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參數(shù)資料
| 型號(hào)： | TPS796xxyyyz |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | ULTRALOW-NOISE, HIGH PSRR, FAST, RF, 1A LOW-DROPOUT LINEAR REGULATORS |
| 中文描述： | 超低噪聲，高PSRR，快速，射頻低壓差線性穩(wěn)壓器1A條 |
| 文件頁數(shù)： | 1/33頁 |
| 文件大小： | 899K |
| 代理商： | TPS796XXYYYZ |
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www.ti.com
FEATURES
1A Low-Dropout Regulator With Enable
Available in Fixed and Adjustable (1.2V to
5.5V) Versions
High PSRR (53dB at 10kHz)
Ultralow-Noise (40
μ
V
RMS
, TPS79630)
Fast Start-Up Time (50
μ
s)
Stable With a 1
μ
F Ceramic Capacitor
Excellent Load/Line Transient Response
Very Low Dropout Voltage (250mV at Full
Load, TPS79630)
3
×
3 SON, SOT223-6, and
DDPAK-5 Packages
DESCRIPTION
The
TPS796xx
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 small outline, 3
×
3 SON, SOT223-6,
and DDPAK-5 packages. Each device in the family is
stable with a small 1
μ
F ceramic capacitor on the
output. The family uses an advanced, proprietary
BiCMOS fabrication process to yield extremely low
dropout voltages (e.g., 250mV at 1A). Each device
achieves fast start-up times (approximately 50
μ
s with
a 0.001
μ
F bypass capacitor) while consuming very
low quiescent current (265
μ
A typical). Moreover,
when the device is placed in standby mode, the
supply current is reduced to less than 1
μ
A. The
TPS79630 exhibits approximately 40
μ
V
of output
voltage noise at 3.0V output, with a 0.1
μ
F bypass
capacitor. Applications with analog components that
are noise sensitive, such as portable RF electronics,
benefit from the high PSRR, low noise features, and
the fast response time.
APPLICATIONS
RF: VCOs, Receivers, ADCs
Audio
Bluetooth, Wireless LAN
Cellular and Cordless Telephones
Handheld Organizers, PDAs
1
2
3
4
5
6
GND
DCQ PACKAGE
SOT223-6
(TOP VIEW)
NR/FB
OUT
GND
IN
EN
1
2
3
4
5
KTT (DDPAK) PACKAGE
(TOP VIEW)
EN
IN
GND
OUT
NR/FB
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
Frequency (Hz)
100
10k
100k
1k
O
μ
V
√
H
I
OUT
= 1 mA
TPS79630
OUTPUT SPECTRAL NOISE DENSITY
vs
FREQUENCY
I
OUT
= 1.5 A
V
IN
= 5.5 V
C
OUT
= 2.2
μ
F
C
NR
= 0.1
μ
F
0
10
20
30
40
50
60
70
80
Frequency (Hz)
1
10k
10M
1k
R
I
OUT
= 1 mA
TPS79630
RIPPLE REJECTION
vs
FREQUENCY
I
OUT
= 1 A
V
IN
= 4 V
C
OUT
= 10
μ
F
C
NR
= 0.01
μ
F
10
100
100k
1M
EN
NC
GND
NR
8
7
6
5
IN
IN
OUT
OUT
1
2
3
4
DRB PACKAGE
3mm x 3mm SON
(TOP VIEW)
TPS796xx
SLVS351I–SEPTEMBER 2002–REVISED MAY 2006
ULTRALOW-NOISE, HIGH PSRR, FAST, RF, 1A
LOW-DROPOUT LINEAR REGULATORS
family
of
low-dropout
(LDO)
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.
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 2002–2006, Texas Instruments Incorporated
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS79718DCKR | 功能描述:低壓差穩(wěn)壓器 - LDO 10mA 1.8V MicroPwr 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 |
| TPS79718DCKRG4 | 功能描述:低壓差穩(wěn)壓器 - LDO 10-mA 1.8-V LDO 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 |
| TPS79718DCKT | 功能描述:低壓差穩(wěn)壓器 - LDO 10-mA 1.8-V LDO 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 |
| TPS79718DCKTG4 | 功能描述:低壓差穩(wěn)壓器 - LDO 10-mA 1.8-V LDO 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 |
| TPS79718MDCKREP | 功能描述:低壓差穩(wěn)壓器 - LDO EP Ultra Lo-Pwr 10Ma LDO Linear Reg 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 |
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