OB3392K+Datasheet_钜豪照明_131008

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1、OB3392KHighPF,HighPrecisionOfflineLEDLightingControllerGENERALDESCRIPTIONFEATURESOB3392KisanofflineLEDlightingcontrollerwithHighpowerfactorprimarysidecontrol,highpowerfactorandhighHighprecisionconstantcurrentregulationatconstantcurrent(CC)precision,whichcanachievelowsystemcostforanisola

2、tedlightinguniversalACinputapplicationinasinglestageconverter.ItPrimary-sidesensingandregulationwithoutsignificantlysimplifiestheLEDlightingsystemTL431andopto-couplerdesignbyeliminatingthesecondarysidefeedbackcomponentsandtheopto-coupler.LowsystemcostandhighefficiencyQuasi-resonantoper

3、ationTheproprietaryCCcontrolschemeisusedandProgrammableCCregulationthesystemcanachievehighpowerfactorwithBuilt-inprimarywindinginductanceconstanton-timecontrolscheme.Quasi-resonant(QR)operationandclampingfrequencygreatlycompensation豪照明improvesthesystemefficiency.TheconstantBuilt-inline

4、compensationoutputcurrentiscompensatedfortoleranceofBuilt-inloadcompensationtransformerinductancevariation.Andtheline钜compensationandloadcompensationarebuiltinLEDshortcircuitprotectionOB3392KforhighpreciselyconstantoutputLEDopenloopprotectioncurrentcontrol.Cycle-by-cycletocurrentlimit

5、ingOB3392KofferscomprehensiveprotectionBuilt-inleadingedgeblanking(LEB)coveragewithauto-recoveryfeaturesincludingVDDundervoltagelockoutwithhysteresisLEDopenloopprotection,LEDshortcircuitVDDovervoltageprotectionprotection,cycle-by-cyclecurrentlimiting,built-inleadingedgeblanking,VDDunde

6、rvoltagelockoutOvertemperatureprotection(OTP)(UVLO),etc.APPLICATIONSOB3392KisofferedinSOT23-6package.LEDlightingTYPICALAPPLICATIONConfidentialOn-Bright©On-BrightElectronicsConfidentialPreliminaryDatasheetOB_DOC_DS_3392K00-1-OB3392KHighPF,HighPrecisionOfflineLEDLightingControllerGENERALI

7、NFORMATIONPackageDissipationRatingPinConfigurationPackageRθJA(℃/W)ThepinmapisshownasbelowforSOT23-6.SOT23-6200AbsoluteMaximumRatingsParameterValueVDDVoltage-0.3to40VGateVoltage-0.3to13VCSInputVoltage-0.3to7VFBInputVoltage-0.3to7VCOMPVoltage-0.3to7VMin/MaxOperating-4