IN

EN

NC

C

IN

C

OUT

Input Voltage

Output Voltage

TPS7A7001

NC

OUT

FB

NC

GND

Enable

V

= 0.5

OUT

1 +

´

R

1

R

2

R

2

R

1

TPS7A7001

www.ti.com

SBVS134A – JANUARY 2012 – REVISED JUNE 2012

Very Low Input, Very Low Dropout, 2-Amp Regulator With Enable

1

FEATURES

DESCRIPTION

The TPS7A7001 is a high-performance, positive-

23

•

Input Voltage as low as 1.425 V

voltage, low-dropout (LDO) regulator designed for

•

380 mV Dropout Maximum at 2 A

use in applications requiring very low input voltage

•

Adjustable Output from 0.5 V

and very low dropout voltage at up to 2 A. The device

operates with a single input voltage as low as 1.425

•

Protections: Current Limit and Thermal

V, and with an output voltage programmable to as

Shutdown

low as 0.5 V. The output voltage can be set using an

•

Enable Pin

external divider.

•

1-µA Quiescent Current in Shutdown Mode

The TPS7A7001 features ultralow dropout, ideal for

•

Full Industrial Temperature Range

•

Available in SOIC-8, Fully RoHS-Compliant

Additionally, the TPS7A7001 has an enable pin for

further reduced power dissipation while in Shutdown

Package

mode. The TPS7A7001 provides excellent regulation

over variations in line, load, and temperature.

APPLICATIONS

The

TPS7A7001

is

available

in

an

SOIC-8

•

Telecom/Networking Cards

PowerPAD™ package.

•

Motherboards/Peripheral Cards

•

Industrial

•

Wireless Infrastructure

•

Set-Top Boxes

•

Medical Equipment

•

Notebook Computers

•

Battery-Powered Systems

Typical Application

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

PowerPAD is a trademark of Texas Instruments.

3

All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 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.