A3985 Allegro MicroSystems, Inc., A3985 Datasheet - Page 15

• Manufacturer Part Number: A3985
• Description: Digitally Programmable Dual Full-Bridge MOSFET Driver
• Manufacturer: Allegro MicroSystems, Inc.

A3985
required to permit improvements in the per for mance, reliability, or manufacturability of its products. Before placing an order, the user is
cautioned to verify that the information being relied upon is current.
for its use; nor for any in fringe ment of patents or other rights of third parties which may result from its use.
Copyright©2005, 2006 AllegroMicrosystems, Inc.
The products described here are manufactured under one or more U.S. patents or U.S. patents pending.
Allegro MicroSystems, Inc. reserves the right to make, from time to time, such de par tures from the detail spec i fi ca tions as may be
Allegro products are not authorized for use as critical components in life-support devices or sys tems without express written approval.
The in for ma tion in clud ed herein is believed to be ac cu rate and reliable. How ev er, Allegro MicroSystems, Inc. assumes no re spon si bil i ty
38X
38X
1.85
NOM
0.10 [.004]
0.27
0.17
0.08 [.003] M C A B
.073
.011
.007
C
38
B
38
1
1
2
2
A
0.30
NOM
.012
9.8
9.6
.386
.378
36X 0.20
MIN
0.50 .020
LD Package, 38-Pin TSSOP
.008
Dual Full-Bridge MOSFET Driver
5.9
NOM
0.50
NOM
A
0.15
0.00
.232
.020
4.5
4.3
1.20
MAX
SEATING
PLANE
.006
.000
B
.177
.169
.047
6.6
6.2
A Terminal #1 mark area
B Reference land pattern layout (reference IPC7351
C
Preliminary dimensions, for reference only
(reference JEDEC MO-153 BD-1)
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
TSSOP50P640X120-38M); adjust as necessary to meet
application process requirements and PCB layout tolerances
.260
.244
Digitally Programmable
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
GAUGE PLANE
8º
0º
0.75
0.45
0.25 .010
SEATING PLANE
0.20
0.09
1
REF
.030
.018
.039
.008
.004
15