a4982 Allegro MicroSystems, Inc., a4982 Datasheet - Page 11

• Manufacturer Part Number: a4982
• Description: Dmos Microstepping Driver With Translator And Overcurrent Protection
• Manufacturer: Allegro MicroSystems, Inc.

A4982
I
OUT
V
STEP
–100.00
100.00
–70.71
70.71
0
I
OUT
Figure 7. Current Decay Modes Timing Chart
Symbol
I
I
PEAK
t
t
OUT
t
SD
FD
off
See Enlargement A
DMOS Microstepping Driver with Translator
Device fixed off-time
Maximum output current
Slow decay interval
Fast decay interval
Device output current
I
PEAK
t
FD
Enlargement A
Characteristic
t
off
t
and Overcurrent Protection
SD
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
t
11