Texas Instruments LMZ14201 Handleiding
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EFFICIENCY (%)
50
55
60
65
70
75
80
85
90
95
100
0
0.2
0.40.60.81
OUTPUT CURRENT (A)
25°C
1.8
1.2
1.5
0.8
3.3
2.5
5.0
6.0
V
IN
C
IN
Enable
R
ON
R
FBT
C
FF
C
SS
R
FBB
C
OUT
LMZ14201
VOUT
FB
RON
SS
VIN
EN
GND
V
OUT
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Reference
Design
LMZ14201
SNVS649I–JANUARY2010–REVISEDOCTOBER2015
LMZ14201SIMPLESWITCHER
®
6Vto42V,1APowerModuleinLeadedSMT-TOPackage
1Features2Applications
1
•IntegratedShieldedInductor
•PointofLoadConversionsFrom12-Vand24-V
InputRail
•SimplePCBLayout
•Time-CriticalProjects
•FlexibleStart-UpSequencingUsingExternalSoft-
StartandPrecisionEnable•SpaceConstrainedandHighThermal
RequirementApplications
•ProtectionAgainstInrushCurrentsandFaults
SuchasInputUVLOandOutputShortCircuit•NegativeOutputVoltageApplications
(SeeAN-2027)SNVA425
•–40°Cto125°CJunctionTemperatureRange
•SingleExposedPadandStandardPinoutforEasy
3Description
MountingandManufacturing
TheLMZ14201SIMPLESWITCHER
®
powermodule
•FastTransientResponseforPoweringFPGAs
isaneasy-to-usestep-downDC-DCsolutionthatcan
andASICs
driveupto1-Aloadwithexceptionalpower
•LowOutputVoltageRipple
conversionefficiency,lineandloadregulation,and
outputaccuracy.TheLMZ14201isavailableinan
•Pin-to-PinCompatibleFamily:
innovativepackagethatenhancesthermal
–LMZ1420x(42VMaximum3A,2A,1A)
performanceandallowsforhandormachine
–LMZ1200x(20VMaximum3A,2A,1A)
soldering.
•FullyEnabledforWEBENCH
®
PowerDesigner
TheLMZ14201canacceptaninputvoltagerail
•ElectricalSpecifications
between6Vand42Vanddeliveranadjustableand
highlyaccurateoutputvoltageaslowas0.8V.The
–6-WMaximumTotalOutputPower
LMZ14201onlyrequiresthreeexternalresistorsand
–Upto1-AOutputCurrent
fourexternalcapacitorstocompletethepower
–InputVoltageRange6Vto42V
solution.TheLMZ14201isareliableandrobust
designwiththefollowingprotectionfeatures:thermal
–OutputVoltageRange0.8Vto6V
shutdown,inputUVLO,outputovervoltageprotection,
–Efficiencyupto90%
short-circuitprotection,outputcurrentlimit,and
•PerformanceBenefits
allowsstart-upintoaprebiasedoutput.Asingle
–OperatesatHighAmbientTemperatureWith
resistoradjuststheswitchingfrequencyupto1MHz.
NoThermalDerating
DeviceInformation
(1)(2)
–HighEfficiencyReducesSystemHeat
PARTNUMBERPACKAGEBODYSIZE(NOM)
Generation
LMZ14201TO-PMOD(7)10.16mm×9.85mm
–LowRadiatedEmissions(EMI)TestedWith
(1)Forallavailablepackages,seetheorderableaddendumat
EN55022ClassBStandard
theendofthedatasheet.
–LowExternalComponentCount
(2)Peakreflowtemperatureequals245°C.SeeSNAA214for
moredetails.
SimplifiedApplicationSchematic
Efficiency12-VInputat25°C
1
AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,
intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | LMZ14201 |
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