Rm.1602,Blk A,New Trade Plaza No.6 Ping St. Shatin.H.K. Http:/ TEL:852 -2649 8901 FAX:852- 2649 9164,