SWITCHMODE™ Power Supply Reference Manual

SMPSRMACLineRectifier+Start–upSwitchBulkStorageCapacitorPWMControlICPWM SwitcherUltrafastRectifierMOSFET+Prog.Prec.RefLoadn–outputsFigure 38. AC/DC Power Supply for CRT DisplaysTable 1.Part # Description Key Parameters Samples/Prod.MC33262 PFC Control IC Critical Conduction PFC Controller Now/NowMC33368 PFC Control IC Critical Conduction PFC Controller + Internal Start–up Now/NowMC33260 PFC Control IC Low System Cost, PFC with SynchronizationCapability, Follower Boost Mode, or Normal ModeNow/NowMC33365 PWM Control IC Fixed Frequency Controller + 700 V Start–up, 1 APower SwitchNow/NowMC33364 PWM Control IC Variable Frequency Controller + 700 V Start–up Switch Now/NowMC44603A/604 PWM Control IC GreenLine, Sync. Facility with Low Standby Mode Now/NowMC44605 PWM Control IC GreenLine, Sync. Facility, Current–mode Now/NowMC44608 PWM Control IC GreenLine, Fixed Frequency (40 kHz, 75 kHz and 100kHz options), Controller + Internal Start–up, 8–pinNow/NowMSR860 Ultrasoft Rectifier 600 V, 8 A, trr = 55 ns, Ir max = 1 uA Now/NowMUR440 Ultrafast Rectifier 400 V, 4 A, trr = 50 ns, Ir max = 10 uA Now/NowMRA4006T3 Fast Recovery Rectifier 800 V, 1 A, Vf = 1.1 V @ 1.0 A Now/NowMR856 Fast Recovery Rectifier 600 V, 3 A, Vf = 1.25 V @ 3.0 A Now/NowNCP1200 PWM Current–Mode Controller 110 mA Source/Sink, O/P Protection, 40/60/110 kHz Now/NowNCP1205 Single–Ended PWM Controller Quasi–resonant Operation, 250 mA Source/Sink,8–36 V OperationNow/NowUC3842/3/4/5High Performance Current–ModeControllers500 kHz Freq., Totem Pole O/P, Cycle–by–CycleCurrent Limiting, UV LockoutNow/Nowhttp://onsemi.com38