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FEATURES

1

8

GND

EN

2

7

GND

IN

3

6

GND

OUT

4

5

GND

ADJ/BYP

D PACKAGE

(TOP VIEW)

DESCRIPTION/ORDERING INFORMATION

TL5209

500-mA LOW-NOISE LOW-DROPOUT VOLTAGE REGULATOR

WITH SHUTDOWN

SLVS581A – SEPTEMBER 2006 – REVISED MAY 2007

• Adjustable Output Voltage

• Current Limiting and Thermal Protection

• 1%/2% Accuracy (25°C/Full Range)

• Stable With Minimum Load of 1 mA

• 500-mV (Max) Dropout at Full Load of 500 mA

• Reverse-Battery Protection

• Extremely Tight Regulation Over Temperature

• Applications

Range

–

Portable Applications (PDAs, Laptops,

–

0.1%/V (Max) Line Regulation

Cell Phones)

–

0.7% (Max) Load Regulation

–

Consumer Electronics

• Ultra-Low Noise Capability (300 nV/√Hz Typ)

–

Post-Regulation for SMPS

• Shutdown Current of 3 µA (Max)

• Available in Convenient SOIC-8

Surface-Mount Package

• Low Temperature Coefficient

The TL5209 is an efficient PNP low-dropout (LDO) regulator that is well suited for portable applications. It has

significantly lower quiescent current than previously was available from traditional PNP regulators and allows for

a shutdown current of only 0.05

µA (typical). The TL5209 also has very good dropout voltage characteristics,

requiring a maximum dropout of 60 mV at light loads and 500 mV at full load. In addition, the LDO also has 1%

output voltage accuracy and extremely tight line and load regulation that is hard to match by its CMOS

counterparts.

For noise-sensitive applications, the TL5209 allows for low-noise capability via an external bypass capacitor

connected to the BYP pin, which reduces the output noise of the regulator. Other features include current

limiting, thermal shutdown, reverse-battery protection, and low temperature coefficient.

The TL5209 is available with adjustable output. Offered in an SOIC-8 surface-mount package, the TL5209 is

characterized for operation over the virtual junction temperature ranges of –40

°C to 125°C.

ORDERABLE PART NUMBER

TOP-SIDE MARKING

–40

°C to 125°C

SOIC – D

Reel of 2000

TL5209DR

TL5209

(1)

For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI

website at www.ti.com.

(2)

Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at

www.ti.com/sc/package.

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 © 2006–2007, 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.