www.德州仪器.com
特性
ktp pACKAGE
(t运算 视图)
输入
调整
dcy pACKAGE
(t运算 视图)
输入
输出
调整
输出
输出
描述/orderinginformation
LM317M
3-terminaladjustableregulator
SLVS297M–APRIL2000–REVISEDOCTOBER2005
•
outputvoltagerangeadjustablefrom1.25v
to37V
•
OutputCurrentGreaterThan500mA
•
internalshort-circuitcurrentlimiting
•
热的-overloadprotection
•
outputsafe-areacompensation
•
QDevicesMeetAutomotivePerformance
(所需的)东西
•
客户-specificconfigurationcontrolcan
BeSupportedforQDevicesAlongWith
主要的-changeapproval
thelm317misanadjustable3-terminalpositive-voltageregulatorcapableofsupplyingmorethan500maover
anoutput-voltagerangeof1.25vto37v.thelm317misexceptionallyeasytouseandrequiresonlytwo
externalresistorstosettheoutputvoltage.此外,bothlineandloadregulationarebetterthanstandard
fixedregulators.
inadditiontohavinghigherperformancethanfixedregulators,thedeviceincludeson-chipcurrentlimiting,
热的-overloadprotection,andsafe-运行-areaprotection.alloverloadprotectionremainsfullyfunctionalif
theadjustterminalisdisconnected.
正常情况下,nocapacitorsareneededunlessthedeviceismorethansixinchesfromtheinputfiltercapacitors,在
whichcaseaninputbypasscapacitorisneeded.anoptionaloutputcapacitorcanbeaddedtoimprovetransient
回馈.theadjustterminalcanbebypassedtoachievehighripple-rejectionratios,whicharedifficultto
achievewithstandardthree-terminalregulators.
ORDERINGINFORMATION
T
J
包装
(1)
orderablepartnumbertop-sidemarking
PowerFLEX™–KTPReelof2000LM317MKTPRLM317M
0
°
Cto125
°
CTubeof80LM317MDCY
SOT–DCYL4
Reelof2500LM317MDCYR
PowerFLEX–KTPReelof2000LM317MQKTPR317MQ
–40
°
Cto125
°
CLM317MQDCYRL5
SOT–DCYReelof2500
LM317MQDCYRG3L8
(1)packagedrawings,standardpackingquantities,thermaldata,符号化,andpcbdesignguidelinesareavailableat
www.德州仪器.com/sc/包装.
pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
powerflexisatrademarkoftexasinstruments.
productiondatainformationiscurrentasofpublicationdate.
copyright©2000–2005,texasinstrumentsincorporated
ProductsconformtospecificationsperthetermsoftheTexas
instrumentsstandardwarranty.productionprocessingdoesnot
necessarilyincludetestingofallparameters.