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FEATURES

DESCRIPTION

APPLICATIONS

UDG-02157

5

13

12

16

15

1

2

3

4

11

6

7

8

14

10

9

+

-

KFF

RT

BP5

SGND

VIN

BPN10

SW

BP10

SYNC

ILIM

TPS40060PWP

SS/SD

VFB

COMP

HDRV

LDRV

PGND

TPS40060

TPS40061

SLUS543D–DECEMBER 2002–REVISED SEPTEMBER 2004

WIDE-INPUT SYNCHRONOUS BUCK CONTROLLER

•

Operating Input Voltage 10 V to 55 V

The TPS40060 and TPS40061 are high-voltage, wide

input (10 V to 55 V) synchronous, step-down con-

•

Input Voltage Feed-Forward Compensation

verters.

•

< 1% Internal 0.7-V Reference

This family of devices offers design flexibility with a

•

Programmable Fixed-Frequency, Up to 1-MHz

variety of user programmable functions, including;

Voltage Mode Controller

soft-start, UVLO, operating frequency, voltage

•

Internal Gate Drive Outputs for High-Side

feed-forward, high-side current limit, and loop com-

P-Channel and Synchronous N-Channel

pensation. These devices are also synchronizable to

MOSFETs

an external supply.

•

The TPS40060 and TPS40061 incorporate MOSFET

•

Thermal Shutdown

gate drivers for external P-channel high-side and

N-channel synchronous rectifier (SR) MOSFETs.

•

Externally Synchronizable

Gate drive logic incorporates anti-cross conduction

•

Programmable High-Side Sense Short Circuit

circuitry to prevent simultaneous high-side and

Protection

synchronous rectifier conduction.

•

Programmable Closed-Loop Soft-Start

•

TPS40060 Source Only/TPS40061 Source/Sink

•

Networking Equipment

•

Telecom Equipment

•

Base Stations

•

Servers

SIMPLIFIED APPLICATION DIAGRAM

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.

PowerPAD is a trademark of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Copyright © 2002–2004, 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.