3966
DUAL FULL-BRIDGE
PWM MOTOR DRIVER
2.5
2.0
1.5
1.0
TA = +25°C
Typical output saturation
voltages showing Satlington
sink-driver operation.
SOURCE DRIVER
0.5
0
SINK DRIVER
500
OUTPUT CURRENT IN MILLIAMPERES
200
300
400
600
700
TYPICAL APPLICATION
(A3966SLB)
Dwg. GP-064-1A
16
1
2
V
BB
PHASE
PHASE
2
15
14
13
12
11
1
1
ENABLE
ENABLE
2
3
4
The products described here are manufactured under one or more
U.S. patents or U.S. patents pending. Satlington® is a registered
trademark of Allegro MicroSystems, Inc. (Allegro), and Satlington
devices are manufactured under U. S. Patent No. 5,684,427.
LOGIC
LOGIC
0.5 Ω
0.5 Ω
5
6
+5 V
Allegro MicroSystems, Inc. reserves the right to make, from time to
time, such departures from the detail specifications as may be
required to permit improvements in the performance, reliability, or
manufacturability of its products. Before placing an order, the user is
cautioned to verify that the information being relied upon is current.
+24 V
V
BB
+5 V
7
8
V
10
9
CC
V
RC
REF
47 μF
Allegro products are not authorized for use as critical components
in life-support devices or systems without express written approval.
Dwg. EP-047-4A
The information included herein is believed to be accurate and
reliable. However, Allegro MicroSystems, Inc. assumes no responsi-
bility for its use; nor for any infringement of patents or other rights of
third parties which may result from its use.
www.allegromicro.com
7
ALLEGRO [ ALLEGRO MICROSYSTEMS ]
