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产品
1
2
3
4
5
6
地
dcq pACKAGE
sot223-6
(t运算 视图)
NR
输出
地
在
EN
1
ktt (ddpak) pACKAGE
(t运算 视图)
2
3
4
5
EN
在
地
输出
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
TPS78630
波纹拒绝
vs
频率
I
输出
= 1.5 一个
V
在
= 4 v
C
输出
= 10
µ
F
C
NR
= 0.01
µ
F
10 100 100k 1M
0.00
0.10
0.20
0.30
0.40
0.50
0.60
0.70
0.80
频率 (hz)
100 10k 100k1k
输出 谱的 噪音 密度 − (
µ
v/ hz)
I
输出
= 1 毫安
TPS78630
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
NR
tps78601,tps78618
tps78625,tps78628
tps78630,tps78633
SLVS389D–SEPTEMBER2002–REVISEDOCTOBER2004
ultralow-噪音,highpsrr,fastrf1.5alow-dropoutlinear
REGULATORS
•
1.5alow-dropoutregulatorwithenable
thetps786xxfamilyoflow-落后(ldo)
低-powerlinearvoltageregulatorsfeatureshigh
•
availablein1.8-v,2.5-v,2.8-v,3-v,3.3-v,和
powersupplyrejectionratio(psrr),ultralownoise,
可调整的(1.2-vto5.5-v)
faststart-向上,andexcellentlineandloadtransient
•
highpsrr(49dbat10khz)
responsesinsmalloutline,sot223-6and5-管脚
•
ultralownoise(48µv
RMS
,tps79630)
ddpakpackages.eachdeviceinthefamilyis
稳固的,withasmall1-µfceramiccapacitoronthe
•
faststart-uptime(50µs)
输出.thefamilyusesanadvanced,专卖的
•
stablewitha1-µfceramiccapacitor
BiCMOSfabricationprocesstoyieldextremelylow
•
excellentload/linetransientresponse
dropoutvoltages(e.g.,390mvat1.5a).eachdevice
achievesfaststart-uptimes(approximately50µswith
•
verylowdropoutvoltage(390mvatfull
a0.001µfbypasscapacitor)whileconsumingvery
加载,tps78630)
lowquiescentcurrent(265µatypical).moreover,
•
6-pinsot223-6and5-pinddpakpackage
whenthedeviceisplacedinstandbymode,这
supplycurrentisreducedtolessthan1µa.这
TPS78630exhibitsapproximately48µV
RMS
ofoutput
•
rf:vcos,接受者,adcs
voltageat3.0voutputnoisewitha0.1µfbypass
电容.applicationswithanalogcomponentsthat
•
音频的
arenoisesensitive,suchasportablerfelectronics,
•
bluetooth™,wirelesslan
benefitfromthehighpsrr,lownoisefeatures,和
•
CellularandCordlessTelephones
thefastresponsetime.
•
handheldorganizers,pdas
pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
bluetoothisatrademarkofbluetoothsig,公司
productiondatainformationiscurrentasofpublicationdate.
copyright©2002–2004,texasinstrumentsincorporated
ProductsconformtospecificationsperthetermsoftheTexas
instrumentsstandardwarranty.productionprocessingdoesnot
necessarilyincludetestingofallparameters.
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