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SWITCHMODE™ Power Supply Reference Manual

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SMPSRMApplication: 80 W <strong>Power</strong> Factor Controller92 to138 VacRFIFILTERD 2D 11D 4D 3C 5MC33262ZERO CURRENTDETECTOR2.5 VREFERENCE++1.2 V1.6 V/1.4 V36 V6.7 V+ 13 V/8.0 V100 kR 685+1N4934D 6100C 422 kR 4TMUR130D 5V O0.01C 2TIMER R 16 V230 V/10500 V/8 A70.35 ADRIVEN–ChDELAYMOSFET +OUTPUT 220RS10Q 1 C 3LATCH2.2 M1.0 MR 20 k 45 R 21.5 V OVERVOLTAGE0.110 pFR 7CURRENTCOMPARATORSENSECOMPARATOR+ 1.08 VrefERROR AMP10 A +Vref7.5 kR 33QUICKSTART111 kR 16 20.68C 1Figure 42. 80 W <strong>Power</strong> Factor ControllerFeatures:Reduced part count, low–cost solution.ON Semiconductor Advantages:Complete semiconductor solution based around highly integrated MC33262.Devices:Part NumberDescriptionMC33262<strong>Power</strong> Factor ControllerMUR130 Axial Lead Ultrafast Recovery Rectifier (300 V)TransformerCoilcraft N2881–APrimary: 62 turns of #22 AWGSecondary: 5 turns of #22 AWGCore: Coilcraft PT2510Gap: 0.072” total for a primary inductance (Lp) of 320 Hhttp://onsemi.com42

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