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0123456

Output Current (A)

Efficiency (%)

PV

IN

= V

IN

= 5 V

PV

IN

= V

IN

= 12 V

V

OUT

= 3.3 V

f

SW

= 630 kHz

LMZ31506H

PWRGD

SENSE+

VOUT

VIN

PVIN

INH/UVLO

RT/CLK

VADJ

SS/TR

STSEL

AGND

PGND

C

IN

R

SET

C

OUT

V

OUT

V

IN

Product

Folder

Order

Now

Technical

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AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

LMZ31506H

SNVS996B–JULY2013–REVISEDAPRIL2018

LMZ31506H6-APowerModuleWith

4.5-Vto14.5-VInputinQFNPackage

1

1Features

1

•CompleteIntegratedPowerSolutionAllows

SmallFootprint,Low-ProfileDesign

•9-mm×15-mm×2.8-mmpackage

•EfficienciesUpTo96%

•Wide-OutputVoltageAdjust

1.2Vto5.5V,with1%ReferenceAccuracy

•OptionalSplitPowerRailallows

InputVoltageDownto1.7V

•AdjustableSwitchingFrequency

(480kHzto780kHz)

•SynchronizestoanExternalClock

•AdjustableSlow-Start

•OutputVoltageSequencingandTracking

•PowerGoodOutput

•ProgrammableUndervoltageLockout(UVLO)

•OutputOvercurrentProtection

•OverTemperatureProtection

•Pre-biasOutputStart-up

•OperatingTemperatureRange:–40°Cto+85°C

•EnhancedThermalPerformance:13°C/W

•MeetsEN55022ClassBEmissions

-IntegratedShieldedInductor

•CreateaCustomDesignUsingtheLMZ31506H

WiththeWEBENCH

®

PowerDesigner

2Applications

•BroadbandandCommunicationsInfrastructure

•AutomatedTestandMedicalEquipment

•CompactPCI/PCIExpress/PXIExpress

•DSPandFPGAPointofLoadApplications

•High-DensityDistributedPowerSystems

Efficiency

3Description

TheLMZ31506Hpowermoduleisaneasy-to-use

integratedpowersolutionthatcombinesa6-ADC-to-

DCconverterwithpowerMOSFETs,ashielded

inductor,andpassivesintoalowprofile,QFN

package.Thistotalpowersolutionallowsasfewas3

externalcomponentsandeliminatestheloop

compensationandmagneticspartselectionprocess.

The9×15×2.8mmQFNpackageiseasytosolder

ontoaprintedcircuitboardandallowsacompact

point-of-loaddesignwithgreaterthan90%efficiency

andexcellentpowerdissipationwithathermal

impedanceof13°C/Wjunctiontoambient.The

devicedeliversthefull6-Aratedoutputcurrentat

85°Cambienttemperaturewithoutairflow.

TheLMZ31506Hofferstheflexibilityandthefeature-

setofadiscretepoint-of-loaddesignandisidealfor

poweringperformanceDSPsandFPGAs.Advanced

packagingtechnologyaffordarobustandreliable

powersolutioncompatiblewithstandardQFN

mountingandtestingtechniques.

SimplifiedApplication

Produktspecifikationer