Dual DMOS Full-Bridge
Microstepping PWM Motor Driver
A3972
B Package, 24-Pin DIP
1.185
24
0.010
0.250
0.430
0.300
A
1
2
All dimensions nominal, not for tooling use
(reference JEDEC MS-001 BE)
Dimensions in inches
0.210
0.130
Pins 6, 7, 18 and 19 internally fused
Dimensions exclusive of mold flash, gate burrs, and dambar protrusions
Exact case and lead configuration at supplier discretion within limits shown
0.100
A
Terminal #1 mark area
0.005
0.060
0.018
Allegro MicroSystems, LLC
115 Northeast Cutoff
10
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com