Texas Instruments LMZ10503EXT Bedienungsanleitung
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LMZ10503EXT
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V
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AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,
intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.
LMZ10503EXT
SNVS668J–JUNE2010–REVISEDAPRIL2019
LMZ10503EXT3-APowerModuleWith5.5-VMaximumInputVoltageforDemandingand
RuggedApplications
1
1Features
1
•IntegratedShieldedInductor
•FlexibleStart-upSequencingUsingExternalSoft
Start,Tracking,andPrecisionEnable
•ProtectionAgainstIn-RushCurrentsandFaults
SuchasInputUVLOandOutputShort-Circuit
•SingleExposedPadandStandardPinoutforEasy
MountingandManufacturing
•Pin-to-PinCompatibleWith
–LMZ10504EXT(4-A/20-WMaximum)
–LMZ10505EXT(5-A/25-WMaximum)
•FastTransientResponseforPoweringFPGAs
andASICs
•ElectricalSpecifications
–15-WMaximumTotalOutputPower
–Upto3-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
–CreateaCustomDesignUsingtheLMZ10503
WiththeWEBENCH
®
PowerDesigner
2Applications
•Point-of-LoadConversionsFrom3.3-Vand5-V
Rails
•Space-ConstrainedApplications
•Noise-SensitiveApplications(Suchas
Transceiver,Medical)
3Description
TheLMZ10503EXTpowermoduleisacomplete,
easy-to-use,DC-DCsolutioncapableofdrivingupto
a3-Aloadwithexceptionalpowerconversion
efficiency,outputvoltageaccuracy,lineandload
regulation.TheLMZ10503EXTisavailableinan
innovativepackagethatenhancesthermal
performanceandallowsforhandormachine
soldering.
TheLMZ10503EXTacceptsaninputvoltagerail
between2.95Vand5.5Vanddeliversanadjustable
andhighlyaccurateoutputvoltageaslowas0.8V.1-
MHzfixed-frequencyPWMswitchingprovidesa
predictableEMIcharacteristic.Twoexternal
compensationcomponentscanbeadjustedtosetthe
fastestresponsetime,whileallowingtheoptionto
useceramicorelectrolyticoutputcapacitors.
Externallyprogrammablesoft-startcapacitor
facilitatescontrolledstart-up.TheLMZ10503EXTisa
reliableandrobustsolutionwiththefollowing
features:losslesscycle-by-cyclepeakcurrentlimitto
protectforovercurrentorshort-circuitfault,thermal
shutdown,inputundervoltagelockout,andprebiased
start-up.TheLMZ10503EXTisalsofully-enabledfor
WEBENCH
®
andPowerDesignertools.
DeviceInformation
(1)(2)
PARTNUMBERPACKAGEBODYSIZE(NOM)
LMZ10503EXTTO-PMOD(7)9.85mm×10.16mm
(1)Forallavailablepackages,seetheorderableaddendumat
theendofthedatasheet.
(2)Peakreflowtemperatureequals245°C.SeeDesignSummary
LMZ1xxxandLMZ2xxxPowerModuleFamilyformore
details.
TypicalApplicationCircuit
EfficiencyV
OUT
=3.3V
Produktspezifikationen
| Marke: | Texas Instruments |
| Kategorie: | Nicht kategorisiert |
| Modell: | LMZ10503EXT |
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