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參數(shù)資料
| 型號： | TPS730XX |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | LOW-NOISE, HIGH PSRR, RF 200-mA LOW-DROPOUT LINEAR REGULATORS |
| 中文描述： | 低噪聲，高PSRR，射頻200毫安低壓降線性穩(wěn)壓器 |
| 文件頁數(shù)： | 1/13頁 |
| 文件大?。?/td> | 323K |
| 代理商： | TPS730XX |
1
FEATURES
DESCRIPTION
The
TPS730xx
low-power linear voltage regulators features high
power-supply rejection ratio (PSRR), ultralow-noise,
fast start-up, and excellent line and load transient
responses a small SOT23 package. NanoStar
packaging gives an ultrasmall footprint as well as an
ultralow profile and package weight, making it ideal
for portable applications such as handsets and PDAs.
Each device in the family is stable, with a small 2.2
μ
F
ceramic capacitor on the output. The TPS730xx
family
uses
an
advanced,
fabrication process to yield low dropout voltages (e.g.,
120mV at 200mA, TPS73030). Each device achieves
fast
start-up
times
(approximately
0.001
μ
F bypass capacitor) while consuming low
quiescent current (170
μ
A typical). Moreover, when
the device is placed in standby mode, the supply
current is reduced to less than 1
μ
A. The TPS73018
exhibits approximately 33
μ
V
RMS
of output voltage
noise at 1.8V output with a 0.01
μ
F bypass capacitor.
Applications
with
analog
noise-sensitive, such as portable RF electronics,
benefit from the high PSRR and low-noise features
as well as the fast response time.
APPLICATIONS
RF: VCOs, Receivers, ADCs
Audio
Cellular and Cordless Telephones
Bluetooth
, Wireless LAN
Handheld Organizers, PDAs
3
2
4
5
DBV PACKAGE
(TOP VIEW)
1
IN
GND
EN
OUT
NR
Fixed Option
3
2
4
6
DBV PACKAGE
(TOP VIEW)
1
IN
GND
EN
OUT
NR
5
FB
Adjustable Option
TPS73028
RIPPLE REJECTION
vs
FREQUENCY
10
100
1 k
Frequency (Hz)
10 k
10
40
80
100 k
1 M
10 M
R
I
OUT
= 10 mA
50
0
V
IN
= 3.8 V
C
OUT
= 10
μ
F
C
NR
= 0.01
μ
F
I
OUT
= 200 mA
20
30
60
70
90
100
0
0.05
0.10
0.15
0.20
0.25
0.30
100
1 k
Frequency (Hz)
10 k
100 k
I
OUT
= 1 mA
V
IN
= 3.8 V
C
OUT
= 2.2
μ
F
C
NR
= 0.1
μ
F
I
OUT
= 200 mA
TPS73028
OUTPUT SPECTRAL NOISE DENSITY
vs
FREQUENCY
O
μ
V
√
H
IN
EN
OUT
NR
GND
YZQ PACKAGE
(TOP VIEW)
A3
A1
C3
C1
B2
TPS730xx
SBVS054H–NOVEMBER 2004–REVISED OCTOBER 2007
www.ti.c om
LOW-NOISE, HIGH PSRR, RF 200-mA
LOW-DROPOUT LINEAR REGULATORS
234
200-mA RF Low-Dropout Regulator
With Enable
Available in Fixed Voltages from 1.8V to 3.3V
and Adjustable (1.22V to 5.5V)
High PSRR (68dB at 100Hz)
Ultralow-Noise (33
μ
V
RMS
, TPS73018)
Fast Start-Up Time (50
μ
s)
Stable With a 2.2
μ
F Ceramic Capacitor
Excellent Load/Line Transient Response
Very Low Dropout Voltage (120mV at 200mA)
5- and 6-Pin SOT23 (DBV), and Wafer Chip
Scale (YZQ) Packages
family
of
low-dropout
(LDO)
proprietary
BiCMOS
50
μ
s
with
a
components
that
are
Figure 1.
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
NanoStar is a trademark of Texas Instruments.
3
Bluetooth is a registered trademark of Bluetooth Sig, Inc.
4
All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright 2004–2007, Texas Instruments Incorporated
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS73101DBVR | 功能描述:低壓差穩(wěn)壓器 - LDO Cap Free NMOS 150mA RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TPS73101DBVRG4 | 功能描述:低壓差穩(wěn)壓器 - LDO Cap Free NMOS 150mA RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TPS73101DBVT | 功能描述:低壓差穩(wěn)壓器 - LDO Cap Free NMOS 150mA RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TPS73101DBVT | 制造商:Texas Instruments 功能描述:V REG LDO 0.15A 73101 SOT-23-5 |
| TPS73101DBVTG4 | 功能描述:低壓差穩(wěn)壓器 - LDO Cap Free NMOS 150mA RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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