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TPS79927DRVR Datasheet Preview

TPS79927DRVR Datasheet

High-PSRR Low-Dropout Linear Regulator

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TPS799
SBVS056K – JANUARY 2005 – REVISED JANUARY 2015
TPS799 200-mA, Low-Quiescent Current, Ultralow Noise, High-PSRR Low-Dropout Linear
Regulator
1 Features
1 200-mA Low-Dropout Regulator With EN
• Multiple Output Voltage Versions Available:
– Fixed Outputs of 1.2 V to 4.5 V Using
Innovative Factory EEPROM Programming
– Adjustable Outputs from 1.20 V to 6.5 V
• Inrush Current Protection with EN Toggle
• Low IQ: 40 μA
• High PSRR: 66 dB at 1 kHz
• Stable with a Low-ESR, 2-μF Typical Output
Capacitance
• Excellent Load and Line Transient Response
• 2% Overall Accuracy (Load, Line, and
Temperature)
• Very Low Dropout: 100 mV
• Package: 5-Bump, Thin, 1-mm × 1.37-mm
DSBGA
3 Description
The TPS799 family of low-dropout (LDO), low-power
linear regulators offers excellent ac performance with
very low ground current. High power-supply rejection
ratio (PSRR), low noise, fast start-up, and excellent
line and load transient response are provided while
consuming a very low 40-μA (typical) ground current.
The TPS799 is stable with ceramic capacitors and
uses an advanced BiCMOS fabrication process to
yield a dropout voltage of typically 100 mV at a
200-mA output. The TPS799 uses a precision voltage
reference and feedback loop to achieve an overall
accuracy of 2% over all load, line, process, and
temperature variations. The TPS799 features inrush
current protection when the EN toggle is used to start
the device, immediately clamping the current.
All devices are fully specified over the temperature
range of TJ = –40°C to 125°C, and offered in a low-
profile, die-sized ball grid array (DSBGA) package,
ideal for wireless handsets and WLAN cards.
2 Applications
• Cellular Phones
• Wireless LAN, Bluetooth®
• VCOs, RF
• Handheld Organizers, PDAs
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
SOT (5)
2.90 mm x 1.60 mm
TPS799
SON (6)
2.00 x 2.00 mm
DSBGA (5)
1.57 mm x 1.20 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Typical Application Circuit
Fixed Voltage Versions
Optional input capacitor.
May improve source
impedance, noise, or PSRR.
VIN
IN
OUT
VOUT
TPS799xx
EN GND NR
2.2mF
Ceramic
VEN
Optional bypass capacitor
to reduce output noise
and increase PSRR.
Typical Application Circuit
Adjustable Voltage Version
Optional input capacitor.
May improve source
impedance, noise, or PSRR.
VOUT =
(R1 + R2) ´ 1.193
R2
VIN
IN
OUT
VOUT
TPS79901
EN GND FB
R1
CFB
2.2mF
Ceramic
R2
VEN
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.




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TPS79927DRVR Datasheet Preview

TPS79927DRVR Datasheet

High-PSRR Low-Dropout Linear Regulator

No Preview Available !

TPS799
SBVS056K – JANUARY 2005 – REVISED JANUARY 2015
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
5.1 Fixed Voltage Versions ............................................. 3
5.2 Adjustable Voltage Versions ..................................... 3
6 Specifications......................................................... 5
6.1 Absolute Maximum Ratings ...................................... 5
6.2 ESD Ratings ............................................................ 5
6.3 Recommended Operating Conditions....................... 5
6.4 Thermal Information .................................................. 5
6.5 Electrical Characteristics........................................... 6
6.6 Typical Characteristics .............................................. 7
7 Detailed Description ............................................ 12
7.1 Overview ................................................................. 12
7.2 Functional Block Diagram ....................................... 12
7.3 Feature Description................................................. 13
7.4 Device Functional Modes........................................ 13
8 Application and Implementation ........................ 14
8.1 Application Information............................................ 14
8.2 Typical Applications ................................................ 14
8.3 Do's and Don'ts ...................................................... 16
9 Power Supply Recommendations...................... 16
10 Layout................................................................... 16
10.1 Layout Guidelines ................................................. 16
10.2 Layout Example .................................................... 17
10.3 Thermal Information .............................................. 17
11 Device and Documentation Support ................. 18
11.1 Device Support...................................................... 18
11.2 Documentation Support ........................................ 18
11.3 Trademarks ........................................................... 18
11.4 Electrostatic Discharge Caution ............................ 18
11.5 Glossary ................................................................ 18
12 Mechanical, Packaging, and Orderable
Information ........................................................... 18
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision J (August 2010) to Revision K
Page
• Added ESD Ratings table, Feature Description section, Device Functional Modes, Application and Implementation
section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and
Mechanical, Packaging, and Orderable Information section ................................................................................................. 1
• Changed Features list ........................................................................................................................................................... 1
• Changed Description section.................................................................................................................................................. 1
• Changed figure on front page; replaced device pinouts with application circuits................................................................... 1
• Changed Pin Configuration and Functions section; updated table format, renamed pin packages to meet new
standards ............................................................................................................................................................................... 3
• Changed "free-air" to "junction" temperature in condition statement for Absolute Maximum Ratings .................................. 5
• Changed free-air to junction in Recommended Operating Conditions table conditions......................................................... 5
• Added thermal information for additional device packages ................................................................................................... 5
Changes from Revision I (November 2007) to Revision J
Page
• Replaced the Dissipation Ratings table with the Thermal Information table .......................................................................... 5
2
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Copyright © 2005–2015, Texas Instruments Incorporated


Part Number TPS79927DRVR
Description High-PSRR Low-Dropout Linear Regulator
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