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FEATURESDESCRIPTION
应用程序
入点
入点
入点
PG
偏差
出点
出点
出点
nc
fb/出点_s
TPS74301
入点
en
11
地
12
nc
13
nc
14
轨道
15
6
7
8
9
10
20
19
18
17
16
5
nc
4
nc
3
nc
2
出点
1
rgw 包装
5 x 5 qfn
(顶部 查看)
nc = 否 连接
ktw 包装
ddpak-7
(顶部 查看)
1
2
3
4
5
6
7
出点
地
偏差
入点
fb/出点_s
轨道
en
实际 尺寸
TPS74301
SBVS065–DECEMBER2005
1.5alow-dropoutlinearregulatorwithprogrammablesequencing
•
1.5aldoregulatorwithprogrammable
thetps74301lowdropout(ldo)linearregulator
测序
providesaneasy-至-usepowermanagementsolution
formanyhigh-currentapplications.thetrackinput
•
trackandpower-不错(pg)allowsthree
allowsuser-programmedsequencingtominimizethe
typesofsequencing:
voltagedifferenceamongsupplyrailsduringstartup.
–simultaneous,顺序,andratiometric
theenableinput(en)andpower-不错(pg)产出
•
supportsinputvoltagesaslowas0.9v
alloweasysequentialsequencingwithexternal
调节器.thiscompleteflexibilitypermitstheuserto
•
adjustableoutput(0.8vto3.3v)
configureasolutionthatwillmeetthesequencing
•
超-lowdropout:60mvat1.5a(典型值)
requirementsoffpgas,dsps,andother
•
1%accuracyoverline,荷载,和
applicationswithspecialstartuprequirements.
温度
Aprecisionreferenceanderroramplifierdeliver1%
•
StablewithAnyorNoOutputCapacitor
accuracyoverload,线,温度,andprocess.
•
ActiveHighEnable
TheLDOregulatorisstablewithanyornooutput
capacitorandisfullyspecifiedfrom–40
°
Cto+125
°
c.
•
打开-drainpower-不错(5
×
5qfn)
TheTPS74301isofferedinasmall5mm
×
5mm
•
Availablein5mm
×
5mm
×
1mmQFNand
qfnpackage,yieldingahighlycompacttotalsolution
ddpak-7packages
尺寸.forapplicationsthatrequireadditionalpower
•
ExternalBIASPermitsLowV
入点
Operationwith
耗散,theddpak(ktw)packageisalso
可用.
ExcellentTransientResponse
•
FPGAApplications
•
dspcoreandi/ovoltages
•
post-regulationapplications
•
applicationswithspecialstart-uptime
要求
pleasebeawarethatanimportantnoticeconcerningavailability,标准保修,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
alltrademarksarethepropertyoftheirrespectiveowners.
PRODUCTPREVIEWinformationconcernsproductsinthe
copyright©2005,texasinstrumentsincorporated
形成或设计发展阶段.characteristicdataand
其他规范设计目标.texasinstrumentsreserves
可能会改变或中断一些产品，但没有通知.
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