1

OUTA

ENBA

2

INA

3

GND

7

ENBB

8

INVERTING

NONINVERTING

OUTB

4

5

INVERTING

NONINVERTING

INB

6

VDD

VDD

UCC27423-Q1

UCC27424-Q1

UCC27425-Q1

www.ti.com

SGLS274D

– SEPTEMBER 2008 – REVISED AUGUST 2011

DUAL 4-A HIGH-SPEED LOW-SIDE MOSFET DRIVERS WITH ENABLE

Check for Samples: UCC27423-Q1, UCC27424-Q1, UCC27425-Q1

1

FEATURES

DESCRIPTION

2

•

Qualified for Automotive Applications

The UCC2742x high-speed dual MOSFET drivers

•

Industry-Standard Pinout

can deliver large peak currents into capacitive loads.

•

Enable Functions for Each Driver

Two standard logic options are offered

– dual

inverting and dual noninverting drivers. They are

•

High Current Drive Capability of

±4 A

offered in the standard SOIC-8 (D) package.

•

Unique Bipolar and CMOS True Drive Output

Stage Provides High Current at MOSFET Miller

Using

a

design

that

inherently

minimizes

shoot-through current, these drivers deliver 4-A

Thresholds

current where it is needed most, at the Miller plateau

•

TTL/CMOS Compatible Inputs Independent of

region, during the MOSFET switching transition. A

Supply Voltage

unique bipolar and MOSFET hybrid output stage in

•

20-ns Typical Rise and 15-ns Typical Fall

parallel also allows efficient current sourcing and

Times With 1.8-nF Load

sinking at low supply voltages.

•

Typical Propagation Delay Times of 25 ns With

The UCC2742x provide enable (ENBL) functions to

Input Falling and 35 ns With Input Rising

have better control of the operation of the driver

•

4-V to 15-V Supply Voltage

applications. ENBA and ENBB are implemented on

pins 1 and 8, which were previously left unused in the

•

Dual Outputs Can Be Paralleled for Higher

industry standard pinout. They are internally pulled up

Drive Current

•

Rated From

–40°C to 125°C

standard operation.

APPLICATIONS

Figure 1. BLOCK DIAGRAM

•

Switch Mode Power Supplies

•

DC/DC Converters

•

Motor Controllers

•

Line Drivers

•

Class D Switching Amplifiers

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

PowerPAD is a trademark of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Copyright

© 2008–2011, 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.