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ISL28288_11 Datasheet, PDF (17/20 Pages) Intersil Corporation – Digital DC/DC PMBus 12A Module
ISL28288, ISL28488
Quarter Size Outline Plastic Packages Family (QSOP)
A
N
D
(N/2)+1
MDP0040
QUARTER SIZE OUTLINE PLASTIC PACKAGES FAMILY
INCHES
SYMBOL QSOP16 QSOP24 QSOP28 TOLERANCE NOTES
E E1
PIN #1
I.D. MARK
A
0.068 0.068 0.068
Max.
-
A1
0.006 0.006 0.006
±0.002
-
A2
0.056 0.056 0.056
±0.004
-
b
0.010 0.010 0.010
±0.002
-
1
B
0.010 C A B
(N/2)
c
0.008 0.008 0.008
±0.001
-
D
0.193 0.341 0.390
±0.004
1, 3
E
0.236 0.236 0.236
±0.008
-
C
SEATING
PLANE
0.004 C
e
H
0.007 C A B
b
E1
0.154 0.154 0.154
±0.004
2, 3
e
0.025 0.025 0.025
Basic
-
L
0.025 0.025 0.025
±0.009
-
L1
0.041 0.041 0.041
Basic
-
N
16
24
28
Reference
-
L1
A
c
SEE DETAIL "X"
NOTES:
Rev. F 2/07
1. Plastic or metal protrusions of 0.006” maximum per side are not in-
cluded.
2. Plastic interlead protrusions of 0.010” maximum per side are not
included.
3. Dimensions “D” and “E1” are measured at Datum Plane “H”.
4. Dimensioning and tolerancing per ASME Y14.5M-1994.
A2
A1
0.010
GAUGE
PLANE
L
DETAIL X
4°±4°
17
FN6339.4
July 26, 2011