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应用程序
GNDEN NR
入点 出点
v
入点
v
出点
可选
可选 可选
typical 应用程序 电路 用于 固定-v旧 versions
dbv p组件
SOT23
(top 查看)
入点
地
en nr/fb
OUT1
2
3 4
5
TPS731xx
tps73101,tps73115,tps73118
tps73125,tps73130,tps73132
tps73133,tps73150
SBVS034E–SEPTEMBER2003–REVISEDSEPTEMBER2004
盖-免费,nmos,150malowdropoutregulator
withReverseCurrentProtection
•
StablewithNoOutputCapacitororAnyValue
thetps731xxfamilyoflow-辍学(ldo)线性
orTypeofCapacitor
voltageregulatorsusesanewtopology:annmos
passelementinavoltage-followerconfiguration.这个
•
inputvoltagerangeof1.7vto5.5v
topologyisstableusingoutputcapacitorswithlow
•
ultralowdropoutvoltage:30mvtyp
等效串联电阻,andevenallowsoperationwithoutacapacitor.
•
ExcellentLoadTransientResponse—withor
italsoprovideshighreverseblockage(lowreverse
withoutOptionalOutputCapacitor
电流)andgroundpincurrentthatisnearlyconstant
overallvaluesofoutputcurrent.
•
NewNMOSTopologyProvidesLowReverse
LeakageCurrent
TheTPS731xxusesanadvancedBiCMOSprocess
toyieldhighprecisionwhiledeliveringverylow
•
低噪声:30µv
rms
典型值(10khzto100khz)
dropoutvoltagesandlowgroundpincurrent.电流
•
0.5%initialaccuracy
消费,whennotenabled,isunder1µaand
•
1%overallaccuracyoverline,荷载,和
idealforportableapplications.theextremelylow
温度
outputnoise(30µv
rms
with0.1µfc
NR
)isidealfor
poweringvcos.thesedevicesareprotectedby
•
LessThan1µAMaxI
q
inShutdownMode
thermalshutdownandfoldbackcurrentlimit.
•
thermalshutdownandspecifiedmin/最大值
CurrentLimitProtection
•
AvailableinMultipleOutputVoltageVersions
–fixedoutputsof1.2v,1.5v,1.8v,2.5v,3.0v,
3.3v,and5.0v
–adjustableoutputsfrom1.20vto5.5v
–CustomOutputsAvailable
•
便携式/蓄电池-poweredequipment
•
post-regulationforswitchingsupplies
•
噪声-sensitivecircuitrysuchasvcos
•
pointofloadregulationfordsps,fpgas,
asics,andmicroprocessors
pleasebeawarethatanimportantnoticeconcerningavailability,标准保修,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
productiondatainformationiscurrentasofpublicationdate.
copyright©2003–2004,texasinstrumentsincorporated
ProductsconformtospecificationsperthetermsoftheTexas
instrumentsstandardwarranty.productionprocessingdoesnot
必要包括测试所有参数.
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