Texas Instruments LM2717 Handleiding
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LM2717
www.ti.com
SNVS253D–MAY2005–REVISEDMARCH2013
LM2717DualStep-DownDC/DCConverter
CheckforSamples:LM2717
1
FEATURES
DESCRIPTION
TheLM2717iscomposedoftwoPWMDC/DCbuck
2
•Fixed3.3VOutputBuckConverterwitha2.2A,
(step-down)converters.Thefirstconverterisusedto
0.16Ω,InternalSwitch
generateafixedoutputvoltageof3.3V.Thesecond
•AdjustableBuckConverterwitha3.2A,0.16Ω,
converterisusedtogenerateanadjustableoutput
InternalSwitch
voltage.BothconvertersfeaturelowR
DSON
(0.16Ω)
internalswitchesformaximumefficiency.Operating
•OperatingInputVoltageRangeof4Vto20V
frequencycanbeadjustedanywherebetween
•InputUndervoltageProtection
300kHzand600kHzallowingtheuseofsmall
•300kHzto600kHzPinAdjustableOperating
externalcomponents.Externalsoft-startpinsforeach
Frequency
enablestheusertotailorthesoft-starttimestoa
specificapplication.Eachconvertermayalsobeshut
•OverTemperatureProtection
downindependentlywithitsownshutdownpin.The
•Small24-LeadTSSOPPackage
LM2717isavailableinalowprofile24-leadTSSOP
packageensuringalowprofileoverallsolution.
APPLICATIONS
•TFT-LCDDisplays
•HandheldDevices
•PortableApplications
•LaptopComputers
TypicalApplicationCircuit
1
Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsof
TexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
2Alltrademarksarethepropertyoftheirrespectiveowners.
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
Copyright©2005–2013,TexasInstrumentsIncorporated
ProductsconformtospecificationsperthetermsoftheTexas
Instrumentsstandardwarranty.Productionprocessingdoesnot
necessarilyincludetestingofallparameters.
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | LM2717 |
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