EL1503A
QFN (Quad Flat No-Lead) Package Family
MDP0046
QFN (QUAD FLAT NO-LEAD) PACKAGE FAMILY
(COMPLIANT TO JEDEC MO-220)
A
MILLIMETERS
D
B
SYMBOL QFN44 QFN3
QFN32
TOLERANCE
±0.10
NOTES
A
A1
b
0.90
0.02
0.25
0.20
7.00
5.10
7.00
5.10
0.50
0.55
44
0.90 0.90
0.90
0.02
0.22
0.20
5.00
-
-
0.02 0.02
0.25 0.23
0.20 0.20
5.00 8.00
+0.03/-0.02
±0.02
1
2
3
PIN #1
I.D. MARK
-
c
Reference
Basic
-
E
D
-
D2
E
3.80 5.80 3.60/2.48
7.00 8.00 6.00
5.80 5.80 4.60/3.40
Reference
Basic
8
-
2X
0.075 C
E2
e
Reference
Basic
8
-
0.50 0.80
0.40 0.53
0.50
0.50
32
2X
0.075 C
L
±0.05
-
TOP VIEW
N
38
7
32
8
Reference
Reference
Reference
4
6
5
ND
NE
11
7
11
12
8
9
0.10 M C A B
b
L
MILLIMETERS
SYMBOL QFN28 QFN2 QFN20
PIN #1 I.D.
TOLER-
ANCE NOTES
3
QFN16
0.90
1
2
3
A
0.90
0.02
0.90 0.90
0.90
0.02
±0.10
-
-
A1
0.02 0.02
0.02
+0.03/
-0.02
(E2)
b
c
0.25
0.20
4.00
2.65
5.00
3.65
0.50
0.40
28
0.25 0.30
0.20 0.20
4.00 5.00
2.80 3.70
5.00 5.00
3.80 3.70
0.50 0.65
0.40 0.40
0.25
0.20
4.00
2.70
4.00
2.70
0.50
0.40
20
0.33
±0.02
-
-
0.20 Reference
4.00 Basic
2.40 Reference
4.00 Basic
2.40 Reference
5
NE
D
-
D2
E
-
-
7
(D2)
E2
e
-
BOTTOM VIEW
0.65
0.60
16
Basic
-
L
±0.05
-
0.10 C
e
N
24
5
20
5
Reference
Reference
Reference
4
6
5
C
ND
NE
6
5
4
SEATING
PLANE
8
7
5
5
4
Rev 11 2/07
0.08 C
NOTES:
SEE DETAIL "X"
N LEADS
& EXPOSED PAD
1. Dimensioning and tolerancing per ASME Y14.5M-1994.
2. Tiebar view shown is a non-functional feature.
SIDE VIEW
3. Bottom-side pin #1 I.D. is a diepad chamfer as shown.
4. N is the total number of terminals on the device.
(c)
2
5. NE is the number of terminals on the “E” side of the package
(or Y-direction).
A
C
6. ND is the number of terminals on the “D” side of the package
(or X-direction). ND = (N/2)-NE.
(L)
A1
7. Inward end of terminal may be square or circular in shape with radius
(b/2) as shown.
N LEADS
DETAIL X
8. If two values are listed, multiple exposed pad options are available.
Refer to device-specific datasheet.
FN7039.2
March 26, 2007
17