0

1

2

3

4

5

6

1.5V to 1.0V

1.5V to 1.2V

1.8V to 1.5V

2.5V to 1.8V

3.0V to 2.5V

3.3V to 3.0V

5.5V to 5.0V

0

1

2

3

Time (100

µs/div)

Output Current

Output Current Slew Rate: 1A/

µs

G311

IN

EN

SS

PG

OUT

SNS

C

SS

C

IN

C

OUT

1.5 V

GND

1.2 V = 0.5 V

+ 100 mV

+ 200 mV

+ 400 mV

ref

TPS7A7200

FB

1.6V

800mV

400mV

200mV

100mV

50mV

Optional

TPS7A7200

www.ti.com

SBVS136C – MARCH 2012 – REVISED MAY 2012

2-A, Fast-Transient, Low-Dropout Voltage Regulator

1

FEATURES

DESCRIPTION

234

•

Low Dropout Voltage: 180 mV at 2 A

The TPS7A7200 low-dropout (LDO) voltage regulator

•

is designed for applications seeking very-low dropout

capability (180 mV at 2 A) with an input voltage from

•

1.5 V to 6.5 V. The TPS7A7200 offers an innovative,

user-configurable, output-voltage setting from 0.9 V to

•

Very Good Load and Line Transient Response

3.5

V,

eliminating

external

resistors

and

any

•

Stable with Ceramic Output Capacitor

associated error.

•

1.5% Accuracy over Line, Load, and

The

TPS7A7200

has

very

fast

load-transient

Temperature

response, is stable with ceramic output capacitors,

•

Programmable Softstart

and supports a better than 2% accuracy over line,

load, and temperature. A soft-start pin allows for an

•

Power Good (PG) Output

application

to

reduce

inrush

into

the

load.

•

3-mm × 3-mm QFN-16 and 5-mm × 5-mm QFN-

Additionally, an open-drain, power-good signal allows

20 Packages

for sequencing power rails.

The TPS7A7200 is available in a 3-mm × 3-mm,

APPLICATIONS

16-pin QFN and a 5-mm × 5-mm, 20-pin QFN

•

Wireless Infrastructure: SerDes, FPGA, DSP™

packages.

•

RF Components: VCO, ADC, DAC, LVDS

•

Set-Top Boxes: Amplifier, ADC, DAC, FPGA,

DSP

•

•

PCs and Printers

•

Audio and Visual

Load Transient Response with

Seven Different Results:

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

DSP is a trademark of Texas Instruments.

3

Bluetooth is a registered trademark of Bluetooth SIG, Inc.

4

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.