參數(shù)資料
型號(hào): TPS79330YEQ
廠商: Texas Instruments, Inc.
英文描述: ULTRALOW-NOISE, HIGH PSRR, FAST RF 200-mA LOW-DROPOUT LINEAR REGULATORS IN NANOSTAR? WAFER CHIP SCALE AND SOT23
中文描述: 超低噪聲,高PSRR,快速射頻200毫安低壓降線性穩(wěn)壓器呢?NANOSTAR晶圓級(jí)和SOT23
文件頁(yè)數(shù): 1/18頁(yè)
文件大?。?/td> 456K
代理商: TPS79330YEQ
www.ti.com
FEATURES
200-mA RF Low-Dropout Regulator
With Enable
Available in 1.8-V, 2.5-V, 2.8-V, 2.85-V, 3-V,
3.3-V, 4.75-V, and Adjustable (1.22-V to 5.5-V)
High PSRR (70 dB at 10 kHz)
Ultralow-Noise (32 μV
RMS
, TPS79328)
Fast Start-Up Time (50 μs)
Stable With a 2.2-μF Ceramic Capacitor
Excellent Load/Line Transient Response
Very Low Dropout Voltage (112 mV at Full
Load, TPS79330)
5- and 6-Pin SOT23 (DBV) and NanoStar Wafer
Chip Scale (YEQ) Packages
DESCRIPTION
The
TPS793xx
low-power linear voltage regulators features high
power-supply rejection ratio (PSRR), ultralow-noise,
fast start-up, and excellent line and load transient
responses in NanoStar wafer chip scale and SOT23
packages. 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-μF ceramic capacitor on the
output. The TPS793xx family uses an advanced,
proprietary BiCMOS fabrication process to yield ex-
tremely low dropout voltages (e.g., 112 mV at
200 mA, TPS79330). Each device achieves fast
start-up times (approximately 50 μs with a 0.001-μF
bypass capacitor) while consuming very low quiesc-
ent current (170 μA typical). Moreover, when the
device is placed in standby mode, the supply current
is reduced to less than 1 μA. The TPS79328 exhibits
approximately 32 μV
RMS
of output voltage noise at
2.8-V output with a 0.1-μF bypass capacitor. Appli-
cations
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
D(TOP VIEW)
1
IN
GND
EN
OUT
NR
5
FB
Adjustable Option
YEQ
PACKAGE
(TOP VIEW)
TPS79328
RIPPLE REJECTION
vs
FREQUENCY
IN
EN
OUT
NR
GND
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
A3
A1
C3
C1
B2
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
TPS79328
OUTPUT SPECTRAL NOISE DENSITY
vs
FREQUENCY
O
μ
V
H
TPS79301, TPS79318
TPS79325, TPS79328, TPS793285
TPS79330, TPS79333, TPS793475
SLVS348H–JULY 2001–REVISED OCTOBER 2004
ULTRALOW-NOISE, HIGH PSRR, FAST RF 200-mA LOW-DROPOUT LINEAR
REGULATORS IN NanoStar WAFER CHIP SCALE AND SOT23
family
of
low-dropout
(LDO)
components
that
are
Figure 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.
Bluetooth is a trademark of Bluetooth Sig, Inc.
NanoStar is a trademark of Texas Instruments.
UNLESS OTHERWISE NOTED this document contains PRO-
DUCTION DATA information current as of publication date. Prod-
ucts conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily
include testing of all parameters.
Copyright 2001–2004, Texas Instruments Incorporated
相關(guān)PDF資料
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TPS79330YEQT 功能描述:低壓差穩(wěn)壓器 - LDO High PSRR Fast RF High-Enable 200mA 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(dòng)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
TPS79330YZQR 功能描述:低壓差穩(wěn)壓器 - LDO High PSRR Fast RF High-Enable 200mA 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(dòng)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
TPS79330YZQT 功能描述:低壓差穩(wěn)壓器 - LDO High PSRR Fast RF High-Enable 200mA 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(dòng)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