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FEATURESDESCRIPTION
应用程序
1
2
3
5
4
感觉
v
dd
RSTSENSE
地
RSTVDD
TPS3807
DCK 包装
SC70−5
(顶部 查看)
v
dd
地
感觉 蓄电池 不错
蓄电池 启用
系统 供应
RSTSENSE
RSTVDD
TPS3807
典型 应用程序 电路
供应 2
蓄电池
texas 仪器仪表
TPS3807
SBVS061A–AUGUST2005–REVISEDSEPTEMBER2005
lowquiescentcurrent,双-channelsupervisorycircuit
•
TwoSupplyMonitorsinOnePackage
thetps3807familymicroprocessorsupervisorycir-
cuitsmonitorsystemvoltagesaslowas1.225v.
•
onemonitorwithfixedhigh-准确度
thesedevicesassertanopen-drainrstvddsignal
ThresholdsforSystemSupplyMonitoring
whentheV
dd
voltagedropsbelowapresetthreshold.
•
SecondMonitorwithVariableThresholdand
TheRSTVDDoutputremainsasserteduntiltheV
dd
30mVHysteresistoProvideFailsafe
voltagereturnsaboveitsthreshold.thedevicealso
•
verylowquiescentcurrent:3.5
µ
Atyp
providesanadditionalRSTSENSEoutputfora
senseinputwithadjustablethresholdsandhyster-
•
highthresholdaccuracy:1%max
esis.
(0
°
Cto+85
°
c)
TheTPS3807usesaprecisionreferencetoachieve
•
打开-drainresetoutputs
1%thresholdaccuracy.thetps3807hasaverylow
•
温度范围:–40
°
Cto+85
°
c
typicalquiescentcurrentof3.5
µ
一个,soitiswell-适合
•
超-smallsc70-5package
tobattery-poweredapplications.itisavailableina
smallsc70-5package,whichishalfthesizeofa
sot-23package,andisfullyspecifiedoveratem-
peraturerangeof–40
°
Cto+85
°
c.
•
dsp,微控制器,ormicroprocessor
applicationsrequiringuser-selecteddelay
次
•
笔记本/desktopcomputers
•
PDAsandSmartPhones
•
otherhand-heldproducts
•
便携式,蓄电池-poweredproducts
•
fpga/asicapplications
pleasebeawarethatanimportantnoticeconcerningavailability,标准保修,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
alltrademarksarethepropertyoftheirrespectiveowners.
productiondatainformationiscurrentasofpublicationdate.
copyright©2005,texasinstrumentsincorporated
ProductsconformtospecificationsperthetermsoftheTexas
instrumentsstandardwarranty.productionprocessingdoesnot
必要包括测试所有参数.
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