Typical Size

6,6 mm X 9,8 mm

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FEATURES

APPLICATIONS

DESCRIPTION

TPS54611-EP, TPS54612-EP

TPS54613-EP, TPS54614-EP

TPS54615-EP, TPS54616-EP

SGLS293A – FEBRUARY 2005 – REVISED AUGUST 2005

3-V TO 6-V INPUT, 6-A OUTPUT SYNCHRONOUS BUCK PWM

SWITCHER WITH INTEGRATED FETs (SWIFT™)

•

Low-Voltage, High-Density Systems With

•

Controlled Baseline

Power Distributed at 5 V or 3.3 V

– One Assembly/Test Site, One Fabrication

•

Point of Load Regulation for High

Site

Performance DSPs, FPGAs, ASICs and

•

Extended Temperature Performance of –55

°C

Microprocessors

to 125

°C

•

Broadband, Networking and Optical

•

Enhanced Diminishing Manufacturing

Communications Infrastructure

Sources (DMS) Support

•

Portable Computing/Notebook PCs

•

Enhanced Product-Change Notification

•

•

30-m

Ω, 12-A Peak MOSFET Switches for High

The

SWIFT™

family

of

dc/dc

regulators,

the

Efficiency at 6-A Continuous Output Source

TPS54611,

TPS54612,

TPS54613,

TPS54614,

TPS54615,

and

TPS54616

low-input

voltage

and Sink

high-output

current

synchronous-buck

PWM

•

0.9-V, 1.2-V, 1.5-V, 1.8-V, 2.5-V, and 3.3-V

converters integrate all required active components.

Fixed Output Voltage Devices With 1% Initial

Included on the substrate are true, high-performance,

Accuracy

voltage error amplifiers that provide high performance

•

Internally Compensated for Easy Use and

under transient conditions; an under-voltage lockout

Minimal Component Count

circuit to prevent start-up until the input voltage

reaches

3

V;

an

internally

and

externally

set

•

Fast Transient Response

slow-start circuit to limit in-rush currents; and a power

•

Wide PWM Frequency - Fixed 350 kHz,

good output useful for processor/logic reset, fault

550 kHz or Adjustable 280 kHz to 700 kHz

signaling, and supply sequencing.

•

Load Protected by Peak Current Limit and

The TPS54611-6 devices are available in a thermally

Thermal Shutdown

enhanced

28-pin

TSSOP

(PWP)

PowerPAD™

•

Integrated Solution Reduces Board Area and

package, which eliminates bulky heatsinks. Texas

Total Cost

Instruments provides evaluation modules and the

SWIFT™ designer software tool to aid in quickly

(1)

Component qualification in accordance with JEDEC and

industry standards to ensure reliable operation over an

achieving high-performance power supply designs to

extended temperature range. This includes, but is not limited

meet aggressive equipment development cycles.

to, Highly Accelerated Stress Test (HAST) or biased 85/85,

temperature cycle, autoclave or unbiased HAST,

electromigration, bond intermetallic life, and mold compound

life. Such qualification testing should not be viewed as

justifying use of this component beyond specified

performance and environmental limits.

These devices have limited built-in ESD protection. The leads should be shorted together or the device

placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

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.

SWIFT, PowerPAD are trademarks of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Copyright © 2005, 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.