Texas Instruments LMZ10504 Bedienungsanleitung

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AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

LMZ10504

SNVS610P–DECEMBER2009–REVISEDAPRIL2019

LMZ105044-APowerModuleWith5.5-VMaximumInputVoltage

1

1Features

1

•IntegratedShieldedInductor

•FlexibleStart-UpSequencingUsingExternalSoft-

Start,Tracking,andPrecisionEnable

•ProtectionAgainstIn-RushCurrentsandFaults

SuchasInputUVLOandOutputShortCircuit

•SingleExposedPadandStandardPinoutforEasy

MountingandManufacturing

•Pin-to-PinCompatibleWith

–LMZ10503(3-A/15-WMaximum)

–LMZ10505(5-A/25-WMaximum)

•FullyEnableforWEBENCH

®

andPowerDesigner

•ElectricalSpecifications

–20-WMaximumTotalOutputPower

–Upto4-AOutputCurrent

–InputVoltageRange:2.95Vto5.5V

–OutputVoltageRange:0.8Vto5V

–±1.63%FeedbackVoltageAccuracyOver

Temperature

•PerformanceBenefits

–OperatesatHighAmbientTemperatures

–HighEfficiencyupto96%ReducesSystem

HeatGeneration

–LowRadiatedEmissions(EMI)Testedto

EN55022ClassBStandard(EN55022:2006,

+A1:2007,FCCPart15SubpartB:2007.See

Table9andLayoutforInformationonDevice

UnderTest.)

–Passes10-V/mRadiatedImmunityEMITested

toStandardEN610004-3

–FastTransientResponseforPoweringFPGAs

andASICs

•CreateaCustomDesignUsingtheLMZ10504

WiththeWEBENCH

®

PowerDesigner

2Applications

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

Rails

•Space-ConstrainedApplications

•Noise-SensitiveApplications(Suchas

Transceiver,Medical)

3Description

TheLMZ10504powermoduleisacomplete,easy-to-

use,DC-DCsolutioncapableofdrivinguptoa4-A

loadwithexceptionalpowerconversionefficiency,

outputvoltageaccuracy,andlineandloadregulation.

TheLMZ10504isavailableinaninnovativepackage

thatenhancesthermalperformanceandallowsfor

handormachinesoldering.

TheLMZ10504canacceptaninputvoltagerail

between2.95Vand5.5V,andcandeliveran

adjustableandhighlyaccurateoutputvoltageaslow

as0.8V.1-MHzfixed-frequencyPWMswitching

providesapredictableEMIcharacteristic.Two

externalcompensationcomponentscanbeadjusted

tosetthefastestresponsetime,whileallowingthe

optiontouseceramicorelectrolyticoutputcapacitors.

Externallyprogrammablesoft-startcapacitor

facilitatescontrolledstart-up.TheLMZ10504isa

reliableandrobustsolutionwiththefollowing

features:losslesscycle-by-cyclepeakcurrentlimitto

protectforovercurrentorshort-circuitfault,thermal

shutdown,inputundervoltagelockout,andprebiased

start-up.

DeviceInformation

(1)(2)

PARTNUMBERPACKAGEBODYSIZE(NOM)

LMZ10504TO-PMOD(7)9.85mm×10.16mm

(1)Forallavailablepackages,seetheorderableaddendumat

theendofthedatasheet.

(2)Peakreflowtemperatureequals245°C.SeeDesignSummary

LMZ1xxxandLMZ2xxxPowerModuleFamilyformore

details.

TypicalApplicationCircuitEfficiencyV

OUT

=3.3V

Produktspezifikationen