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INOUT

GND

ENPG

LP5912

V

OUT

V

IN

NC

C

IN

C

OUT

R

PG

V

EN

V

PG

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Reference

Design

AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

LP5912

SNVSA77D–DECEMBER2015–REVISEDNOVEMBER2016

LP5912500-mALow-Noise,Low-I

Q

LDO

1

1Features

1

•InputVoltageRange:1.6Vto6.5V

•OutputVoltageRange:0.8Vto5.5V

•OutputCurrentupto500mA

•LowOutput-VoltageNoise:12µV

RMS

Typical

•PSRRat1kHz:75dBTypical

•OutputVoltageTolerance(V

OUT

≥3.3V):±2%

•LowI

Q

(Enabled,NoLoad):30µATypical

•LowDropout(V

OUT

≥3.3V):95mVTypicalat

500-mALoad

•StableWith1-µFCeramicInputandOutput

Capacitors

•Thermal-OverloadandShort-CircuitProtection

•ReverseCurrentProtection

•NoNoiseBypassCapacitorRequired

•OutputAutomaticDischargeforFastTurnoff

•Power-GoodOutputWith140-µsTypicalDelay

•InternalSoft-StarttoLimittheIn-rushCurrent

•–40°Cto+125°COperatingJunctionTemperature

Range

2Applications

•CameraModules

•Sensors

•HiFiAudioRadioTransceivers

•PLL/Synthesizer,Clocking

•Medium-Current,Noise-SensitiveApplications

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3Description

TheLP5912islow-noiseLDOthatcansupplyupto

500mAofoutputcurrent.Designedtomeetthe

requirementsofRFandanalogcircuits,theLP5912

deviceprovideslownoise,highPSRR,lowquiescent

current,andlowlineandloadtransientresponse.

TheLP5912offersclass-leadingnoiseperformance

withoutanoisebypasscapacitorandwiththeability

forremoteoutputcapacitanceplacement.

Thedeviceisdesignedtoworkwitha1-µFinputand

a1-µFoutputceramiccapacitor(noseparatenoise

bypasscapacitorrequired).

Thisdeviceisavailablewithfixedoutputvoltages

from0.8Vto5.5Vin25-mVsteps.ContactTexas

InstrumentsSalesforspecificvoltageoptionneeds.

DeviceInformation

(1)

PARTNUMBERPACKAGEBODYSIZE(NOM)

LP5912WSON(6)2.00mm×2.00mm

(1)Forallavailablepackages,seethePackageOption

Addendum(POA)attheendofthisdatasheet.

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SimplifiedSchematic

Produktspecifikationer