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LP3996-Q1

VIN

EN1

EN2

CBYP

SET

POR

VOUT1

VOUT2

1 PF1 PF

1 PF

V

IN

EN1

EN2

V

OUT1

V

OUT2

POR

470 k:

GND

10 nF

Sets delay

for POR

LP3996-Q1

www.ti.com

SNVSA17–OCTOBER2013

DualLinearRegulatorwith300mAand150mAOutputsandPower-On-Reset

CheckforSamples:LP3996-Q1

1

FEATURES

DESCRIPTION

TheLP3996-Q1isaduallowdropoutregulatorwith

2

•2LDOOutputswithIndependentEnable

power-on-resetcircuit.Thefirstregulatorcansource

•1.5%AccuracyatRoomTemperature,3%Over

150mA,whilethesecondiscapableofsourcing300

Temperature

mAandhasapower-on-resetfunctionincluded.

•Power-On-ResetFunctionwithAdjustable

TheLP3996-Q1provides1.5%accuracyrequiringan

Delay

ultralowquiescentcurrentof35µA.Separateenable

•ThermalShutdownProtection

pinsalloweachoutputoftheLP3996-Q1tobeshut

down,drawingvirtuallyzerocurrent.

•StablewithCeramicCapacitors

•QualifiedforAutomotiveApplications

Thedeviceisdesignedtobestablewithsmall

footprintceramiccapacitorsdownto1µF.An

•AEC-Q100TestGuidancewiththeFollowing

externalcapacitormaybeusedtosetthePORdelay

Results:

timeasrequired.

–DeviceTemperatureGrade1:–40°Cto

TheLP3996-Q1isavailableinfixedoutputvoltages

125°C

andcomesina10-pin,3mmx3mmpackage.

–DeviceHBMESDClassificationLevelH2

–DeviceCDMESDClassificationLevelC4B

KEYSPECIFICATIONS

•InputVoltageRange2.0Vto6.0V

APPLICATIONS

•LowDropoutVoltage210mVat300mA

•CellularHandsets

•Ultra-LowI

Q

(Enabled)35µA

•PDAs

•VirtuallyZeroI

Q

(Disabled)<10nA

•WirelessNetworkAdaptors

•PackageAvailableinLead-FreeOption

•Automotive

10-pin3mmx3mm

TypicalApplicationCircuit

1

Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsof

TexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.

2Alltrademarksarethepropertyoftheirrespectiveowners.

PRODUCTIONDATAinformationiscurrentasofpublicationdate.

Copyright©2013,TexasInstrumentsIncorporated

ProductsconformtospecificationsperthetermsoftheTexas

Instrumentsstandardwarranty.Productionprocessingdoesnot

necessarilyincludetestingofallparameters.

Produktspecifikationer