DMOS Microstepping Driver with Translator

and Overcurrent Protection

A4985

5

Allegro MicroSystems, Inc.

115 Northeast Cutoff, Box 15036

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

www.allegromicro.com

THERMAL CHARACTERISTICS may require derating at maximum conditions

Characteristic

Symbol

Test Conditions*

Value Units

Package Thermal Resistance

ES package; estimated, on 4-layer PCB, based on JEDEC standard

37

ºC/W

ET package; estimated, on 4-layer PCB, based on JEDEC standard

32

ºC/W

LP package; on 4-layer PCB, based on JEDEC standard

28

ºC/W

*In still air. Additional thermal information available on Allegro Web site.

20

40

60

80

100

120

140

160

180

Temperature (°C)

0.0

0.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

1.0

1.5

R

ºC/W

R

ºC/W

R

ºC/W