FPS AC-DC??? 児儳 FPS AC-DC??? 児儳 Hang-Seok Choi ?? 亲???? FPS ???? ???+82-32-680-1383 ???+82-32-680-1317 ???hschoi@fairchildsemi.co.kr [??] ????????? FPS?Fairchild?⑤????????▔ AC-DC???⑤????????????? ⑤?SMPS?????????乍?????????????????????????????????????? ???????????????????? SMPS??????????????催??????????????? ?????????üüFPS?????FPS design assistant?? DR2 L2 Lp2 Bridge rectifier diode 2CDC Non-doubled Np NS2 VO2 Reset Circuit Cp2 CO2 DF2 VDC Doubled 2CDC FPS Lp1 DR1 Drain L1 Ra Da NS1 Vcc VO1 Cp1 CL2 DF1 CO1 FB GND Ca Na Line Filter Rd Rbias CL1 817A CB R1 RL1 RF CF KA431 NTC Fuse R2 AC line ? 1??? FPS???????▔ AC-DC???⑤ ???? ?????????????????????????? ????????????????? FPS???? FPS ?▔??⑤???????????Ё??????? Ё?????????? 1????? FPS??????? ▔ AC-DC???⑤????????г????????? ?????????? MOSFET? PWM???????? ?????????????Ё???? SMPS????? ??? MOSFET? PWM????????????? ????????? FPS?????▔ AC-DC??? ⑤????????????????????????? ?????????????作???????????? design assistant???????????????????? ????? SMPS?????????????????? ?????????? ????????? ????Ё????? 1????????????? ??????????? 1?????? FPS??? 1?? ? 4??????????? 张飞实战电子官方网站：zhangfeidz? 点击打开 FPS AC-DC??? 児儳 ?????????? DC link voltage ripple ü???????Vlinemin ? Vline max ??? 1Ё?????? DC l