Texas Instruments LMZ10504EXT Bedienungsanleitung

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AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

LMZ10504EXT

SNVS670J–JUNE2010–REVISEDAPRIL2019

LMZ10504EXT4-APowerModuleWith5.5-VMaximumInputVoltageforDemandingand

RuggedApplications

1

1Features

1

•IntegratedShieldedInductor

•FlexibleStart-upSequencingUsingExternalSoft

Start,Tracking,andPrecisionEnable

•ProtectionAgainstIn-RushCurrentsandFaults

SuchasInputUVLOandOutputShort-Circuit

•SingleExposedPadandStandardPinoutforEasy

MountingandManufacturing

•Pin-to-PinCompatibleWith

–LMZ10503EXT(3-A/15-WMaximum)

–LMZ10505EXT(5-A/25-WMaximum)

•FastTransientResponseforPoweringFPGAs

andASICs

•ElectricalSpecifications

–20-WMaximumTotalOutputPower

–Upto4-AOutputCurrent

–InputVoltageRange2.95Vto5.5V

–OutputVoltageRange0.8Vto5V

–±1.63%FeedbackVoltageAccuracyOver

Temperature

•PerformanceBenefits

–OperatesatHighAmbientTemperatures

–LowRadiatedEmissions(EMI)Testedto

EN55022ClassBStandard

–Passes10-V/mRadiatedImmunityEMITested

toStandardEN610004-3

–PassesVibrationStandard

–MIL-STD-883Method2007.2ConditionA

–JESD22-B103BCondition1

–PassesDropStandard

–MIL-STD-883Method2002.3ConditionB

–JESD22-B110ConditionB

•CreateaCustomDesignUsingtheLMZ10504

WiththeWEBENCH

®

PowerDesigner

2Applications

•Point-of-LoadConversionsfrom3.3-Vand5-V

Rails

•Space-ConstrainedApplications

•NoiseSensitiveApplications(Suchas

Transceiver,Medical)

3Description

TheLMZ10504EXTpowermoduleisacomplete,

easy-to-use,DC-DCsolutioncapableofdrivingupto

a4-Aloadwithexceptionalpowerconversion

efficiency,outputvoltageaccuracy,lineandload

regulation.TheLMZ10504EXTisavailableinan

innovativepackagethatenhancesthermal

performanceandallowsforhandormachine

soldering.

TheLMZ10504EXTcanacceptaninputvoltagerail

between2.95Vand5.5V,anddeliveranadjustable

andhighlyaccurateoutputvoltageaslowas0.8V.1-

MHzfixed-frequencyPWMswitchingprovidesa

predictableEMIcharacteristic.Twoexternal

compensationcomponentscanbeadjustedtosetthe

fastestresponsetime,whileallowingtheoptionto

useceramicorelectrolyticoutputcapacitors.

Externallyprogrammablesoft-startcapacitor

facilitatescontrolledstart-up.TheLMZ10504EXTisa

reliableandrobustsolutionwiththefollowing

features:losslesscycle-by-cyclepeakcurrentlimitto

protectforovercurrentorshort-circuitfault,thermal

shutdown,inputundervoltagelockout,andprebiased

start-up.TheLMZ10504EXTisalsofully-enabledfor

WEBENCH

®

andPowerDesignertools.

DeviceInformation

(1)(2)

PARTNUMBERPACKAGEBODYSIZE(NOM)

LMZ10504EXTTO-PMOD(7)9.85mm×10.16mm

(1)Forallavailablepackages,seetheorderableaddendumat

theendofthedatasheet.

(2)Peakreflowtemperatureequals245°C.SeeDesignSummary

LMZ1xxxandLMZ2xxxPowerModuleFamilyformore

details.

TypicalApplicationCircuitEfficiencyV

OUT

=3.3V

Produktspezifikationen