www.德州仪器.com
特性
1
2
3
4
8
7
6
5
SENSE1
SENSE2
SENSE3
地
V
DD
MR
重置
重置
d 或者 dgn pACKAGE
(t运算 视图)
TypicalApplications
sense 1
sense 2 重置
TPS3307−33
sense 3
V
DD
地
100nF
重置
V
DD
地
3.3v5v2.5v
470k
Ω
620k
Ω
•
产品 使用 dsps,
微控制器 或者 微处理器
工业的 设备
可编程序的 控制
automotive 系统
可携带的/电池Powered设备
Intelligent器械
无线的 交流 系统
notebook/desktop 计算机
MSP430C325
描述
tps3307-18,tps3307-25,tps3307-33
SLVS199B–DECEMBER1998–REVISEDOCTOBER2004
TRIPLEPROCESSORSUPERVISORS
•
TripleSupervisoryCircuitsforDSPand
处理器-basedsystems
•
电源-onresetgeneratorwithfixeddelay
timeof200ms,noexternalcapacitorneeded
•
温度-compensatedvoltagereference
•
MaximumSupplyCurrentof40µA
•
supplyvoltagerange:2vto6v
•
DefinedRESETOutputFromV
DD
≥
1.1v
•
msop-8andso-8packages
•
temperaturerange:–40
°
Cto85
°
C
figure1listssomeofthetypicalapplicationsforthetps3307family,andaschematicdiagramfora
处理器-basedsystemapplication.thisapplicationusestipartnumberstps3307-33andmsp430c325.
figure1.applicationsusingthetps3307family
TheTPS3307familyisaseriesofmicropowersupplyvoltagesupervisorsdesignedforcircuitinitialization
primarilyindspandprocessor-basedsystems,whichrequiremorethanonesupplyvoltage.
theproductspectrumofthetps3307-xxisdesignedformonitoringthreeindependentsupplyvoltages:
3.3v/1.8v/adj,3.3v/2.5v/adjor3.3v/5v/adj.theadjustablesenseinputallowsthemonitoringofanysupply
电压>1.25v.
Thevarioussupplyvoltagesupervisorsaredesignedtomonitorthenominalsupplyvoltageasshowninthe
followingsupplyvoltagemonitoringtable.
duringpower-在,resetisassertedwhenthesupplyvoltagev
DD
becomeshigherthan1.1v.thereafter,这
supplyvoltagesupervisormonitorstheSENSE
n
inputsandkeepsRESETactiveaslongasSENSE
n
仍然是
belowthethresholdvoltageV
IT+
.
pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
powerpadisatrademarkoftexasinstruments.
productiondatainformationiscurrentasofpublicationdate.
copyright©1998–2004,texasinstrumentsincorporated
ProductsconformtospecificationsperthetermsoftheTexas
instrumentsstandardwarranty.productionprocessingdoesnot
necessarilyincludetestingofallparameters.
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