Texas Instruments LMZ10503 Handleiding
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AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,
intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.
LMZ10503
SNVS641L–JANUARY2010–REVISEDAPRIL2019
LMZ105033-APowerModuleWith5.5-VMaximumInputVoltage
1
1Features
1
•IntegratedShieldedInductor
•FlexibleStart-upSequencingUsingExternalSoft
Start,Tracking,andPrecisionEnable
•ProtectionAgainstIn-RushCurrentsandFaults
SuchasInputUVLOandOutputShortCircuit
•SingleExposedPadandStandardPinoutforEasy
MountingandManufacturing
•Pin-to-PinCompatibleWith
–LMZ10504(4A/20WMaximum)
–LMZ10505(5A/25WMaximum)
•ElectricalSpecifications
–15-WMaximumTotalOutputPower
–Upto3-AOutputCurrent
–InputVoltageRange2.95Vto5.5V
–OutputVoltageRange0.8Vto5V
–±1.63%FeedbackVoltageAccuracyOver
Temperature
•PerformanceBenefits
–OperatesatHighAmbientTemperatures
–HighEfficiencyupto96%ReducesSystem
HeatGeneration
–LowRadiatedEmissions(EMI)Testedto
EN55022ClassBStandard(EN55022:2006,
+A1:2007,FCCPart15SubpartB:2007.See
Table9andlayoutinformationformore
regardingdeviceundertest.)
–FastTransientResponseforPoweringFPGAs
andASICs
•CreateaCustomDesignUsingtheLMZ10503
WiththeWEBENCH
®
PowerDesigner
2Applications
•Point-of-LoadConversionsFrom3.3-Vand5-V
Rails
•Space-ConstrainedApplications
•NoiseSensitiveApplications(thatis,Transceiver,
Medical)
3Description
TheLMZ10503powermoduleisacomplete,easy-to-
useDC-DCsolutioncapableofdrivinguptoa3-A
loadwithexceptionalpowerconversionefficiency,
outputvoltageaccuracy,lineandloadregulation.The
LMZ10503isavailableinaninnovativepackagethat
enhancesthermalperformanceandallowsforhand
ormachinesoldering.
TheLMZ10503canacceptaninputvoltagerail
between2.95Vand5.5Vandcandeliveran
adjustableandhighlyaccurateoutputvoltageaslow
as0.8V.Onemegahertzfixed-frequencyPWM
switchingprovidesapredictableEMIcharacteristic.
Twoexternalcompensationcomponentscanbe
adjustedtosetthefastestresponsetime,while
allowingtheoptiontouseceramicand/orelectrolytic
outputcapacitors.Externallyprogrammablesoft-start
capacitorfacilitatescontrolledstartup.TheLMZ10503
isareliableandrobustsolutionwiththefollowing
features:losslesscycle-by-cyclepeakcurrentlimitto
protectforovercurrentorshort-circuitfault,thermal
shutdown,inputundervoltagelockout,andprebiased
start-up.
DeviceInformation
(1)(2)
PARTNUMBERPACKAGEBODYSIZE(NOM)
LMZ10503TO-PMOD(7)10.16mm×9.85mm
(1)Forallavailablepackages,seetheorderableaddendumat
theendofthedatasheet.
(2)Peakreflowtemperatureequals245°C.SeeDesignSummary
LMZ1xxxandLMZ2xxxPowerModuleFamily(SNAA214)for
moredetails.
TypicalApplicationCircuitEfficiencyV
OUT
=3.3V
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | LMZ10503 |
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