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LP38500-ADJ

,

LP38502-ADJ

SNVS539H–NOVEMBER2007–REVISEDSEPTEMBER2015

LP3850x-ADJ,LP3850xA-ADJ1.5-AFlexcapLow-DropoutLinearRegulator

for2.7-Vto5.5-VInputs

1Features3Description

TI'sFlexCaplow-dropout(LDO)linearregulators

1

•InputVoltage:2.7Vto5.5V

featureuniquecompensationthatallowuseofany

•AdjustableOutputVoltage:0.6Vto5V

typeofoutputcapacitorwithnolimitsonminimumor

•FlexCap:StablewithCeramic,Tantalum,or

maximumequivalentseriesresistance(ESR).The

AluminumCapacitors

LP38500andLP38502seriesofLDOsoperatesfrom

a2.7-Vto5.5-Vinputsupply.Theseultra-low-dropout

•Stablewith10-µFInputandOutputCapacitors

linearregulatorsrespondveryquicklytostep

•LowGround-PinCurrent

changesinload,makingthemsuitableforlow-voltage

•25-nAQuiescentCurrentinShutdownMode

microprocessorapplications.DevelopedonaCMOS

process(utilizingaPMOSpasstransistor)the

•EnsuredOutputCurrentof1.5A

LP38500-ADJandLP38502-ADJhavelowquiescent

•EnsuredV

ADJ

Accuracyof±1.5%at25°C(A

currentsthatchangeslittlewithloadcurrent.

Grade)

•GNDPinCurrent:Typically2mAat1.5-Aload

•EnsuredAccuracyof±3.5%at25°C(STD)

current.

•OvertemperatureandOvercurrentProtection

•DisableMode:Typically25-nAquiescentcurrent

•ENABLEPin(LP38502)

whentheENpinispulledlow.(LP38502-ADJ)

•SimplifiedCompensation:Stablewithanytypeof

2Applications

outputcapacitor,regardlessofESR.

•PrecisionOutput:Agradeversionsavailablewith

•ASICPowerSuppliesIn:

1.5%V

ADJ

tolerance(25°C)and3%overline,

–Printers,GraphicsCards,DVDPlayers

load,andtemperature.

–SetTopBoxes,Copiers,Routers

DeviceInformation

(1)

•DSPandFPGAPowerSupplies

PARTNUMBERPACKAGEBODYSIZE(NOM)

•SMPSRegulator

DDPAK/TO-263(5)10.16mmx8.42mm

•Conversionfrom3.3-Vor5-VRail

LP38500

TO-263(5)10.16mmx9.85mm

LP38502

WSON(8)3.00mmx2.50mm

(1)Forallavailablepackages,seetheorderableaddendumat

theendofthedatasheet.

TypicalCircuit(LP38500)

TypicalCircuit(LP38502)

1

AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

Product specificaties