70

75

80

85

90

95

100

0

0.5

1

1.5

2

2.5

Output Current (A)

G000

VOUT

VIN

TPS84250

VADJ

AGND

PGND

PWRGD

RT/CLK

INH/UVLO

SS/TR

STSEL

TPS84250

www.ti.com

SLVSAR6 – AUGUST 2012

7-V to 50-V Input, 2.5-A Step-Down, Integrated Power Solution

Check for Samples: TPS84250

1

FEATURES

DESCRIPTION

•

Complete Integrated Power Solution Allows

The TPS84250 is an easy-to-use integrated power

Small Footprint, Low-Profile Design

solution that combines a 2.5-A DC/DC converter with

•

Wide Input Voltage Range from 7 V to 50 V

an inductor and passives into a low profile, QFN

•

Output Adjustable from 2.5 V to 15 V

package. This total power solution allows as few as

five external components and eliminates the loop

•

65-V Surge Capability

compensation and magnetics part selection process.

•

Efficiencies Up To 96%

The small 9 mm × 11 mm × 2.8 mm, QFN package is

•

Adjustable Switching Frequency

easy to solder onto a printed circuit board and allows

(300 kHz to 1 MHz)

a compact point-of-load design with greater than 90%

•

Synchronizes to an External Clock

efficiency and excellent power dissipation capability.

•

Adjustable Slow-Start

The TPS84250 offers the flexibility and the feature-

set of a discrete point-of-load design and is ideal for

•

Output Voltage Sequencing and Tracking

powering

a

wide

range

of

ICs

and

systems.

•

Power Good Output

Advanced packaging technology affords a robust and

•

Programmable Undervoltage Lockout (UVLO)

reliable power solution compatible with standard QFN

mounting and testing techniques.

•

Output Overcurrent Protection

•

Over Temperature Protection

SIMPLIFIED APPLICATION

•

Pre-bias Output Start-up

•

Operating Temperature Range: –40°C to 85°C

•

Enhanced Thermal Performance: 14°C/W

•

Meets EN55022 Class B Emissions

•

For Design Help visit

http://www.ti.com/TPS84250

APPLICATIONS

•

Industrial and Motor Controls

•

Automated Test Equipment

•

Medical and Imaging Equipment

•

High Density Power Systems

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.

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.