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RCR5602SK(B)1/7①②③Units:mm④⑤100mΩPowerDistributionSwitcheszFeatures•100mΩTyp.High-SideNMOSFET(SOT-23-5)•Guaranteed800mAContinuousCurrent•900mACurrentLimit•SmallSOT-23-5PackageMinimizesBoardSpace•SoftStart•ThermalProtection•Low23μASupplyCurrent•ThermalShutdown•WideInputVoltageRange:2.2Vto6VzGeneralDescriptionTheRCR5602SK(B)isanintegrated100mΩpowerswitchforself-poweredandbus-poweredUniversalSeriesBus(USB)applications.Abuilt-inchargepumpisusedtodrivetheN-ChannelMOSFETthatisfreeofparasiticbodydiodetoeliminateanyreversedcurrentflowacrosstheswitchwhenitispoweredoff.Itslowquiescentcurrent(23μA)andsmallpackage(SOT-23-5)isparticularlysuitableinbattery-poweredportableequipment.Severalprotectionfunctionsincludesoftstarttolimitinrushcurrentduringplug-in,currentlimitingat900mAtomeetUSBpowerrequirement,andthermalshutdowntoprotectdamageunderovercurrentconditions.zApplications•Battery-PoweredEquipment•MotherboardUSBPowerSwitch•USBDevicePowerSwitch•Hot-PlugPowerSupplies•Battery-ChargerCircuitszPackageInformationzPinConfigurationsPinNumberPinNamePinDescription1、5VOUTOutputVoltage2GNDGroundRCR5602SK(B)2/73VINPowerInputVoltage4ENChipEnable(ActiveHigh)zFunctionBlockDiagramzOrderingInformationRCR5602□□□VersionnumberA;BPackgaeTypeSK:SOT23-5LIndicatetheproductnumberzAbsoluteMaximumRatingsParameterSymbolRatingsUnitInputVoltageVIN-0.3to7VOutputVoltageVOUT-0.3to7VChipEnableVoltageVEN-0.3to7VMaximumPowerDissipationPd400mWOperatingJunctionTemperatureTopr-40to125°CStorageTemperatureRangeTstg-65to150°CzElectricalCharacteristicsVIN=5V,CIN=COUT=1μF,TA=25°C,unlessotherwisespecified.ParameterSymbolTestConditionsMinTypMaxUnitsInputVoltageRangeVIN2.26VOutputNMOSFETRDS(ON)RDS(ON)IL=1A76100mΩQuiescentCurrentIQVIN=3V1940μARCR5602SK(B)3/7VIN=5V2345OutputTurn-OnRisingTimeTRRL=10Ω,90%Settling400μsCurrentLimitThresholdILIMITRL=2Ω0.80.91AShort-circuitFoldBackCurrentIOSVOUT=0V,measuredpriortothermalshutdown1.0AENInputHighThreshold2.0VENInputLowThreshold0.8VShutdownSupplyCurrentIOFFEN0.11μAOutputLeakageCurrentILEAKAGEEN=“0”VOUT=0V0.510μAVINUnderVoltageLockoutUVLO1.31.8VVINUnderVoltageHysteresis100mVThermalLimitTSD130℃ThermalLimitHysteresisΔTSD20℃zTypicalApplicationCircuitCIN=1μF,COUT=470μF(LowESR)onM/BCIN=1μF,COUT=330μF(LowESR)onNotebookCIN=10μF,COUT=4.7μFonUSBdeviceRCR5602SK(B)4/7zTypicalCharacteristicsRCR5602SK(B)5/7RCR5602SK(B)6/7RCR5602SK(B)7/7DISCLAIMERYUKUNSEMICONDUCTORRESERVESTHERIGHTTOMAKECHANGESWITHOUTFURTHERNOTICETOANYPRODUCTSHEREINTOIMPROVERELIABILITY,FUNCTIONORDESIGN.YUKUNDOESNOTASSUMEANYLIABILITYARISINGOUTOFTHEAPPLICATIONORUSEOFANYPRODUCTORCIRCUITDESCRIBEDHEREIN;NEITHERDOESITCONVEYANYLICENCEUNDERITSPATENTRIGHTS,NORTHERIGHTSOFOTHERS.