50

55

60

65

70

75

80

85

90

95

100

0

1

2

3

4

5

6

Output Current (A)

LMZ31506H

PWRGD

SENSE+

VOUT

VIN

PVIN

INH/UVLO

RT/CLK

VADJ

SS/TR

STSEL

AGND

PGND

C

IN

LMZ31506H

www.ti.com

SNVS996 – JULY 2013

Check for Samples: LMZ31506H

1

FEATURES

DESCRIPTION

2

•

Complete Integrated Power Solution Allows

The

LMZ31506H

SIMPLE

SWITCHER®

power

Small Footprint, Low-Profile Design

module is an easy-to-use integrated power solution

•

9mm x 15mm x 2.8mm package

that combines a 6-A DC-to-DC converter with power

•

Efficiencies Up To 96%

MOSFETs, a shielded inductor, and passives into a

low profile, QFN package. This total power solution

•

Wide-Output Voltage Adjust

allows as few as 3 external components and

1.2 V to 5.5 V, with 1% Reference Accuracy

eliminates the loop compensation and magnetics part

•

Optional Split Power Rail allows

selection process.

input voltage down to 1.7 V

The 9×15×2.8 mm QFN package is easy to solder

•

Adjustable Switching Frequency

onto a printed circuit board and allows a compact

(480 kHz to 780 kHz)

point-of-load design with greater than 90% efficiency

•

Synchronizes to an External Clock

and excellent power dissipation with a thermal

impedance of 13°C/W junction to ambient. The

•

Adjustable Slow-Start

device delivers the full 6-A rated output current at

•

Output Voltage Sequencing / Tracking

85°C ambient temperature without airflow.

•

Power Good Output

The LMZ31506H offers the flexibility and the feature-

•

Programmable Undervoltage Lockout (UVLO)

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

•

Output Overcurrent Protection

powering performance DSPs and FPGAs. Advanced

packaging technology afford a robust and reliable

•

Over Temperature Protection

power

solution

compatible

with

standard

QFN

•

Pre-bias Output Start-up

mounting and testing techniques.

•

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

SIMPLIFIED APPLICATION

•

Enhanced Thermal Performance: 13°C/W

•

Meets EN55022 Class B Emissions

- Integrated Shielded Inductor

APPLICATIONS

•

Broadband & Communications Infrastructure

•

Automated Test and Medical Equipment

•

Compact PCI / PCI Express / PXI Express

•

DSP and FPGA Point of Load Applications

•

High Density Distributed 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.

2

SIMPLE SWITCHER is a registered trademark of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Copyright © 2013, 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.