A4983 View Datasheet(PDF) - Allegro MicroSystems
Part Name
Description
MFG CO.
'A4983' PDF : 16 Pages View PDF
A4983
DMOS Microstepping Driver with Translator
THERMAL CHARACTERISTICS may require derating at maximum conditions
Characteristic
Symbol
Test Conditions*
Package Thermal Resistance
RθJA Package ET; 4-layer PCB, based on JEDEC standard
*In still air. Additional thermal information available on Allegro Web site.
Value Units
32 ºC/W
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
20
Maximum Power Dissipation, PD(max)
(R
θJA = 32 ºC/W)
40 60 80 100 120 140 160 180
Temperature (°C)
Allegro MicroSystems, Inc.
5
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
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