A2557 Allegro MicroSystems, Inc., A2557 Datasheet - Page 11

• Manufacturer Part Number: A2557
• Description: Protected Quad Driver With Fault Detection And Sleep Mode
• Manufacturer: Allegro MicroSystems, Inc.

A2557
with internally fused pins 5 through 11 and 19 through 25
12.45±0.13
28X
11.51±0.08
0.10
0.74 ±0.08
A Terminal #1 mark area
0.43 ±0.10
C
Dimensions exclusive of mold flash, gate burrs, and dambar protrusions
Exact case and lead configuration at supplier discretion within limits shown
For Reference Only
(reference JEDEC MS-018 AB)
Dimensions in millimeters
EB Package, 28-pin PLCC
5.21±0.36
2
11.51±0.08
12.45±0.13
with Fault Detection and Sleep Mode
1
28
5.21±0.36
A
1.27
SEATING
PLANE
4.57 MAX
Protected Quad Driver
C
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
0.51
5.21±0.36
5.21±0.36
11