Dual Full Bridge Motor Driver
A3909
8
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Package LN, 10-Pin SSOP
Terminal #1 mark area
A
1.55 ±0.20
1.00
BSC
21
10
A
C
C
0.21 ±0.04
1.05 (REF)
0.25
0.10
0° to 8°
4.90 ±0.20
3.90 ±0.10 6.00 ±0.20
4.95
2
1
10
0.65
1.00
2.25
0.45
0.30
1.27
0.40
For Reference Only; not for tooling use
Dimensions in millimeters
Dimensions exclusive of mold flash, gate burrs, and dambar protrusions
Exact case and lead configuration at supplier discretion within limits shown
Branded Face
PCB Layout Reference View
Reference land pattern layout. All pads a minimum of 0.20 mm from all
adjacent pads; adjust as necessary to meet application process
requirements and PCB layout tolerances; when mounting on a multilayer
PCB, thermal vias near the pin lands can improve thermal dissipation
(reference EIA/JEDEC Standard JESD51-7)
B
N = Device part number
= Supplier emblem
Y = Last two digits of year of manufacture
W = Week of manufacture
L = Lot number
NNNNNNN
LLLL
1
YYWW
Standard Branding Reference View
B
Branding scale and appearance at supplier discretion
