A3986SLDTR View Datasheet(PDF) - Allegro MicroSystems
Part Name
Description
MFG CO.
'A3986SLDTR' PDF : 16 Pages View PDF
A3986
Dual Full-Bridge MOSFET Driver
with Microstepping Translator
STEP
100
71
IOUT1B (%*)
Phase = 1,
0
Direction = H
Slow
STEP
100
71
IOUT1B (%*)
Phase = 1,
0
Direction = H
Slow
Slow
Slow
Mixed
Mixed
Mixed
–71
–100
100
71
IOUT2B (%*)
Phase = 2,
0
Direction = H
Slow
–71
–100
*For precise definition of output levels, refer to table 3
Figure 2. Decay Mode for Full-Step Increments
–71
–100
100
IOUT2B (%*)
Phase = 2,
Direction = H
71
Slow Slow
Slow
Slow
Mixed
Mixed
Mixed
0
–71
–100
*For precise definition of output levels, refer to table 3
Figure 3. Decay Modes for Half-Step Increments
STEP
100
92
71
38
IOUT1B (%*)
Phase = 1,
0
Direction = H
–38
Slow Mixed
Slow Mixed
–71
–92
–100
100
92
71
38
IOUT2B (%*)
Phase = 2,
0
Direction = H
–38
Slow
Mixed
Slow Mixed
Slow
–71
–92
–100
*For precise definition of output levels, refer to table 3
Figure 4. Decay Modes for Quarter-Step Increments
Slow
Mixed
Allegro MicroSystems, Inc.
8
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
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