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应用程序
1
2
3
4
5
6
地
dcq p组件
sot223-6
(top 查看)
NR
出点
地
入点
en
1
ktt (ddpak) p组件
(top 查看)
2
3
4
5
en
入点
地
出点
0
10
20
30
40
50
60
70
80
频率(赫兹)
1 10k 10M1k
波纹 拒收 − (db)
我
出点
= 1 ma
TPS78630
波纹拒收
vs
频率
我
出点
= 1.5 一个
v
入点
= 4 v
c
出点
= 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 (赫兹)
100 10k 100k1k
输出 光谱 噪声 密度 − (
µ
v/ 赫兹)
我
出点
= 1 ma
TPS78630
输出光谱 噪声 密度
vs
频率
我
出点
= 1.5 一个
v
入点
= 5.5 v
c
出点
= 2.2
µ
f
c
NR
= 0.1
µ
f
NR
tps78601,tps78618
tps78625,tps78628
tps78630,tps78633
SLVS389D–SEPTEMBER2002–REVISEDOCTOBER2004
超低-噪声,highpsrr,fastrf1.5alow-dropoutlinear
调节器
•
1.5alow-dropoutregulatorwithenable
thetps786xxfamilyoflow-辍学(ldo)
低-powerlinearvoltageregulatorsfeatureshigh
•
availablein1.8-v,2.5-v,2.8-v,3-v,3.3-v,和
powersupplyrejectionratio(psrr),ultralownoise,
可调(1.2-vto5.5-v)
faststart-向上,andexcellentlineandloadtransient
•
highpsrr(49dbat10khz)
responsesinsmalloutline,sot223-6and5-管脚
•
ultralownoise(48µv
rms
,tps79630)
ddpakpackages.eachdeviceinthefamilyis
稳定,withasmall1-µfceramiccapacitoronthe
•
faststart-uptime(50µs)
输出.thefamilyusesanadvanced,专有
•
stablewitha1-µfceramiccapacitor
BiCMOSfabricationprocesstoyieldextremelylow
•
excellentload/linetransientresponse
dropoutvoltages(e?.g.,390mvat1.5a).eachdevice
achievesfaststart-uptimes(approximately50µswith
•
verylowdropoutvoltage(390mvatfull
a0.001µfbypasscapacitor)whileconsumingvery
荷载,tps78630)
lowquiescentcurrent(265µatypical).此外,
•
6-pinsot223-6and5-pinddpakpackage
whenthedeviceisplacedinstandbymode,这
supplycurrentisreducedtolessthan1µa.这
TPS78630exhibitsapproximately48µV
rms
ofoutput
•
rf:vcos,接收器,adcs
voltageat3.0voutputnoisewitha0.1µfbypass
电容器.applicationswithanalogcomponentsthat
•
音频
arenoisesensitive,suchasportablerfelectronics,
•
bluetooth™,wirelesslan
benefitfromthehighpsrr,lownoisefeatures,和
•
CellularandCordlessTelephones
thefastresponsetime.
•
handheldorganizers,pdas
pleasebeawarethatanimportantnoticeconcerningavailability,标准保修,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
bluetoothisatrademarkofbluetoothsig,公司
productiondatainformationiscurrentasofpublicationdate.
copyright©2002–2004,texasinstrumentsincorporated
ProductsconformtospecificationsperthetermsoftheTexas
instrumentsstandardwarranty.productionprocessingdoesnot
必要包括测试所有参数.
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