Protected Quad Driver

with Fault Detection and Sleep Mode

A2557

11

Allegro MicroSystems, Inc.

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

EB Package, 28-pin PLCC

with internally fused pins 5 through 11 and 19 through 25

21

28

A

Dimensions exclusive of mold flash, gate burrs, and dambar protrusions

Exact case and lead configuration at supplier discretion within limits shown

A Terminal #1 mark area

For Reference Only

(reference JEDEC MS-018 AB)

Dimensions in millimeters

12.45±0.13

12.45±0.13

4.57 MAX

C

SEATING

PLANE

C

0.10

28X

11.51±0.08

5.21±0.36

5.21±0.36

5.21±0.36

5.21±0.36

11.51±0.08

0.51

1.27

0.74 ±0.08

0.43 ±0.10