DMOS Microstepping Driver with Translator

A3979

6

Allegro MicroSystems, Inc.

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

www.allegromicro.com

Characteristic

Symbol

Test Conditions*

Value

Units

Package Thermal Resistance

connected with thermal vias and to device exposed pad

32

ºC/W

High-K PCB (multilayer with significant copper areas,

based on JEDEC standard)

28

ºC/W

*Additional thermal information available on Allegro Web site.

THERMAL CHARACTERISTICS may require derating at maximum conditions, see application information

Temperature (°C)

0.0

0.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

1.0

1.5

20

40

60

80

100

120

140

160

(R

θJA

= 32

ºC/W)

(R

θJA

= 28

ºC/W)

High-K

PCB

2-Layer

PCB

with

3.8

copper

per

side