Texas Instruments LMZ31520 Bruksanvisning

Läs gratis den bruksanvisning för Texas Instruments LMZ31520 (32 sidor) i kategorin ej kategoriserat. Guiden har ansetts hjälpsam av 2 personer och har ett genomsnittsbetyg på 4.2 stjärnor baserat på 5 recensioner. Har du en fråga om Texas Instruments LMZ31520 eller vill du ställa frågor till andra användare av produkten? Ställ en fråga

50

55

60

65

70

75

80

85

90

95

100

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

Product

Folder

Order

Now

Technical

Documents

Tools &

Software

Support &

Community

Reference

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