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A3969 Datasheet(PDF) 9 Page - Allegro MicroSystems

Part No. A3969
Description  Dual Full-Bridge PWM Motor Driver
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Manufacturer  ALLEGRO [Allegro MicroSystems]
Direct Link  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems

A3969 Datasheet(HTML) 9 Page - Allegro MicroSystems

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Dual Full-Bridge PWM Motor Driver
A3969
9
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
Package ET, 28 pin QFN
Package ET, 28 pin QFN
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.
Allegro 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.
Allegro products are not authorized for use as critical components in life-support devices or systems without express written approval.
The information included herein is believed to be accurate and reliable. However, Allegro MicroSystems, Inc. assumes no responsibility for its
use; nor for any infringement of patents or other rights of third parties which may result from its use.
Copyright© 2006, Allegro MicroSystems, Inc.
0.30
NOM
.012
0.50
NOM
.020
0.85
NOM
.033
3.15
NOM
.123
3.15
NOM
.123
5.2
NOM
.203
5.2
NOM
.203
0.30
0.18
.012
.007
0.65
0.45
.026
.018
1.00
0.80
.039
.031
0.05
0.00
.002
.000
5.15
4.85
.203
.191
5.15
4.85
.203
.191
0.20
REF
.008
A
B
C
SEATING
PLANE
C
0.08 [.003]
28X
28X
0.10 [.004] M C
A
B
0.05 [.002] M C
0.50 .020
24X0.20
MIN
.008
4X0.20
MIN
.008
4X0.20
MIN
.008
28
2
1
A Terminal #1 mark area
B Exposed thermal pad (terminal #1 identifier appearance
at supplier discretion)
All dimensions reference only, not for tooling use.
(reference JEDEC MO-220VHHD)
Dimensions in millimeters
U.S. Customary dimensions (in.) in brackets, for reference only
Dimensions exclusive of mold flash, gate burrs, and dambar protrusions
Exact case and lead configuration at supplier discretion within limits shown
C
C
Reference land pattern layout (reference IPC7351
QFN50P500X500X80-29W3M); adjust as necessary to
meet application process requirements and PCB layout
tolerances; when mounting on a multilayer PCB, thermal
vias at the exposed thermal pad land can improve thermal
dissipation (reference EIA/JEDEC Standard JESD51-5)
28
28
2
1
2
1
A
B
R0.30
REF
.012
3.15
NOM
.124
3.15
NOM
.124


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