SWITCHMODEâ¢ Power Supply Reference Manual

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SMPSRMApplication: 110 W Output Flyback SMPS180 VAC TO 280 VAC C31 nF / 1 KVRFIFILTERR11 / 5 WC4–C71 nF / 1000 VR34.7 kC32220 pFD1–D41N4007C2220 FC1100 FD51N4934C1747 nFR2022 k5 WD8MR856C30100 F120 V / 0.5 AC310.1 FC9C10R1510 kC111 nFR1610 k820 pF1 FR268 k / 2 W9101112131415MC44603P8765432C151 nFR427 kC16100 pFR7180 kR815 kR1010 R91 kL11 HD61N4148C144.7 nFD7MR856R51.2 kR6180 R261 kLauxLPNote 1C29220 pFD9MR852C271000 FC26220 pFD10MR852C251000 F28 V / 1 AC280.1 F15 V / 1 AC240.1 F161C23220 pFR1827 kR1910 kC13100 nFR142 X 0.56 //D11MR852C211000 F8 V / 1 AC220.1 FR1710 kR24270 R23117.5 kR2110 kC19100 nFD141N4733R251 kC126.8 nFNote 1: 600 V/ 6 A N–Channel MOSFETTL431C2033 nFR222.5 kFigure 48. 110 W Output Flyback SMPShttp://onsemi.com51
SMPSRMFeatures:Off–line operation from 180 V to 280 Vac mains.Fixed frquency and stand–by mode.Automatically changes operating mode based on load requirements.Precise limiting of maximum power in fixed frequency mode.ON Semiconductor Advantages:Built–in protection circuitry for current limitation, overvoltage detection, foldback, demagnetization and softstart.Reduced frequency in stand–by mode.Devices:Part NumberDescriptionMC44603PEnhanced Mixed Frequency Mode GreenLine PWM ControllerMR856 Fast Recovery Rectifier (600 V)MR852 Fast Recovery Rectifier (200 V)TL431Programmable Precision <strong>Reference</strong>1N4733A Zener Voltage Regulator Diode (5.1 V)1N4007 General Purpose Rectifier (1000 V)http://onsemi.com52
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 46 and 47: SMPSRMFeatures:Off power consumptio
Page 48 and 49: SMPSRMFeatures:70 W output power fr
Page 50 and 51: SMPSRMFeatures:Off power consumptio
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