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TPS799L57 Datasheet Preview

TPS799L57 Datasheet

Low-Dropout Linear Regulator

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TPS799L54, TPS799L57
SBVS191B – APRIL 2012 – REVISED AUGUST 2014
TPS799Lxx 200-mA, Low-Dropout Linear Regulator
with Built-In Inrush Current Protection
1 Features
1 200-mA Low-Dropout Regulator with EN
• Multiple Output Voltage Versions Available:
– TPS799L: Fixed Outputs of 5.2 V to 6.2 V
Using Innovative Factory EEPROM
Programming
– TPS799L57: 5.7-V Output
– TPS799L54: 5.4-V Output
TPS799: Output Options Less Than 5.2 V
• Inrush current Protection with EN Toggle
• Low IQ: 40 μA
• High PSRR: 66 dB at 1 kHz
• Stable with a Low-ESR, 2.0-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
2 Applications
• Cellular Phones
• Wireless LAN, Bluetooth®
• VCOs, RF
• Handheld Organizers, PDAs
3 Description
The TPS799L 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 TPS799Lxx 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 TPS799L uses a precision
voltage reference and feedback loop to achieve an
overall accuracy of 2% over all load, line, process,
and temperature variations. The TPS799L 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.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPS799Lxx
DSBGA (5)
1.57 mm × 1.20 mm
(1) For all available packages, see the package option addendum
at the end of the datasheet.
Typical Application Circuit
Optional input capacitor.
May improve source
impedance, noise, or PSRR.
VIN
IN
OUT
VOUT
TPS799Lxx
EN GND NR
2.2 mF
Ceramic
VEN
Optional bypass capacitor
to reduce output noise
and increase PSRR.
TPS799LxxYZY
WCSP
(TOP VIEW)
IN
GND
NR
C3 C1
B2
A3 A1
OUT
EN
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.




etcTI

TPS799L57 Datasheet Preview

TPS799L57 Datasheet

Low-Dropout Linear Regulator

No Preview Available !

TPS799L54, TPS799L57
SBVS191B – APRIL 2012 – REVISED AUGUST 2014
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
6 Specifications......................................................... 4
6.1 Absolute Maximum Ratings ...................................... 4
6.2 Handling Ratings....................................................... 4
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information .................................................. 4
6.5 Electrical Characteristics.......................................... 5
6.6 Typical Characteristics .............................................. 6
7 Detailed Description .............................................. 9
7.1 Overview ................................................................... 9
7.2 Functional Block Diagram ......................................... 9
7.3 Feature Description................................................. 10
7.4 Device Functional Modes........................................ 10
8 Application and Implementation ........................ 11
8.1 Application Information............................................ 11
8.2 Typical Application ................................................. 11
8.3 Do's and Don'ts ...................................................... 12
9 Power-Supply Recommendations...................... 12
10 Layout................................................................... 13
10.1 Layout Guidelines ................................................. 13
10.2 Layout Example .................................................... 14
11 Device and Documentation Support ................. 15
11.1 Device Support...................................................... 15
11.2 Documentation Support ....................................... 15
11.3 Related Links ........................................................ 15
11.4 Trademarks ........................................................... 15
11.5 Electrostatic Discharge Caution ............................ 15
11.6 Glossary ................................................................ 16
12 Mechanical, Packaging, and Orderable
Information ........................................................... 16
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision A (July 2012) to Revision B
Page
• Changed document format; added new sections and moved existing sections..................................................................... 1
• Added TPS799L54 device to data sheet................................................................................................................................ 1
• Changed WCSP package name to DSBGA throughout data sheet....................................................................................... 1
• Changed free-air to junction in Absolute Maximum Ratings table conditions ........................................................................ 4
• Changed free-air to junction in Recommended Operating Conditions table conditions......................................................... 4
• Deleted Start-up time symbol ................................................................................................................................................. 5
Changes from Original (April 2012) to Revision A
Page
• Deleted Figure 19 ................................................................................................................................................................. 13
2
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Copyright © 2012–2014, Texas Instruments Incorporated
Product Folder Links: TPS799L54 TPS799L57


Part Number TPS799L57
Description Low-Dropout Linear Regulator
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