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510152025303540

Input Voltage (V)

Output Current (A)

V

O

= –3.3 V

V

O

= –5 V

V

O

= –12 V

V

O

= –15 V

G000

INH/UVLO

VOUTVIN

LMZ34002

VADJ

A_VOUT

GND

-V

OUT

V

IN

RT

STSEL

C

IN

R

SET

C

OUT

VOUT_PT

CLK

SS

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Reference

Design

AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

LMZ34002

SNVS989C–JULY2013–REVISEDAPRIL2018

LMZ3400215-WNegativeOutputPowerModuleWith

4.5-Vto40-VInputinQFNPackage

1

1Features

1

•CompleteIntegratedPowerSolutionAllows

SmallFootprint,Low-ProfileDesign

•WideInputVoltageRangefrom4.5Vto40V

•OutputAdjustablefrom–3Vto–17V

•Suppliesupto2-AofOutputCurrent

•45-VSurgeCapability

•SynchronizestoanExternalClock

•AdjustableSlow-Start

•ProgrammableUndervoltageLockout(UVLO)

•OutputOvercurrentProtection

•OverTemperatureProtection

•OperatingTemperatureRange:–40°Cto+85°C

•EnhancedThermalPerformance:14°C/W

•MeetsEN55022ClassBEmissions

-IntegratedShieldedInductor

•ForDesignHelpvisit

http://www.ti.com/product/lmz34002

•CreateaCustomDesignUsingtheLMZ34002

WiththeWEBENCH

®

PowerDesigner

2Applications

•IndustrialandMotorControls

•AutomatedTestEquipment

•BipolarAmplifiersinAudio/Video

•HighDensityPowerSystems

SafeOperatingCurrent

3Description

TheLMZ34002SIMPLESWITCHER®powermodule

isaneasy-to-use,negativeoutputvoltagepower

modulethatcombinesa15-WDC-DCconverterwith

ashieldedinductor,andpassivesintoalowprofile,

QFNpackage.Thistotalpowersolutionallowsasfew

asfiveexternalcomponentsandeliminatestheloop

compensationandmagneticspartselectionprocess.

The9×11×2.8mmQFNpackageiseasytosolder

ontoaprintedcircuitboardandallowsacompact

designwithfewercomponentsandexcellentpower

dissipationcapability.TheLMZ34002offersthe

flexibilityandthefeature-setofadiscretedesignand

isidealforpoweringawiderangeofICsandanalog

circuitsrequiringanegativeoutputvoltage.Advanced

packagingtechnologyaffordsarobustandreliable

powersolutioncompatiblewithstandardQFN

mountingandtestingtechniques.

SimplifiedApplication

Produktspecifikationer