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FEATURESDESCRIPTION
产品
1
ktt (ddpak) pACKAGE
(t运算 视图)
2
3
4
5
EN
在
地
输出
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
频率(hz)
100 10k 100k1k
输出 谱的 噪音 密度 −
µ
v/
Hz
I
输出
= 1 毫安
TPS79630
输出谱的 噪音 密度
vs
频率
I
输出
= 1.5 一个
V
在
= 5.5 v
C
输出
= 2.2
µ
F
C
NR
= 0.1
µ
F
0
10
20
30
40
50
60
70
80
频率 (hz)
1 10k 10M1k
波纹 拒绝 − db
I
输出
= 1 毫安
TPS79630
波纹拒绝
vs
频率
I
输出
= 1 一个
V
在
= 4 v
C
输出
= 10
µ
F
C
NR
= 0.01
µ
F
10 100 100k 1M
EN
NC
地
NR
8
7
6
5
在
在
输出
输出
1
2
3
4
DRB 包装
3 x 3 SON
(顶 视图)
nr/fb
1
2
3
4
5
dcq pACKAGE
sot223-6
(t运算 视图)
nr/fb
输出
地
在
EN
6
地
tps79601,tps79618,tps79625
tps79628,tps79630,tps79633
SLVS351D–SEPTEMBER2002–REVISEDOCTOBER2004
ultralow-噪音,highpsrr,fastrf1-一个
低-dropoutlinearregulators
•
1-alow-dropoutregulatorwithenable
thetps796xxfamilyoflow-落后(ldo)
低-powerlinearvoltageregulatorsfeatureshigh
•
availablein1.8-v,2.5-v,2.8-v,3-v,3.3-v,和
powersupplyrejectionratio(psrr),ultralow-噪音,
可调整的(1.2-vto5.5-v)
faststart-向上,andexcellentlineandloadtransient
•
highpsrr(53dbat10khz)
responsesinsmalloutline,3x3son,sot223-6,
•
ultralow-噪音(40µv
RMS
,tps79630)
and5-pinddpakpackages.eachdeviceinthe
familyisstablewithasmall1-µfceramiccapacitor
•
faststart-uptime(50µs)
ontheoutput.thefamilyusesanadvanced,pro-
•
stablewitha1-µfceramiccapacitor
prietarybicmosfabricationprocesstoyieldex-
•
excellentload/linetransientresponse
tremelylowdropoutvoltages(e.g.,250mvat1a).
eachdeviceachievesfaststart-uptimes
•
verylowdropoutvoltage(250mvatfull
(approximately50µswitha0.001-µfbypasscapaci-
加载,tps79630)
tor)whileconsumingverylowquiescentcurrent
•
3x3son,6-pinsot223-6,和
(265µatypical).moreover,whenthedeviceisplaced
5-pinddpakpackages
instandbymode,thesupplycurrentisreducedto
lessthan1µa.thetps79630exhibitsapproximately
40µV
RMS
ofoutputvoltagenoiseat3.0-voutput,和
•
rf:vcos,接受者,adcs
a0.1-µfbypasscapacitor.applicationswithanalog
componentsthatarenoisesensitive,suchasportable
•
音频的
rfelectronics,benefitfromthehighpsrr,低
•
bluetooth™,wirelesslan
noisefeatures,andthefastresponsetime.
•
CellularandCordlessTelephones
•
handheldorganizers,pdas
pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
bluetoothisatrademarkofbluetoothsig,公司
allothertrademarksarethepropertyoftheirrespectiveowners.
productiondatainformationiscurrentasofpublicationdate.
copyright©2002–2004,texasinstrumentsincorporated
ProductsconformtospecificationsperthetermsoftheTexas
instrumentsstandardwarranty.productionprocessingdoesnot
necessarilyincludetestingofallparameters.
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