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TPS71202 Datasheet(PDF) 1 Page - Texas Instruments

Part No. TPS71202
Description  Dual 250 mA Output, UltraLow Noise, High PSRR, Low-Dropout Linear Regulator
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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TPS71202 Datasheet(HTML) 1 Page - Texas Instruments

 
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Actual Size
(3 mm x 3 mm)
www.ti.com
FEATURES
DESCRIPTION
APPLICATIONS
EN1
FB1/NC
EN2
FB2/NC
NR
10
9
8
7
6
IN
NC
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
C
OUT = 2.2 µF
C
NR = 0.01 µF
I
OUT = 1 mA
I
OUT = 250 mA
TPS71202, TPS71219
TPS71229, TPS71247
TPS71256, TPS71257
SBVS049B – MAY 2004 – REVISED MARCH 2005
Dual 250 mA Output, UltraLow Noise, High PSRR,
Low-Dropout Linear Regulator
Dual 250 mA High-Performance RF LDOs
The TPS712xx family of low-dropout (LDO) voltage
regulators is tailored to noise-sensitive and RF appli-
Available in Fixed and Adjustable
cations. These products feature dual 250 mA LDOs
Voltage Options (1.2 V to 5.5 V)
with ultralow noise, high power-supply rejection ratio
High PSRR: 65 dB at 10 kHz
(PSRR), and fast transient and start-up response.
UltraLow Noise: 32 µVrms
Each regulator output is stable with low-cost 2.2 µF
ceramic output capacitors and features very low
Fast Start-Up Time: 60 µs
dropout voltages (125 mV typical at 250 mA). Each
Stable with 2.2 µF Ceramic Capacitor
regulator achieves fast start-up times (approximately
Excellent Load/Line Transient Response
60 µs with a 0.001 µF bypass capacitor) while
consuming very low quiescent current (300 µA typical
Very Low Dropout Voltage: 125 mV at 250 mA
with both outputs enabled). When the device is
Independent Enable Pins
placed in standby mode, the supply current is re-
Thermal Shutdown and Independent Current
duced to less than 0.3 µA typical. Each regulator
Limit
exhibits approximately 32 µVrms of output voltage
noise with VOUT = 2.8 V and a 0.01 µF noise
Available in Thermally-Enhanced SON
reduction (NR) capacitor. Applications with analog
Package: 3mm x 3mm x 1mm
components that are noise-sensitive, such as port-
able RF electronics, will benefit from high PSRR, low
noise, and fast line and load transient features. The
Cellular and Cordless Phones
TPS712 family is offered in a thin 3mm x 3mm SON
Wireless PDA/Handheld Products
package and is fully specified from -40°C to +125°C
PCMCIA/Wireless LAN Applications
(TJ).
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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