XL6008 升压型直流电源变换器芯片

《XL6008 升压型直流电源变换器芯片》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、XL6008400KHz60V3ASwitchingCurrentBoost/Buck-Boost/InvertingDC/DCConverterFeaturesGeneralDescriptionWide3.6Vto32VInputVoltageRangeTheXL6008regulatorisawideinputrange,PositiveorNegativeOutputVoltagecurrentmode,DC/DCconverterwhichisProgrammingwithaSingleFeedbackPincapableofgeneratingeitherpositive

2、orCurrentModeControlProvidesExcellentnegativeoutputvoltages.ItcanbeconfiguredTransientResponseaseitheraboost,flyback,SEPICorinverting1.25Vreferenceadjustableversionconverter.TheXL6008builtinN-channelFixed400KHzSwitchingFrequencypowerMOSFETandfixedfrequencyMaximum3ASwitchingCurrentoscillator,cur

3、rent-modearchitectureresultsinSWPINBuiltinOverVoltageProtectionstableoperationoverawiderangeofsupplyExcellentlineandloadregulationandoutputvoltages.ENPINTTLshutdowncapabilityTheXL6008regulatorisspecialdesignforInternalOptimizePowerMOSFETportableelectronicequipment.Highefficiencyupto92%BuiltinFr

4、equencyCompensationBuiltinSoft-StartFunctionBuiltinThermalShutdownFunctionBuiltinCurrentLimitFunctionAvailableinTO252-5LpackageApplicationsAutomotiveandIndustrialBoost/Buck-Boost/InvertingConvertersPortableElectronicEquipmentFigure1.PackageTypeofXL6008Rev1.20755-825438211XL6008400KHz60V3ASwitch

5、ingCurrentBoost/Buck-Boost/InvertingDC/DCConverterPinConfigurationsFigure2.PinConfigurationofXL6008(TopView)Table1PinDescriptionPinNumberPinNameDescription1GNDGroundPin.EnablePin.DriveENpinlowtoturnoffthedevice,driveit2ENhightoturniton.Floatingisdefaulthigh.3SWPowerSwitchOutputPin(SW).SupplyVol

6、tageInputPin.XL6008operatesfroma3.6Vto4VIN32VDCvoltage.BypassVintoGNDwithasuitablylargecapacitortoeliminatenoiseontheinput.5FBFeedbackPin(FB).Thefeedbackthresholdvoltageis1.25V.Rev1.20755-825438212XL6008400KHz60V3ASwitchingCurrentBoost/Buck-Boost/InvertingDC/DCConverterFunctionBlockFigure3.Func

7、tionBlockDiagramofXL6008TypicalApplicationCircuitFigure4.XL6008TypicalApplicationCircuit(BoostConverter)Rev1.20755-825438213XL6008400KHz60V3ASwitchingCurrentBoost/Buck-Boost/InvertingDC/DCConverterOrderingInformationOrderInformati