Texas Instruments LMZ31520 Bruksanvisning
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0 4 8 12 16 20
Efficiency (%)
Output Current (A)
PVIN = 3.3 V, VIN = 5 V
PVIN = VIN = 5 V
PVIN = VIN = 12 V
C001
Vout = 1.8 V
Fsw = 500 kHz
VOUT
AGND
SENSE+
LMZ31520
FREQ_SEL
SS_SEL
V5V
C
O
C
I
VIN
VIN
VOUT
PGND
VADJ
R
SET
ILIM
INH
PWRGD
PVIN
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Design
AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,
intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.
LMZ31520
SLVSBM9E–OCTOBER2013–REVISEDSEPTEMBER2018
LMZ3152020-APowerModuleWith3-Vto14.5-VInput
inQFNPackage
1
1Features
1
•CompleteIntegratedPowerSolution;
SmallerthanaDiscreteDesign
•15mm×16mm×5.8mmPackageSize
-PinCompatiblewithLMZ31530
•Ultra-FastLoadStepResponse
•EfficienciesUpTo96%
•Wide-OutputVoltageAdjust
0.6Vto3.6V,with1%ReferenceAccuracy
•OptionalSplitPowerRailsAllows
InputVoltageDownto3V
•SelectableSwitchingFrequency
(300kHzto850kHz)
•SelectableSlow-Start
•AdjustableOvercurrentLimit
•PowerGoodOutput
•OutputVoltageSequencing
•OverTemperatureProtection
•Pre-biasOutputStart-up
•OperatingTemperatureRange:–40°Cto85°C
•EnhancedThermalPerformance:8.6°C/W
•MeetsEN55022ClassAEmissions
-IntegratedShieldedInductor
•CreateaCustomDesignUsingtheLMZ31520
WiththeWEBENCH
®
PowerDesigner
2Applications
•BroadbandandCommunicationsInfrastructure
•DSPandFPGAPointofLoadApplications
•HighDensityPowerSystems
Efficiency
3Description
TheLMZ31520powermoduleisaneasy-to-use
integratedpowersolutionthatcombinesa20-A
DC/DCconverterwithpowerMOSFETs,ashielded
inductor,andpassivesintoalowprofile,QFN
package.Thistotalpowersolutionallowsasfewas
threeexternalcomponentsandeliminatestheloop
compensationandmagneticspartselectionprocess.
The15×16×5.8mmQFNpackageiseasytosolder
ontoaprintedcircuitboardandallowsacompact
point-of-loaddesign.Achievesgreaterthan95%
efficiency,hasultra-fastloadstepresponseand
excellentpowerdissipationcapabilitywithathermal
impedanceof8.6°C/W.TheLMZ31520offersthe
flexibilityandthefeature-setofadiscretepoint-of-
loaddesignandisidealforpoweringawiderangeof
ICsandsystems.Advancedpackagingtechnology
affordsarobustandreliablepowersolution
compatiblewithstandardQFNmountingandtesting
techniques.
SimplifiedApplication
Produktspecifikationer
| Varumärke: | Texas Instruments |
| Kategori: | ej kategoriserat |
| Modell: | LMZ31520 |
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