Texas Instruments LP3990-Q1 Handleiding

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EN

INOUT

GND

V

IN

V

EN

GND

V

OUT

LP3990

C

OUT

1 µF

C

IN

1 µF

OFF

ON

GND

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LP3990-Q1

SNVSA66A–OCTOBER2014–REVISEDDECEMBER2015

LP3990-Q1150-mALinearVoltageRegulatorforDigitalApplications

1Features3Description

TheLP3990-Q1regulatorisdesignedtomeetthe

1

•QualifiedforAutomotiveApplications

requirementsofportable,battery-poweredsystems

•AEC-Q100QualifiedWiththeFollowingResults

providinganaccurateoutputvoltage,low-noise,and

–DeviceTemperatureGrade1:–40°Cto

low-quiescentcurrent.TheLP3990-Q1willprovidea

+125°CAmbientOperatingTemperature

0.8-Voutputfromthelowinputvoltageof2Vatupto

a150-mAloadcurrent.Whenswitchedintoshutdown

Range

modeviaalogicsignalattheenablepin(EN),the

•InputVoltageRange:2Vto6V

powerconsumptionisreducedtovirtuallyzero.

•1%VoltageAccuracyatRoomTemperature

TheLP3990-Q1isdesignedtobestablewithspace-

•OutputVoltageRange:0.8Vto3.3V

savingceramiccapacitorswithvaluesaslowas1µF.

•OutputCurrent:150mA

Performanceisspecifiedfora–40°Cto+125°C

•LogicControlledEnable

junctiontemperaturerange.

•Thermal-OverloadandShort-CircuitProtection

Foroutputvoltageoptionspleaserefertopackage

•VirtuallyZeroI

Q

(Disabled),<10nA

optionaddendum(POA)orcontacttheTexas

•VeryLowI

Q

(Enabled):43µA

InstrumentsSalesOffice.

•LowOutputNoise:150µV

RMS

DeviceInformation

(1)

•PSRR:55dBat1kHz

PARTNUMBERPACKAGEBODYSIZE

•FastStart-Up:105µs

LP3990-Q1DSBGA(4)1.324mmx1.045mm(MAX)

•StablewithCeramicCapacitor

(1)Forallavailablepackages,seetheorderableaddendumat

•OutputStable-Capacitors,1µF

theendofthedatasheet.

•NoNoiseBypassCapacitorRequired

2Applications

•Infotainment

•Instrumentation

•BodyElectronics

SimplifiedSchematic

1

AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

Product specificaties