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FAN6921BCMPFC+QRFlyback(ControlCircuit)Step1:Fillintheinputboxinthe"Calculation"columntocalculatetheidealvalues.Step2:Refertothecalculatedvaluesinoutputboxandconsidertheactualcomponenttoselecttheactualvalues.inputboxStep3:Fillintheinputboxinthe"Selection"columnwithselectedvaluesandchecktheeffect.outputboxControlCircuitCalculatePFCControlCircuitCalculationCalculationSelectionMinimumRZCD(kΩ)=RZCD25.0RZCD.Selection25Brownoutpoint(V)=VBROWN.OUT80VBROWN.OUT.Selection80.0Browninpoint(V)=VBROWN.IN96.0VBROWN.IN.Selection96.0RVIN2(kΩ)=RVIN2154RVIN2.Selection154.0RVIN1(kΩ)=RVIN110943.5RVIN1.Selection9400VACHighlinelevel(V)=VAC.HIGH176.6VAC.HIGH.Selection152.0VACLowlinelevel(V)=VAC.LOW151.3VAC.LOW.Selection130.3RPFC2(kΩ)=RPFC291RPFC2.Selection91.0RPFC1(kΩ)=RPFC19373.0RPFC1.Selection9400RPFC3(kΩ)=RPFC3167.4RPFC3.Selection180PFCoutputlowvoltage=VPFC.LOW.LEVEL260.0VPFC.LOW.LEVEL.Selection260.7PFCouputhighvoltage=VPFC.HIGH.LEVEL400.0VPFC.HIGH.LEVEL.Selection391.3ProtectionratingofIL_Peak(%)=RATING.PFC132RATING.PFC.Selection132.2PFCCurrentsenseresister(Ω)=RCS10.15RCS1.Selection0.15MinimumCcomp(nF)=CCOMP124.4CCOMP.Selection220PWMControlCircuitCalculationOVPpoint=VOVP34VOVP.Selection34.4RatioofRDET1/RDET2=KDET9.9KDET.Selection10.0IDS_Peak_Lowline/IDS_Peak_HighLine=RATIO.IPEAK1.12RATIO.IPEAK.Selection1.12RDET1(kΩ)=RDET1132.5RDET1.Selection120RDET2(kΩ)=RDET213.4RDET2.Selection12DETpinsourcingcurrent@highline(uA)=IDET.H514IDET.H.Selection567DETpinsourcingcurrent@lowline(uA)=IDET.L342IDET.L.Selection378Currentsenselimit@lowline(V)=VLIMIT.LOW.LINE0.53VLIMIT.LOW.LINE.Selection0.49Currentsenselimitrating(%)=RATING.PWM113RATING.PWM.Selection94Outputpowerlimitrating@lowline(%)=RATING.P.LIMIT.L127.7RATING.P.LIMIT.L.Selection87.6Outputpowerlimitrating@highline(%)=RATING.P.LIMIT.H123.1RATING.P.LIMIT.H.Selection76.9RCS2,Currentsenseresister(Ω)=RCS20.13RCS2.Selection0.15NTCresistanceatprotectiontemperature(kΩ)=RNTC4.4RNTC.Selection4.4RRT(kΩ)=RRT3.6RRT.Selection3.6Note:Cellsthathavewhitetextonare
