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便条: tab 是 地 为 两个都 包装
1
ktt pACKAGE
(t运算 视图)
2 3 4 5
使能
在
地
输出
DDPAK
重置
1
2
3
4
5
dcq pACKAGE
输出
地
在
使能
sot223-5
(t运算 视图)
重置
TPS726126
tps72615,tps72616
tps72618,tps72625
SLVS403F–MAY2002–REVISEDMAY2005
lowinputvoltage,1-alow-dropoutlinearregulatorswithsupervisor
•
1-alow-dropoutregulatorsupportsinput
thetps726xxfamilyof1-alow-落后(ldo)直线的
voltagesdownto1.8-v
regulatorshasfixedvoltageoptionsavailablethatare
commonlyusedtopowerthelatestdsps,fpgas,
•
availablein1.26-v,1.5-v,1.6-v,1.8-v,2.5-v,
andmicrocontrollers.theintegratedsupervisory
andadjustable(1.22-vto5.5-v)
circuitryprovidesanactivelowRESETsignalwhen
•
stablewithanytype/valueoutputcapacitor
theoutputfallsoutofregulation.thenocapaci-
•
±2%outputvoltagetoleranceoverline,
tor/anycapacitorfeatureallowsthecustomertotailor
加载,andtemperature(–40°cto125°c)
outputtransientperformanceasneeded.因此,
comparedtootherregulatorscapableofprovidingthe
•
integratedsupervisor(svs)with200-ms
sameoutputcurrent,thisfamilyofregulatorscan
RESETDelayTime
provideastandalonepowersupplysolutionorapost
•
low170-mvdropoutvoltageat1a
regulatorforaswitchmodepowersupply.
(tps72625)
Theseregulatorsoperateoverawiderangeofinput
•
low210-µagroundcurrentatfullload
电压(1.8vto6v)andhaveverylowdropout
•
lessthan1-µastandbycurrent
(170mvat1-一个).groundcurrentistypically210µaat
fullloadanddropstolessthan80µaatnoload.
•
IntegratedUVLOwithThermaland
standbycurrentislessthan1µa.
OvercurrentProtection
•
5-leadsot223-5orddpaksurface-挂载
Unlikesomeregulatorsthathaveaminimumcurrent
必要条件,thetps726xxfamilyisstablewithno
包装
outputloadcurrent.thelownoisecapabilityofthis
家族,coupledwithitshighcurrentoperationand
easeofpowerdissipation,makeitidealfortelecom
•
PCICards
boards,modembanks,andothernoisesensitive
•
ModemBanksandTelecomBoards
产品.
•
dsp,fpga,andmicroprocessorpower
thetps726xxisavailableineitherasot223-5or
供应
ddpakpackage.thetps726126isavailableina
•
可携带的,电池-poweredapplications
sot223-5packageonly.
•
1.26-vcorevoltageforthefollowingdsps:
–TMS320vC5501
–TMS320vC5502
pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
productiondatainformationiscurrentasofpublicationdate.
copyright©2002–2005,texasinstrumentsincorporated
ProductsconformtospecificationsperthetermsoftheTexas
instrumentsstandardwarranty.productionprocessingdoesnot
necessarilyincludetestingofallparameters.
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