HF6218深圳恒锐丰科技+稳压IC+SOT23-5+DFN2×2-6L.pdf

HF6218深圳恒锐丰科技+稳压IC+SOT23-5+DFN2×2-6L.pdf

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HF6218

6.0V,HighPSRR,800mAHigh-SpeedAdjustableLDO

GeneralDescription

TheHF6218areCMOS-basedlow-dropout,low-powerlinearregulators,offering800-mAwithlowdropoutvoltage,

highripplerejection,highoutputaccuracyandlowsupplycurrent.TheHF6218consistofanaccuratevoltage-reference

block,anerroramplifier,avoltage-settingresistornet,aPMOSFETpassdevice,athermal-shutdowncircuit,anda

currentlimitcircuitwithshortprotection.

TheHF6218useatypeofoutstandingCMOSprocesstominimizethesupplycurrent.Alowon-resistancePMOS

passdeviceisequippedforlowerdropoutvoltage.HF6218alsopossesstheENfunctionconsumestypically1µAin

shutdownmode,tosavemoreenergyandextendthebatterylife.

Features

LowPowerConsumption:50µA(Typ)Over-TemperatureProtection

MaximumOutputCurrent:800mABuilt-inInrushCurrentSuppressionCircuitand

LowDropoutVoltage:40mV@100mA(VOUT3.3V)CurrentLimit

OperatingVoltageRange:2.0V~6.0VLowTemperatureCoefficient

AdjustOutputVoltageRange:0.8Vto5.0VStablewithCeramicCapacitor

(ExternallyResistanceSet)Built-inAuto-dischargingCircuit

HighPSRR:80dB@1kHzRoHSCompliantandLead(Pb)Free

ExcellentLoad/LineTransientResponse-40°Cto+85°COperatingTemperatureRange

IntegratedShort-CircuitProtectionAvailableinGreenSOT23-5L、DFN2X2-6LPackages

Applications

Battery-poweredequipmentLowPowerMicrocontrollers

WirelessCommunicationEquipmentConstant-voltagepowersupplyforTV,NotebookPC

Audio/VideoEquipment

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