A2557SLB View Datasheet(PDF) - Allegro MicroSystems
Part Name
Description
MFG CO.
'A2557SLB' PDF : 12 Pages View PDF
2557
PROTECTED QUAD DRIVER
WITH FAULT DETECTION
& SLEEP MODE
EB Package, 28-pin PLCC
with internally fused pins 5 through 11 and 19 through 25
.456 11.58
2X .450 11.43
B
.007 [0.18] H B
.002 [0.05] B
2 1 28
A
.495 12.57
.485 12.32
.007 [0.18] H B A
.456 11.58
2X .450 11.43
.007 [0.18] H B A
.002 [0.05] B
.020 0.51
.219 5.56
.191 4.85
.495 12.57
.485 12.32
.007 [0.18] H B A
28X
.032
.026
0.81
0.66
.007 [0.18] C B A
28X
.004 [0.10] C
28X
.021
.013
0.53
0.33
.007 [0.18] C B A
.219 5.56
.191 4.85
Preliminary dimensions, for reference only
(reference JEDEC MS-018 AB)
Dimensions in inches
Millimeters (mm) 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
A Terminal #1 mark area
.219 5.56
.191 4.85
.219 5.56
.191 4.85
.020 0.51
MIN
.120 3.05
.090 2.29
.180 4.57
.165 4.19
H
C
SEATING
PLANE
.050 1.27
115 Northeast Cutoff, Box 15036
10
Worcester, Massachusetts 01615-0036 (508) 853-5000
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