TPS2832, TPS2833

FAST SYNCHRONOUS-BUCK MOSFET DRIVER

WITH DEADTIME CONTROL

SLVS195B – JANUARY 1999 – REVISED SEPTEMBER 1999

1

POST OFFICE BOX 655303

High-Side Driver

Propagation Delay — 3-nF Load

Applications

Operating Range

description

The TPS2832 and TPS2833 are MOSFET drivers for synchronous-buck power stages. These devices are ideal

for designing a high-performance power supply using a switching controller that does not include suitable

MOSFET drivers on the chip. The drivers are designed to deliver 2.4-A peak currents into large capacitive loads.

Higher currents can be controlled by using multiple drivers in a multiphase configuration. The high-side driver

can be configured as a ground-reference driver or as a floating bootstrap driver. An adaptive dead-time control

circuit eliminates shoot-through currents through the main power FETs during switching transitions and provides

high efficiency for the buck regulator.

The TPS2832 has a noninverting input. The TPS2833 has an inverting input. The TPS2832/33 drivers, available

in 8-terminal SOIC packages, operate over a junction temperature range of –40

°C to 125°C.

AVAILABLE OPTIONS

PACKAGED DEVICES

TJ

SOIC

(D)

–40

°C to 125°C

TPS2832D

TPS2833D

The D package is available taped and reeled. Add R

suffix to device type (e.g., TPS2830DR)

Copyright

© 1999, Texas Instruments Incorporated

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

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.

D PACKAGE

(TOP VIEW)

1

2

3

4

8

7

6

5

IN

PGND

DT

BOOT

HIGHDR

BOOTLO

LOWDR