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TPS71319 Datasheet(PDF) 1 Page - Texas Instruments

Part No. TPS71319
Description  Dual 250 mA Output, UltraLow Noise, High PSRR, Low-Dropout Linear Regulator with Integrated SVS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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TPS71319 Datasheet(HTML) 1 Page - Texas Instruments

 
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Actual Size
(3 mm x 3 mm)
www.ti.com
FEATURES
DESCRIPTION
APPLICATIONS
EN1
NC
EN2
FB2/NC
NR
10
9
8
7
6
IN
RESET
OUT1
OUT2
GND
1
2
3
4
5
DRC PACKAGE
3mm x 3mm SON
(TOP VIEW)
80
70
60
50
40
30
20
10
0
10
100
1k
10k
100k
1M
10M
Frequency (Hz)
PSRR (RIPPLE REJECTION) vs FREQUENCY
V
OUT = 2.8 V (adj)
C
OUT = 2.2 µF
C
NR = 0.01 µF
I
OUT = 1 mA
I
OUT = 250 mA
TPS71319
TPS71334
SBVS055A – DECEMBER 2004 – REVISED JANUARY 2005
Dual 250 mA Output, UltraLow Noise, High PSRR,
Low-Dropout Linear Regulator with Integrated SVS
Dual 250 mA High-Performance RF LDOs
The TPS713xx family of low-dropout (LDO) voltage
regulators is tailored to noise-sensitive and RF appli-
Integrated Supply Voltage Supervisor
cations. These products feature dual 250 mA LDOs
Monitors VOUT2
with ultralow noise, high power-supply rejection ratio
Available in Fixed and Adjustable
(PSRR), and fast transient and start-up response.
Voltage Options (1.2 V to 5.5 V)
These devices also feature an integrated supply
High PSRR: 65 dB at 10 kHz
voltage supervisor (SVS) that monitors the voltage at
OUT2 and will assert if the voltage falls to 95%
UltraLow Noise: 32 µVrms
(typical) of the measured output. Each regulator
Fast Start-Up Time: 60 µs
output is stable with low-cost 2.2 µF ceramic output
Stable with 2.2 µF Ceramic Capacitor
capacitors and features very low dropout voltages
(125 mV typical at 250 mA). Each regulator achieves
Excellent Load/Line Transient Response
fast start-up times (approximately 60 µs with a
Very Low Dropout Voltage: 125 mV at 250 mA
0.001 µF bypass capacitor) while consuming very low
Independent Enable Pins
quiescent current (300 µA typical with both outputs
enabled). When the device is placed in standby
Thermal Shutdown and Independent Current
mode, the supply current is reduced to less than
Limit
0.3 µA typical. Each regulator exhibits approximately
Available in Thermally-Enhanced SON
32 µVrms of output voltage noise with VOUT = 2.8 V
Package: 3mm x 3mm x 1mm
and a 0.01 µF noise reduction (NR) capacitor. Appli-
cations
with
analog
components
that
are
noise-sensitive, such as portable RF electronics, will
Cellular and Cordless Phones
benefit from high PSRR, low noise, and fast line and
load transient features. The TPS713xx family is
Wireless PDA/Handheld Products
offered in a thin 3mm x 3mm SON package and is
PCMCIA/Wireless LAN Applications
fully specified from -40
°C to +125°C (T
J).
Digital Camera/Camcorder/Internet Audio
DSP/FPGA/ASIC/Controllers and Processors
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.
PRODUCTION DATA information is current as of publication date.
Copyright © 2004–2005, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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