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TPS7A8101 Fiches technique(PDF) 1 Page - Texas Instruments

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No de pièce TPS7A8101
Description  Low-Noise, Wide-Bandwidth, High PSRR, Low-Dropout 1-A Linear Regulator
Download  24 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

TPS7A8101 Fiches technique(HTML) 1 Page - Texas Instruments

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IN
NR
IN
EN
6
7
8
5
4
OUT
OUT
FB/SNS
GND
DRBPACKAGE
3mmx3mmSON
(TOPVIEW)
1
2
3
TYPICAL POWER-SUPPLY RIPPLE REJECTION
Typical Application Circuit
10
20
30
40
50
60
70
80
90
100
10
100
1k
10k
100k
1M
10M
Frequency (Hz)
IOUT= 10 mA
IOUT= 100 mA
IOUT= 750 mA
IOUT= 1 A
G103
TPS7A8101
GND
EN
FB
IN
OUT
V
IN
V
OUT
V
EN
R
1
R
2
NR
C
NR
C
IN
C
OUT
C
BYPASS
TPS7A8101
www.ti.com
SBVS179A – DECEMBER 2011 – REVISED APRIL 2012
Low-Noise, Wide-Bandwidth, High PSRR,
Low-Dropout 1-A Linear Regulator
1
FEATURES
DESCRIPTION
The TPS7A8101 low-dropout linear regulator (LDO)
2
Low-Dropout 1-A Regulator with Enable
offers very good performance in noise and power-
Adjustable Output Voltage: 0.8 V to 6.0 V
supply rejection ratio (PSRR) at the output. This LDO
Wide-Bandwidth High PSRR:
uses
an
advanced
BiCMOS
process
and
a
PMOSFET pass device to achieve very low noise,
80 dB at 1 kHz
excellent transient response, and excellent PSRR
60 dB at 100 kHz
performance.
54 dB at 1 MHz
The TPS7A8101 is stable with a 4.7-
μF ceramic
Low Noise: 23.5
μVRMS typical (100 Hz to
output capacitor, and uses a precision voltage
100 kHz)
reference and feedback loop to achieve a worst-case
Stable with a 4.7-
μF Capacitance
accuracy of 3% over all load, line, process, and
temperature variations.
Excellent Load/Line Transient Response
This device is fully specified over the temperature
3% Overall Accuracy (over
range of TJ = –40°C to +125°C and is offered in a 3-
Load/Line/Temperature)
mm × 3-mm, SON-8 package with a thermal pad.
Over-Current and Over-Temperature
Protection
Very Low Dropout: 170 mV Typical at 1 A
Package: 3-mm × 3-mm SON-8
APPLICATIONS
Telecom Infrastructure
Audio
High-Speed I/F (PLL/VCO)
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
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2011–2012, 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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