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产品 预告(展)
FEATURESDESCRIPTION
产品
在
在
在
PG
偏差
输出
输出
输出
NC
fb/输出_s
TPS74301
在
EN
11
地
12
NC
13
NC
14
追踪
15
6
7
8
9
10
20
19
18
17
16
5
NC
4
NC
3
NC
2
输出
1
rgw 包装
5 x 5 qfn
(顶 视图)
nc = 非 连接
ktw 包装
ddpak-7
(顶 视图)
1
2
3
4
5
6
7
输出
地
偏差
在
fb/输出_s
追踪
EN
真实的 大小
TPS74301
SBVS065–DECEMBER2005
1.5alow-dropoutlinearregulatorwithprogrammablesequencing
•
1.5aldoregulatorwithprogrammable
thetps74301lowdropout(ldo)linearregulator
Sequencing
providesaneasy-至-usepowermanagementsolution
formanyhigh-currentapplications.thetrackinput
•
trackandpower-好的(pg)allowsthree
allowsuser-programmedsequencingtominimizethe
typesofsequencing:
voltagedifferenceamongsupplyrailsduringstartup.
–simultaneous,sequential,andratiometric
theenableinput(en)andpower-好的(pg)输出
•
supportsinputvoltagesaslowas0.9v
alloweasysequentialsequencingwithexternal
regulators.thiscompleteflexibilitypermitstheuserto
•
adjustableoutput(0.8vto3.3v)
configureasolutionthatwillmeetthesequencing
•
过激-lowdropout:60mvat1.5a(典型值)
requirementsoffpgas,dsps,andother
•
1%accuracyoverline,加载,和
applicationswithspecialstartuprequirements.
温度
Aprecisionreferenceanderroramplifierdeliver1%
•
StablewithAnyorNoOutputCapacitor
accuracyoverload,线条,温度,andprocess.
•
ActiveHighEnable
TheLDOregulatorisstablewithanyornooutput
capacitorandisfullyspecifiedfrom–40
°
Cto+125
°
c.
•
打开-drainpower-好的(5
×
5qfn)
TheTPS74301isofferedinasmall5mm
×
5mm
•
Availablein5mm
×
5mm
×
1mmQFNand
qfnpackage,yieldingahighlycompacttotalsolution
ddpak-7packages
大小.forapplicationsthatrequireadditionalpower
•
ExternalBIASPermitsLowV
在
Operationwith
消耗,theddpak(ktw)packageisalso
有.
ExcellentTransientResponse
•
FPGAApplications
•
dspcoreandi/ovoltages
•
邮递-regulationapplications
•
applicationswithspecialstart-uptime
(所需的)东西
pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
alltrademarksarethepropertyoftheirrespectiveowners.
PRODUCTPREVIEWinformationconcernsproductsinthe
copyright©2005,texasinstrumentsincorporated
formativeordesignphaseofdevelopment.characteristicdataand
otherspecificationsaredesigngoals.texasinstrumentsreserves
therighttochangeordiscontinuetheseproductswithoutnotice.