Texas Instruments LMZ14203H Handleiding
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EFFICIENCY (%)
OUTPUT CURRENT (A)
VIN = 15V
VIN = 24V
VIN = 30V
VIN = 36V
VIN = 42V
V
IN
C
IN
Enable
R
ON
R
FBT
C
FF
C
SS
R
FBB
C
OUT
LMZ14203H
VOUT
FB
RON
SS
VIN
EN
GND
V
OUT
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LMZ14203H
SNVS692G–JANUARY2011–REVISEDOCTOBER2015
LMZ14203HSIMPLESWITCHER
®
6Vto42V,3AHighOutputVoltagePowerModule
1Features2Applications
1
•IntegratedShieldedInductor
•IntermediateBusConversionsto12-Vand24-V
Rail
•SimplePCBLayout
•Time-CriticalProjects
•FlexibleStart-UpSequencingUsingExternalSoft-
StartandPrecisionEnable•SpaceConstrainedandHighThermal
RequirementApplications
•ProtectionAgainstInrushCurrents
•NegativeOutputVoltageApplications
•InputUVLOandOutputShort-CircuitProtection
•–40°Cto125°CJunctionTemperatureRange
3Description
•SingleExposedPadandStandardPinoutforEasy
TheLMZ14203HSIMPLESWITCHER
®
power
MountingandManufacturing
moduleisaneasy-to-usestep-downDC-DCsolution
•LowOutputVoltageRipple
thatcandriveupto3-Aloadwithexceptionalpower
conversionefficiency,lineandloadregulation,and
•Pin-to-PinCompatibleFamily:
outputaccuracy.TheLMZ14203Hisavailableinan
–LMZ14203H/2H/1H(42VMaximum,3-A,2-A,
innovativepackagethatenhancesthermal
1-A)
performanceandallowsforhandormachine
–LMZ14203/2/1(42VMaximum,3-A,2-A,1-A)
soldering.
–LMZ12003/2/1(20VMaximum,3-A,2-A,1-A)
TheLMZ14203Hcanacceptaninputvoltagerail
•FullyEnabledforWEBENCH
®
PowerDesigner
between6Vand42Vanddeliveranadjustableand
highlyaccurateoutputvoltageaslowas5V.The
•ElectricalSpecifications
LMZ14203Honlyrequiresthreeexternalresistors
–Upto3-AOutputCurrent
andfourexternalcapacitorstocompletethepower
–InputVoltageRange6Vto42V
solution.TheLMZ14203Hisareliableandrobust
designwiththefollowingprotectionfeatures:thermal
–OutputVoltageasLowas5V
shutdown,inputundervoltagelockout,output
–Efficiencyupto97%
overvoltageprotection,short-circuitprotection,output
•PerformanceBenefits
currentlimit,andallowsstart-upintoaprebiased
–HighEfficiencyReducesSystemHeat
output.Asingleresistoradjuststheswitching
frequencyupto1MHz.
Generation
–LowRadiatedEMI(EN55022ClassBTested)
DeviceInformation
(1)(2)
–NoCompensationRequired
PARTNUMBERPACKAGEBODYSIZE(NOM)
–LowPackageThermalResistance
LMZ14203HTO-PMOD(7)10.16mm×9.85mm
NOTE:EN55022:2006,+A1:2007,FCCPart15SubpartB:2007
(1)Forallavailablepackages,seetheorderableaddendumat
theendofthedatasheet.
(2)Peakreflowtemperatureequals245°C.SeeSNAA214for
moredetails.
SimplifiedApplicationSchematicEfficiencyV
OUT
=12V,T
A
=25°C
1
AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,
intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | LMZ14203H |
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