A4983
DMOS Microstepping Driver with Translator
Current Decay Modes Timing Chart
VPHASE
+
IOUT 0
–
See Enlargement A
IOUT
Enlargement A
IPEAK
tFD
toff
tSD
Slow Decay
Mixed Decay
Fast Decay
t
Symbol
toff
IPEAK
tSD
tFD
IOUT
Device fixed off-time
Maximum output current
Slow decay interval
Fast decay interval
Device output current
Characteristic
Allegro MicroSystems, Inc.
9
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com