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1、XC6219SeriesHighSpeedLDORegulators,LowESRCap.Compatible,ON/OFFSwitchOctober4,2004V5CMOSLowPowerConsumptionAPPLICATIONSDropoutVoltage60mV@30mAMobilephones200mV@100mACordlessphonesandradiocommunicationequipmentOutputCurrent150mA(VOUT<1.75V)Portablegames240mA(VOUT>1.8V)Cameras,videocamer
2、as(300mAlimit)ReferencevoltagesourcesHighlyAccurate+2%Batterypoweredequipment(+30mVwhenVOUT>1.5V)OutputVoltageRange0.9Vto5.0V(50mVincrements)LowESRCeramicCapacitorCompatibleGENERALDESCRIPTIONFEATURESTheXC6219seriesarehighlyaccurate,lownoise,CMOSLDOMaximumOutputCurrent150mA(VOUT<1.75V)
3、VoltageRegulators.Offeringlowoutputnoise,highripplerejection240mA(VOUT>1.8V)ratio,lowdropoutandveryfastturn-ontimes,theXC6219series(300mAlimit(TYP))isidealfortoday’scuttingedgemobilephone.DropoutVoltage200mV(IOUT=100mA)InternallytheXC6219includesareferencevoltagesource,errorOperatingV
4、oltageRange2.0V~6.0Vamplifiers,drivertransistors,currentlimitersandphaseOutputVoltageRange0.9V~5.0V(50mVsteps)compensators.TheXC6219’scurrentlimiters'foldbackcircuitHighlyAccurate+2%(VOUT>1.5V)alsooperatesasashortprotectfortheoutputcurrentlimiterand.+30mV(VOUT<1.5V)theoutputpin.Theout
5、putvoltageissetbylasertrimming.LowPowerConsumption25μA(TYP.)Voltagesareselectablein50mVstepswithinarangeofStandbyCurrentLessthan0.1μA(TYP.)0.9Vto5.0V.TheXC6219seriesisalsofullycompatiblewithlowHighRippleRejection65dB(10kHz)ESRceramiccapacitors,reducingcostandimprovingoutputstability.O
6、peratingTemperatureRange-40OCto85OCThishighlevelofoutputstabilityismaintainedevenduringfrequentLowESRCeramicCompatibleCeramicCapacitorloadfluctuations,duetotheexcellenttransientresponseperformanceUltraSmallPackagesSOT-25(SOT-23-5)andhighPSRRachievedacrossabroadrangeoffrequencies.SOT-8
7、9TheCEfunctionallowstheoutputofregulatortobeturnedoff,USP-6Bresultingingreatlyreducedpowerconsumption.TheXC6219seriesisavailableintheSOT-25(SOT-23-5),SOT-89orUSP-6B‘chip-scale’package.Measuringonly2.0mmx1.8mmtheUSP-6BisperfectforapplicationswherePCBareaiscritical.TYPICALAPPLICATIONCIR
8、CUITT
