1

FEATURES

DESCRIPTION

APPLICATIONS

OUT

EN

IN

GND

VSET

C3

B2

A3

C1

A1

IN

GND

Thermal

Pad

(1)

EN

6

5

4

OUT

VSET

NC

1

2

3

TPS728xxSeries

DRVPACKAGE

2mmx2mmSON-6

(TOPVIEW)

TPS728xxSeries

YZUPACKAGE

WCSP-5

(TOPVIEW)

TPS728xx Series

SBVS095 – AUGUST 2007

www.ti.com

200mA Low-Dropout Linear Regulator

with Pin-Selectable Dual-Voltage Level Output

2

• Very Low Dropout: 230mV Typical at 200mA

The TPS728xx series of low-dropout linear regulators

(LDOs), with a selectable dual-voltage level output, is

• 3% Accuracy Over Load/Line/Temperature

designed specially for applications that require two

• Low I

levels of output voltage regulation. Programming

• Available in Fixed-Output Voltages From 0.9V

fuses and memory cards, reducing leakage effects,

to 3.6V Using Innovative Factory EEPROM

and conserving power in nanometric processes are

Programming

some application examples.

• VSET Pin Toggles Output Voltage Between

The VSET pin is used to select one of two output

Two Preset Levels

voltage levels preset through innovative factory

EEPROM programming. A precision bandgap and

–

Preset Output Voltage Levels Can Be

error amplifier provides an overall 3% accuracy over

EEPROM-Programmed To Any Combination

load, line, and temperature extremes.

• High PSRR: 65dB at 1kHz

Ultra-small wafer chip scale (WCSP) and 2mm x

• Stable with a 1.0μF Ceramic Capacitor

2mm SON packages make the TPS728xx series ideal

• Thermal Shutdown and Over-Current

for handheld applications.

Protection

This family of devices is fully specified over a

• Available in Wafer-Level Chip Scale and

2mm x 2mm SON Packages

• Power Rails with Programming Mode

• Dual Voltage Levels for Power-Saving Mode

• Leakage Reduction for 90nm and 65nm

Processors

• Wireless Handsets, Smart Phones, PDAs

• MP3 Players and Other Handheld Products

(1)

It is recommended that the SON package

thermal pad be connected to ground.

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 © 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.