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特点
应用程序
描述
TPS2220B
SLVS554–JANUARY2005
电源-interfaceswitches
FORSERIALPCMCIACONTROLLERS
•
上电复位
•
单独-slotswitch:tps2220b
•
-40°cto85°coperatingambienttemperature
范围
•
FastCurrentLimitResponseTime
•
FullyIntegratedVCCandVPPSwitchingfor
3.3v,5v,and12v
•
NotebookandDesktopComputers
•
MeetsCurrentPCCard™Standards
•
BarCodeScanners
•
v
pp
OutputSelectionIndependentofV
抄送
•
DigitalCameras
•
12-vand5-vsuppliescanbedisabled
•
设置-topboxes
•
ttl-logiccompatibleinputs
•
PDAs
•
短-circuitandthermalprotection
•
24-pinhtssopand24-pinssop
•
140-µa(典型)quiescentcurrentfrom
3.3-vinput
•
break-之前-makeswitching
thetps2220bpower-interfaceswitchprovidesanintegratedpower-managementsolutionforsinglecard
插座.thedeviceallowsthecontrolleddistributionof3.3v,5v,and12vtoonecardslot.thecurrent-限制
andthermal-protectionfeatureseliminatetheneedforfuses.电流-limitreportinghelpstheuserisolatea
系统故障.theswitchr
ds(开启)
和电流-limitvalueshavebeensetforthepeakandaveragecurrent
requirementsstatedinthepccardspecification,并优化成本.
likethetps2220athisdevicesupportsindependentvpp/vccswitching.thetps2220bispincompatiblewith
thetpa2220aexeceptforpin20ofthetps2220bwhichhasnoconnection.
AVAILABLEOPTIONS
PACKAGEDDEVICE
PowerPAD™
t
一个
PLASTICSMALLOUTLINE
PLASTICSMALLOUTLINE
(db-24)
(1)
(pwp-24)
(1)
-40°cto85°ctps2220bdbtps2220bpwp
(1)thedbandpwppackagesarealsoavailabletapedandreeled.addrsuffixtodevicetype(e?.g.,tps2220bpwpr)fortapedand
卷线.
pleasebeawarethatanimportantnoticeconcerningavailability,标准保修,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
powerpadisatrademarkoftexasinstruments.
pccardisatrademarkofpcmcia(personalcomputermemorycardinternationalassociation).
productiondatainformationiscurrentasofpublicationdate.
copyright©2005,texasinstrumentsincorporated
ProductsconformtospecificationsperthetermsoftheTexas
instrumentsstandardwarranty.productionprocessingdoesnot
必要包括测试所有参数.
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