SWITCHMODEâ¢ Power Supply Reference Manual

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SMPSRMFeatures:Off power consumption: 40 mA drawn from the 8 V output in Burst mode.Vac (110 V) about 1 wattVac (240 V) about 3 wattsEfficiency (pout = 85 watts)Around 77% @ Vac (110 V)Around 80% @ Vac (240 V)Maximum <strong>Power</strong> limitation.Over–temperature detection.Winding short circuit detection.ON Semiconductor Advantages:Designed around high performance current mode controller.Built–in latched disabling mode.Complete semiconductor solution.Devices:Part NumberDescriptionMC44605PHigh Safety Latched Mode GreenLine ControllerFor (Multi) Synchronized ApplicationsTL431Programmable Precision <strong>Reference</strong>MR856 Fast Recovery Rectifier (600 V)MR852 Fast Recovery Rectifier (200 V)MBR360 Axial Lead Schottky Rectifier (60 V)BC237BNPN Bipolar Transistor1N5404 General–Purpose Rectifier (400 V)1N4742A Zener Regulator (12 V, 1 W)TransformerG6351–00 (SMT31M) from Thomson OregaPrimary inductance = 207 HArea = 190 nH/turns2Primary turns = 33Turns (90 V) = 31http://onsemi.com45
SMPSRMApplication: 70 W Wide Mains TV SMPS95 Vac to265 VacC30100 nF250 VacLF1RFIFILTERF1FUSE 1.6 AC191 nF/1 kVR322 kC4–C51 nF/1 kVC9100 nFR151 MR43.9 kR52.2 kR1447 kD151N4148D1–D41N40079C8 560 pF10C10 1 µF11R185.6 kC710 nF1213141516R1310 kR768 k/1 WMC44603AP3.8 M87654321C121 nFC16100 µFR1927 kC11100 pF R2215 k180 kR20 47R9 1501 kC1220 FD131N4148L11 µHR1668 k/2 W C15 220 pF L322 µH 115 V/0.45 AR81 kR330.31 C264.7 nFD71N4937Q1600 V/4 AN–ChMOSFETR214.7 MC14220 pFD12MR856 C2047 µFD5MR854D8MR854D2347 µF15 V/1.5 AC211000 µF11 V/0.5 AC221000 µFOREGA TRANSFORMERG6191–00THOMSON TV COMPONENTSFigure 45. 70 W Wide Mains TV SMPShttp://onsemi.com46
Page 1 and 2: SMPSRM/DRev. 3, Jul-2002SWITCHMODE
Page 3 and 4: SMPSRMON Semiconductor and are regi
Page 6 and 7: SMPSRMIntroductionThe never-ending
Page 8 and 9: SMPSRMThe Flyback-Mode ConverterThe
Page 10 and 11: SMPSRMFactors 3, 4 and 5 have a dir
Page 12 and 13: SMPSRM+N1 N2C inV inControlTSWDL OC
Page 14 and 15: SMPSRMInterleaved Multiphase Conver
Page 16 and 17: SMPSRMV CCOSCChargeClock RampV erro
Page 18 and 19: SMPSRMThe Power MOSFETPower MOSFETs
Page 22 and 23: SMPSRMThe Magnetic ComponentsThe ma
Page 24 and 25: ÉÉ ÂÂÂÂÂÂÂÂÂÂÂÉÉÉÉ
Page 26 and 27: SMPSRMThe forward conduction loss o
Page 28 and 29: SMPSRMSnubbers and ClampsSnubbers a
Page 30 and 31: SMPSRMThe Active ClampAn active cla
Page 32 and 33: SMPSRMIn this design, both the powe
Page 34 and 35: SMPSRMA Power Factor Correction (PF
Page 36 and 37: SWITCHMODE Power Supply ExamplesSMP
Page 38 and 39: V_SyncH_SyncMonitorMCUSYNC PROCESSO
Page 40 and 41: SMPSRMACLineRectifier+Start-upSwitc
Page 42 and 43: http://onsemi.com41Part No. VRRM(V)
Page 44 and 45: SMPSRMApplication: Compact Power Fa
Page 48 and 49: SMPSRMFeatures:70 W output power fr
Page 50 and 51: SMPSRMFeatures:Off power consumptio
Page 52 and 53: SMPSRMApplication: 110 W Output Fly
Page 54 and 55: SMPSRMApplication: Efficient Safety
Page 56 and 57: SMPSRMApplication: AC-DC Battery Ch
Page 58 and 59: SMPSRMLiterature Available from ON
Page 60 and 61: SMPSRMWeb Locations for Switching-M
Page 62 and 63: Analog ICs for SWITCHMODE Power Sup
Page 64 and 65: SMPSRMON SEMICONDUCTOR STANDARD DOC

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SWITCHMODEâ¢ Power Supply Reference Manual