Texas Instruments LMZ14202EXT Handleiding
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EFFICIENCY (%)
50
55
60
65
70
75
80
85
90
95
100
0
0.4
0.81.21.62
25°C
1.8
1.2
1.5
2.5
3.3
5.0
6.0
OUTPUT CURRENT (A)
V
IN
C
IN
Enable
R
ON
R
FBT
C
FF
C
SS
R
FBB
C
OUT
LMZ14202EXT
VOUT
FB
RON
SS
VIN
EN
GND
V
OUT
@ 2A
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LMZ14202EXT
SNVS665H–JUNE2010–REVISEDOCTOBER2015
LMZ14202EXT2-ASIMPLESWITCHER
®
PowerModuleWith42-VMaximumInputVoltage
forDemandingEnvironmentsandRuggedApplications
1Features2Applications
1
•JunctionTemperatureRange–55°Cto125°C
•Point-of-loadConversionsfrom12-Vand24-V
InputRail
•IntegratedShieldedInductor
•TimeCriticalProjects
•SimplePCBLayout
•SpaceConstrainedandHighThermal
•FlexibleStart-upSequencingUsingExternalSoft-
RequirementApplications
StartandPrecisionEnable
•NegativeOutputVoltageApplications
•ProtectionAgainstInrushCurrentsandFaults
(SeeAN-2027SNVA425)
suchasInputUVLOandOutputShortCircuit
•SingleExposedPadandStandardPinoutforEasy
3Description
MountingandManufacturing
TheLMZ14202EXTSIMPLESWITCHER
®
power
•FastTransientResponseforPoweringFPGAs
moduleisaneasy-to-usestep-downDC-DCsolution
andASICs
capableofdrivingupto2-Aloadwithexceptional
•LowOutputVoltageRipple
powerconversionefficiency,lineandloadregulation,
andoutputaccuracy.TheLMZ14202EXTisavailable
•Pin-to-PinCompatibleWithFamilyDevices:
inaninnovativepackagethatenhancesthermal
–LMZ14203EXT/2EXT/1EXT
performanceandallowsforhandormachine
(42-VMaximum3A,2A,1A)
soldering.
–LMZ14203/2/1(42-VMaximum3A,2A,1A)
TheLMZ14202EXTcanacceptaninputvoltagerail
–LMZ12003/2/1(20-VMaximum3A,2A,1A)
between6Vand42Vandcandeliveranadjustable
•FullyEnabledforWEBENCH
®
PowerDesigner
andhighlyaccurateoutputvoltageaslowas0.8V.
TheLMZ14202EXTonlyrequiresthreeexternal
•ElectricalSpecifications
resistorsandfourexternalcapacitorstocompletethe
–12-WMaximumTotalOutputPower
powersolution.TheLMZ14202EXTisareliableand
–Upto2-AOutputCurrent
robustdesignwiththefollowingprotectionfeatures:
thermalshutdown,inputundervoltagelockout,output
–InputVoltageRange6Vto42V
overvoltageprotection,short-circuitprotection,output
–OutputVoltageRange0.8Vto6V
currentlimit,andthedeviceallowsstart-upintoa
–Efficiencyupto90%
prebiasedoutput.Asingleresistoradjuststhe
•PerformanceBenefits
switchingfrequencyupto1MHz.
–LowRadiatedEmissionsandHighRadiated
DeviceInformation
(1)(2)
Immunity
PARTNUMBERPACKAGEBODYSIZE(NOM)
–PassesVibrationStandardMIL-STD-883
LMZ14202EXTTO-PMOD(7)10.16mm×9.85mm
Method2007.2ConditionAJESD22–B103B
(1)Forallavailablepackages,seetheorderableaddendumat
Condition1
theendofthedatasheet.
–PassesDropStandardMIL-STD-883Method
(2)Peakreflowtemperatureequals245°C.SeeSNAA214for
2002.3ConditionBJESD22–B110ConditionB
moredetails.
SimplifiedApplicationSchematicEfficiency12-VInputat25°C
1
AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,
intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | LMZ14202EXT |
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