Texas Instruments LMZ31503 Bedienungsanleitung
Seiten 38 Nicht kategorisiert
Lies die Bedienungsanleitung für Texas Instruments LMZ31503 kostenlos online oder lade das PDF herunter. Diese Anleitung wurde 4 Mal aufgerufen. Frage zu diesem Modell? Stelle eine Frage
40
45
50
55
60
65
70
75
80
85
90
95
100
00.511.522.53
Output Current (A)
Efficiency (%)
V
IN
= PV
IN
= 5 V, V
OUT
= 3.3V, f
SW
= 630 kHz
V
IN
= PV
IN
= 12 V, V
OUT
= 3.3V, f
SW
= 630 kHz
G000
VOUTVIN
LMZ31503
SENSE+
VADJ
AGNDPGND
V
OUT
V
IN
PWRGD
RT/CLK
INH/UVLO
SS/TR
STSEL
C
IN
R
SET
C
OUT
PVIN
Product
Folder
Order
Now
Technical
Documents
Tools &
Software
Support &
Community
Reference
Design
AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,
intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.
LMZ31503
SNVS992B–JULY2013–REVISEDAPRIL2018
LMZ315033-APowerModuleWith4.5-Vto14.5-VInput
inQFNPackage
1
1Features
1
•CompleteIntegratedPowerSolutionAllows
SmallFootprint,Low-ProfileDesign
•9mm×15mm×2.8mmpackage
-PinCompatiblewithLMZ31506
•EfficienciesUpTo95%
•Wide-OutputVoltageAdjust
0.8Vto5.5V,with1%ReferenceAccuracy
•OptionalSplitPowerRailAllows
InputVoltageDownto1.6V
•AdjustableSwitchingFrequency
(330kHzto780kHz)
•SynchronizestoanExternalClock
•AdjustableSlow-Start
•OutputVoltageSequencing/Tracking
•PowerGoodOutput
•ProgrammableUndervoltageLockout(UVLO)
•OvercurrentProtection(Hiccup-Mode)
•OverTemperatureProtection
•Pre-biasOutputStart-up
•OperatingTemperatureRange:–40°Cto+85°C
•EnhancedThermalPerformance:13°C/W
•MeetsEN55022ClassBEmissions
-IntegratedShieldedInductor
•CreateaCustomDesignUsingtheLMZ31503
WiththeWEBENCH
®
PowerDesigner
2Applications
•Broadband&CommunicationsInfrastructure
•AutomatedTestandMedicalEquipment
•CompactPCI/PCIExpress/PXIExpress
•DSPandFPGAPointofLoadApplications
•HighDensityDistributedPowerSystems
Efficiency
3Description
TheLMZ31503powermoduleisaneasy-to-use
integratedpowersolutionthatcombinesa3-ADC/DC
converterwithpowerMOSFETs,ashieldedinductor,
andpassivesintoalowprofile,QFNpackage.This
totalpowersolutionallowsasfewas3external
componentsandeliminatestheloopcompensation
andmagneticsdesignprocess.
The9×15×2.8mmQFNpackageiseasytosolder
ontoaprintedcircuitboardandallowsacompact
point-of-loaddesignwithupto95%efficiencyand
excellentpowerdissipationwithathermalimpedance
of13°C/Wjunctiontoambient.Thedevicedelivers
thefull3-Aratedoutputcurrentat85°Cambient
temperaturewithoutairflow.
TheLMZ31503offerstheflexibilityandthefeature-
setofadiscretepoint-of-loaddesignandisidealfor
poweringperformanceDSPsandFPGAs.Advanced
packagingtechnologyaffordarobustandreliable
powersolutioncompatiblewithstandardQFN
mountingandtestingtechniques.
SimplifiedSchematic
Produktspezifikationen
| Marke: | Texas Instruments |
| Kategorie: | Nicht kategorisiert |
| Modell: | LMZ31503 |
Brauchst du Hilfe?
Wenn Sie Hilfe mit Texas Instruments LMZ31503 benötigen, stellen Sie unten eine Frage und andere Benutzer werden Ihnen antworten