www.ti.com
FEATURESDESCRIPTION
应用程序
3
2
4
5
dbv 包装
(顶部 查看)
1
入点
地
en
出点
NR
固定 选项
3
2
4
6
dbv 包装
(顶部 查看)
1
入点
地
en
出点
NR
5
fb
可调 选项
TPS73028
波纹拒收
vs
频率
10 100 1 k 10 k
10
40
80
100 k 1 m 10 m
波纹 拒收 (db)
频率 (赫兹)
我
出点
= 10 ma
50
0
v
入点
= 3.8 v
c
出点
= 10
µ
f
c
NR
= 0.01
µ
f
我
出点
= 200 ma
20
30
60
70
90
100
0
0.05
0.10
0.15
0.20
0.25
0.30
100 1 k 10 k 100 k
频率 (赫兹)
我
出点
= 1 ma
v
入点
= 3.8 v
c
出点
= 2.2
µ
f
c
NR
= 0.1
µ
f
我
出点
= 200 ma
TPS73028
输出光谱 噪声 密度
vs
频率
输出光谱 噪声 密度 (
µ
v/
√
赫兹)
入点
en
出点
NR
地
yzq p组件
(顶部 查看)
A3 A1
C3 C1
B2
TPS730xx
SBVS054E–NOVEMBER2004–REVISEDAUGUST2005
低噪声,highpsrr,rf200-ma
低-dropoutlinearregulators
•
200-marflow-dropoutregulator
thetps730xxfamilyoflow-辍学(ldo)
WithEnable
低-powerlinearvoltageregulatorsfeatureshigh
电源-supplyrejectionratio(psrr),超低-噪声,
•
availablein1.8-v,2.5-v,2.8-v,3-v,3.3-v,和
faststart-向上,andexcellentlineandloadtransient
可调(1.22-vto5.5-v)
responsesasmallsot23package.nanostar™
•
highpsrr(68dbat1khz)
packaginggivesanultrasmallfootprintaswellasan
•
超低-噪声(23
µ
v
rms
,tps73018)
ultralowprofileandpackageweight,makingitideal
forportableapplicationssuchashandsetsandpdas.
•
faststart-uptime(50
µ
s)
eachdeviceinthefamilyisstable,withasmall
•
stablewitha2.2-
µ
FCeramicCapacitor
2.2-
µ
fceramiccapacitorontheoutput.这
•
excellentload/linetransientresponse
tps730xxfamilyusesanadvanced,专有
BiCMOSfabricationprocesstoyieldlowdropout
•
verylowdropoutvoltage(120mvatfull
电压(e?.g.,120mvat200ma,tps73030).每个
荷载)
deviceachievesfaststart-uptimes(approximately50
•
5-and6-pinsot23(dbv),andwaferchip
µ
switha0.001-
µ
fbypasscapacitor)whileconsum-
缩放(yzq)软件包
inglowquiescentcurrent(170
µ
atypical).此外,
whenthedeviceisplacedinstandbymode,这
supplycurrentisreducedtolessthan1
µ
一个.这
•
rf:vcos,接收器,adcs
TPS73018exhibitsapproximately23
µ
v
rms
ofoutput
voltagenoiseat2.8-voutputwitha0.01-
µ
Fbypass
•
音频
电容器.applicationswithanalogcomponentsthat
•
CellularandCordlessTelephones
arenoise-敏感,suchasportablerfelectronics,
•
Bluetooth
®
,wirelesslan
benefitfromthehighpsrrandlow-noisefeatures
•
handheldorganizers,pdas
aswellasthefastresponsetime.
figure1.
pleasebeawarethatanimportantnoticeconcerningavailability,标准保修,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
nanostarisatrademarkoftexasinstruments.
bluetoothisaregisteredtrademarkofbluetoothsig,公司
productiondatainformationiscurrentasofpublicationdate.
copyright©2004–2005,texasinstrumentsincorporated
ProductsconformtospecificationsperthetermsoftheTexas
instrumentsstandardwarranty.productionprocessingdoesnot
必要包括测试所有参数.
: 点此下载
