Texas Instruments LMZ14201EXT Bedienungsanleitung

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V

IN

C

IN

Enable

R

ON

R

FBT

C

FF

C

SS

R

FBB

C

OUT

LMZ14201EXT

VOUT

FB

RON

SS

VIN

EN

GND

V

OUT

@ 1A

EFFICIENCY (%)

50

55

60

65

70

75

80

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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

Product

Folder

Sample &

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Technical

Documents

Tools &

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Support &

Community

LMZ14201EXT

SNVS664H–JUNE2010–REVISEDOCTOBER2015

LMZ14201EXT1-ASIMPLESWITCHER

®

PowerModuleWith42-VMaximumInputVoltage

forDemandingEnvironmentsandRuggedApplications

1Features2Applications

1

•JunctionTemperatureRange–55°Cto125°C

•Point-of-loadConversionsfrom12-Vand24-V

InputRail

•IntegratedShieldedInductor

•TimeCriticalProjects

•SimplePCBLayout

•SpaceConstrainedandHighThermal

•FlexibleStartupSequencingUsingExternalSoft-

RequirementApplications

StartandPrecisionEnable

•NegativeOutputVoltageApplications

•ProtectionAgainstInrushCurrentsandFaults

(SeeAN-2027SNVA425)

suchasInputUVLOandOutputShortCircuit

•SingleExposedPadandStandardPinoutforEasy

3Description

MountingandManufacturing

TheLMZ14201EXTSIMPLESWITCHER

®

power

•FastTransientResponseforPoweringFPGAs

moduleisaneasy-to-usestep-downDC-DCsolution

andASICs

capableofdrivingupto1-Aloadwithexceptional

•LowOutputVoltageRipple

powerconversionefficiency,lineandloadregulation,

andoutputaccuracy.TheLMZ14201EXTisavailable

•Pin-to-PinCompatibleWithFamilyDevices:

inaninnovativepackagethatenhancesthermal

–LMZ14203EXT/2EXT/1EXT

performanceandthedeviceallowsforhandor

(42-VMaximum3A,2A,1A)

machinesoldering.

–LMZ14203/2/1(42-VMaximum3A,2A,1A)

TheLMZ14201EXTcanacceptaninputvoltagerail

–LMZ12003/2/1(20-VMaximum3A,2A,1A)

between6Vand42Vandcandeliveranadjustable

•FullyEnabledforWEBENCH

®

PowerDesigner

andhighlyaccurateoutputvoltageaslowas0.8V.

TheLMZ14201EXTonlyrequiresthreeexternal

•ElectricalSpecifications

resistorsandfourexternalcapacitorstocompletethe

–6-WMaximumTotalOutputPower

powersolution.TheLMZ14201EXTisareliableand

–Upto1-AOutputCurrent

robustdesignwiththefollowingprotectionfeatures:

thermalshutdown,inputundervoltagelockout,output

–InputVoltageRange6Vto42V

overvoltageprotection,short-circuitprotection,output

–OutputVoltageRange0.8Vto6V

currentlimit,andallowsstartupintoaprebiased

–Efficiencyupto90%

output.Asingleresistoradjuststheswitching

•PerformanceBenefits

frequencyupto1MHz.

–LowRadiatedEmissionsandHighRadiated

DeviceInformation

(1)(2)

Immunity

PARTNUMBERPACKAGEBODYSIZE(NOM)

–PassesVibrationStandardMIL-STD-883

LMZ14201EXTTO-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.

Produktspezifikationen