Transcription of Natural Interleaving Transition-Mode PFC …
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Natural Interleaving Transition-Mode PFC …
UCC280601 NATURALINTERLEAVINGFEATURESSYSTEMFEATURE SAPPLICATIONS+ COMPVREFPGNDAGNDVCCZCDAZCDBGDACSGDBVINAC VSENSEPWMCNTLUCC28061 TSETPHBHVSENEMIF ilter400 VDCP ower Good todownstream converter85-265 VACI nput Voltage (V)5432170120170220270 Capacitor Ripple Current (A)P= 600 WV= 400 VOUTOUT1-Phase TM2-Phase TM Interleave1-Phase JUNE2008 REVISEDJULY2009 NaturalInterleaving transition -ModePFCC ontrollerWithImprovedAudibleNoiseImmunit y ImprovedAudibleNoisePerformance23 PhaseManagementCapability SoftStartonOvervoltage FailSafeOVPwithDualPathsPreventsOutput IntegratedBrownoutOver-VoltageConditions CausedbyVoltage-SensingFailures ImprovedEfficiencyandDesignFlexibilityov erTraditional,Single-PhaseContinuous SensorlessCurrentShapingSimplifiesBoardC onductionMode(CCM)LayoutandImprovesEffic iency InputFilterandOutputCapacitorCurrent InrushSafeCurrentLimiting:Cancellation: PreventsMOSFET conductionduring Reducedcurrentrippleforhighersysteminrus hreliabilityandsmallerbulkcapacitor Eliminatesreverserecoveryeventsin ReducedEMIfiltersizeoutputrectifiers EnablesUseofLow-CostDiodeswithoutExtensi veSnubberCircuitry ImprovedLight-LoadEfficiency ImprovedTransientResponse CompleteSystem-LevelProtection 1- 100-Wto800-WPowerSupplies Gaming DtoASetTopBoxes Adapters LCD,PlasmaandDLP TVs HomeAudioSystemsTypicalApplicationCircui tRippleCurrentReduction1 Pleasebeawarethatanimportantnoticeconcer ningavailability,standardwarranty, 2008 2009, JUNE2008 OrderingInformation2 Elect
ucc28060 1natural interleaving features system features applications! + comp vref agnd pgnd vcc zcda zcdb gda cs gdb vinac vsense pwmcntl ucc28061 tset phb hvsen emi filter 400 vdc power good to downstream converter
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