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FEATURESDESCRIPTION
应用程序
v
蝙蝠
重置
MR
PFO
8
7
6
5
1
2
3
4
v
出点
v
dd
地
PFI
dgk p组件
(top 查看)
实际 尺寸
3,05 mm x 4,98 mm
v
dd
v
蝙蝠
PFI
备份
蓄电池
重置
PFO
v
出点
地
右
x
右
y
外部
来源
0.1
µ
f
电源
供应
地
重置
我/o
v
抄送
切换
电容器
0.1
µ
f
TPS3619
TPS3620
微控制器
或
微处理器
手册
重置
MR
tps3619-33,tps3619-50
tps3620-33,tps3620-50
SLVS387E–APRIL2001–REVISEDSEPTEMBER2004
备份-batterysupervisorsforramretention
•
supplycurrentof40µa(最大值)
TheTPS3619andTPS3620familiesofsupervisory
circuitsmonitorandcontrolprocessoractivityby
•
蓄电池-supplycurrentof100na(最大值)
providingbackup-batteryswitchoverfordataretention
•
precisionsupplyvoltagemonitor3.3v,5v,
ofcmosram.
OtherOptionsonRequest
duringpoweron,resetisassertedwhenthe
•
备份-batteryvoltagecanexceedv
dd
supplyvoltage(v
dd
orV
蝙蝠
)becomeshigherthan1.1
•
poweronresetgeneratorwithfixed100-ms
v.此后,thesupplyvoltagesupervisormonitors
ResetDelayTime
v
dd
andkeepsRESEToutputactiveaslongasV
dd
•
voltagemonitorforpower-failor
remainsbelowthethresholdvoltage(v
它
).aninternal
timerdelaysthereturnoftheoutputtotheinactive
低-batterymonitoring
州(高)toensurepropersystemreset.thedelay
•
batteryfreshnessseal(tps3619)
timestartsafterV
dd
hasrisenaboveV
它
.whenthe
•
管脚-用于-pincompatiblewithmax819,
supplyvoltagedropsbelowV
它,
theoutputbecomes
max703,andmax704
活动(低)再次.
•
8-pinmsoppackage
Theproductspectrumisdesignedforsupplyvoltages
•
温度范围-40
°
Cto85
°
c
of3.3vand5v.thetps3619andtps3620are
availableinan8-pinmsoppackageandare
characterizedforoperationoveratemperaturerange
的-40
°
Cto85
°
c.
•
FaxMachines
•
设置-topboxes
•
AdvancedVoiceMailSystems
•
portablebattery-poweredequipment
•
ComputerEquipment
•
AdvancedModems
•
AutomotiveSystems
•
portablelong-timemonitoringequipment
•
点-的-saleequipment
TYPICALOPERATINGCIRCUIT
pleasebeawarethatanimportantnoticeconcerningavailability,标准保修,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
productiondatainformationiscurrentasofpublicationdate.
copyright©2001–2004,texasinstrumentsincorporated
ProductsconformtospecificationsperthetermsoftheTexas
instrumentsstandardwarranty.productionprocessingdoesnot
必要包括测试所有参数.