Texas Instruments LMZ22010 Bedienungsanleitung

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40

50

60

70

80

90

100

EFFICIENCY (%)

OUTPUT CURRENT (A)

6 Vin

10 Vin

12 Vin

16 Vin

20 Vin

V

IN

C

IN

3 x 10 PF

R

FBT

C

FF

4.7 nF (OPT)

See Table

C

SS

0.47 PF

(OPT)

R

FBB

See Table

C

OUT

2 x 330 PF

LMZ22010

SH

SS

FB

SYNC

EN

PGND

V

OUT

AGND

Enable

VIN

VOUT

Share

Clock

Product

Folder

Sample &

Buy

Technical

Documents

Tools &

Software

Support &

Community

LMZ22010

SNVS687H–MARCH2011–REVISEDAUGUST2015

LMZ2201010-ASIMPLESWITCHER

®

PowerModuleWith20-VMaximumInputVoltage

andCurrentSharing

1Features2Applications

1

•IntegratedShieldedInductor

•Point-of-loadConversionsfrom12-VInputRail

•SimplePCBLayout•Time-CriticalProjects

•FrequencySynchronizationInput(350kHzto600•SpaceConstrainedandHighThermal

kHz)RequirementApplications

•CurrentSharingCapability•NegativeOutputVoltageApplications

SeeAN-2027SNVA425

•FlexibleStart-upSequencingUsingExternalSoft-

Start,TrackingandPrecisionEnable

3Description

•ProtectionAgainstInrushCurrentsandFaults

TheLMZ22010SIMPLESWITCHER

®

powermodule

SuchasInputUVLOandOutputShortCircuit

isaneasy-to-usestep-downDC-DCsolutioncapable

•JunctionTemperatureRange–40°Cto125°C

ofdrivingupto10-Aload.TheLMZ22010isavailable

•SingleExposedPadandStandardPinoutforEasy

inaninnovativepackagethatenhancesthermal

MountingandManufacturing

performanceandallowsforhandormachine

soldering.

•FullyEnabledforWEBENCH

®

PowerDesigner

TheLMZ22010canacceptaninputvoltagerail

•PinCompatibleWithLMZ22008/06,

between6Vand20Vandcandeliveranadjustable

LMZ12010/08/06,LMZ23610/08/06,and

andhighlyaccurateoutputvoltageaslowas0.8V.

LMZ13610/08/06

TheLMZ22010onlyrequirestwoexternalresistors

•ElectricalSpecifications

andexternalcapacitorstocompletethepower

–50-WMaximumTotalOutputPower

solution.

–Upto10-AOutputCurrent

TheLMZ22010isareliableandrobustdesignwith

–InputVoltageRange6Vto20V

thefollowingprotectionfeatures:thermalshutdown,

programmableinputunder-voltagelockout,output

–OutputVoltageRange0.8Vto6V

over-voltageprotection,short-circuitprotection,output

–Efficiencyupto92%

currentlimit,andallowsstartupintoapre-biased

•PerformanceBenefits

output.Thesyncinputallowssynchronizationover

the314-to600-kHzswitchingfrequencyrangeand

–HighEfficiencyReducesSystemHeat

upto6modulescanbeconnectedinparallelfor

Generation

higherloadcurrents.

–LowRadiatedEmissions(EMI)Testedto

EN55022

DeviceInformation

(1)(2)

–Only7ExternalComponents

PARTNUMBERPACKAGEBODYSIZE(NOM)

–LowOutputVoltageRipple

LMZ22010NDY(11)15.00mm×15.00mm

–NoExternalHeatSinkRequired

(1)Forallavailablepackages,seetheorderableaddendumat

theendofthedatasheet.

–SimpleCurrentsharingforHigherCurrent

(2)Peakreflowtemperatureequals245°C.SeeSNAA214for

Applications

moredetails.

NOTE:EN55022:2006,+A1:2007,FCCPart15SubpartB,

testedonEvaluationBoardwithEMIconfiguration.

SimplifiedApplicationSchematicEfficiency3.3-VOutputat25°C

1

AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

Produktspezifikationen