Texas Instruments LMZ12003 Bruksanvisning

Läs gratis den bruksanvisning för Texas Instruments LMZ12003 (29 sidor) i kategorin ej kategoriserat. Guiden har ansetts hjälpsam av 2 personer och har ett genomsnittsbetyg på 4.8 stjärnor baserat på 8 recensioner. Har du en fråga om Texas Instruments LMZ12003 eller vill du ställa frågor till andra användare av produkten? Ställ en fråga

50

55

60

65

70

75

80

85

90

95

100

00.51

1.5

2

2.5

3

0.8

1.2

1.5

1.8

2.5

3.3

5.0

25° C

OUTPUT CURRENT(A)

EFFICIENCY (%)

V

IN

C

IN

10 PF

Enable

R

ON

See Table

R

FBT

C

FF

0.022 PF

See Table

C

SS

0.022 PF

R

FBB

See Table

100 PF

LMZ12003

VOUT

FB

RON

SS

VIN

EN

GND

V

OUT

@ 3A

Product

Folder

Sample &

Buy

Technical

Documents

Tools &

Software

Support &

Community

LMZ12003

SNVS636O–DECEMBER2009–REVISEDAUGUST2015

LMZ120033-ASimpleSwitcher

®

PowerModulewith20-VMaximumInputVoltage

1Features2Applications

1

•IntegratedShieldedInductor

•Point-of-loadConversionsfrom5-Vand12-V

InputRail

•SimplePCBLayout

•Time-CriticalProjects

•FlexibleStart-upSequencingUsingExternalSoft-

startCapacitorandPrecisionEnable•Space-ConstrainedHighThermalRequirement

Applications

•ProtectionAgainstInrushCurrentsandFaults

suchasInputUVLOandOutputShortCircuit•NegativeOutputVoltageApplications

(SeeAN-2027)SNVA425

•JunctionTemperatureRange–40°Cto125°C

•SingleExposedPadandStandardPinoutforEasy

3Description

MountingandManufacturing

TheLMZ12003SIMPLESWITCHER

®

powermodule

•FastTransientResponseforFPGAsandASICs

isaneasy-to-usestep-downDC-DCsolutioncapable

•LowOutputVoltageRipple

ofdrivingupto3-Aloadwithexceptionalpower

conversionefficiency,lineandloadregulation,and

•Pin-to-PinCompatibleWithDevices:

outputaccuracy.TheLMZ12003isavailableinan

–LMZ14203/2/1(42-VMaximum3A,2A,1A)

innovativepackagethatenhancesthermal

–LMZ12003/2/1(20-VMaximum3A,2A,1A)

performanceandallowsforhandormachine

•FullyWEBENCH

®

PowerDesignerEnabled

soldering.

•ElectricalSpecifications

TheLMZ12003canacceptaninputvoltagerail

between4.5Vand20Vandcandeliveran

–18-WMaximumTotalPowerOutput

adjustableandhighlyaccurateoutputvoltageaslow

–Upto3-AOutputCurrent

as0.8V.TheLMZ12003onlyrequiresthreeexternal

–InputVoltageRange4.5Vto20V

resistorsandfourexternalcapacitorstocompletethe

–OutputVoltageRange0.8Vto6V

powersolution.TheLMZ12003isareliableand

robustdesignwiththefollowingprotectionfeatures:

–Efficiencyupto92%

thermalshutdown,inputundervoltagelockout,output

•PerformanceBenefits

overvoltageprotection,shortcircuitprotection,output

–OperatesatHighAmbientTemperatureWith

currentlimit,andthisdeviceallowsstart-upintoa

NoThermalDerating

prebiasedoutput.Asingleresistoradjuststhe

switchingfrequencyupto1MHz.

–HighEfficiencyReducesSystemHeat

Generation

DeviceInformation

(1)(2)

–LowRadiatedEmissions(EMI)Testedto

PARTNUMBERPACKAGEBODYSIZE(NOM)

EN55022ClassBStandard

LMZ12003NDW(7)9.85mm×10.16mm

–Passes10-V/mRadiatedImmunityEMITest

(1)Forallavailablepackages,seetheorderableaddendumat

StandardEN610004-3

theendofthedatasheet.

(2)Peakreflowtemperatureequals245°C.SeeSNAA214for

moredetails.

SimplifiedApplicationSchematicEfficiency12-VInputat25°C

1

AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

Produktspecifikationer