CALOGIC LLC, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-1076

AS4420 / AS4429

FEATURES

• Logic Input Swing . . . . . . . . . . . . . . . . . . . . . Negative 5V

•ESD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4kV

• Matched Rise and Fall Times . . . . . . . . . . . . . . . . . . 20ns

APPLICATIONS

• Switch-Mode Power Supplies

• Pulse Transformer Driver

• Class D Switching Amplifiers

DESCRIPTION

The AS4420 and AS4429 family operate over 4.5V to 18V,

can withstand high current peaking of 6A and have matched

rise and fall times under 25ns. The product has been

designed utilizing Calogic’s rugged CMOS process with

protection for latch up and ESD. The product is available in

inverting (AS4429) and noninverting (AS4420) configurations.

ORDERING INFORMATION

Part#

Logic

Package Temperature Range

AS4420P Noninverting

AS4420S Noninverting

AS4429P Inverting

AS4429S Inverting

High Speed

MOSFET Drivers

LLC

FUNCTIONAL DIAGRAM AND PIN CONFIGURATIONS

INPUT

GND

INPUT 2

NC 3

GND 4

EFFECTIVE

INPUT

C = 38pF

1L-13

4.7V

DIP

7 OU T P U T

6 OU T P U T

GND

5

1A-07

300mV

AS4420 / AS4429

INPUT

NC

GND

1

2

3

4

SOIC

8

7

6

5

OUTPUT

OUTPUT

GND

1A-08

OUTPUT