aoz1281di Alpha & Omega Semiconductor, aoz1281di Datasheet - Page 10

• Manufacturer Part Number: aoz1281di
• Description: Ezbucktm 1.8 A Simple Buck Regulator
• Manufacturer: Alpha & Omega Semiconductor

Package Dimensions, DFN 2x2, 8L
Rev. 1.0 June 2011
RECOMMENDED LAND PATTERN
0.50
Notes:
1. Dimensions and tolerances conform to ASME Y14.5M-1994.
2. Controlling dimension is millimeter, converted inch dimensions are not necessarily exact.
3. Dimension b applied to metallized terminal and is measured between 0.10mm and 0.30mm from the terminal tip. If the terminal
4. Coplanarity ddd applies to the terminals and all other bottom surface metallization.
0.30
UNIT: mm
has the optional radius on the other end of the terminal, dimension b should not be measured in that radius area.
1.50
E
A
c
0.90
0.25
0.85
SIDE VIEW
TOP VIEW
1.70
D
A1
Seating
Dimensions in millimeters
www.aosmd.com
Symbols
Plane
aaa
bbb
ddd
ccc
D1
A1
E1
A
D
E
R
b
c
e
L
Min.
0.70
0.00
0.18
1.35
0.75
0.20
R
0.20 REF.
2.00 BSC
2.00 BSC
0.50 BSC
E1
Nom.
0.75
0.02
0.25
1.50
0.90
0.30
0.20
0.15
0.10
0.10
0.08
b
BOTTOM VIEW
BOTTOM VIEW
Max.
0.80
0.05
0.30
1.60
1.00
0.40
D1
Symbols
E
Dimensions in inches
aaa
bbb
ddd
ccc
A1
D1
E1
A
D
E
R
b
e
L
c
L
Chamfer
0.2 x 45
0.028
0.000
0.007
0.053
0.030
0.008
Pin #1 ID
Pin #1 ID
Min.
Option 1
Option 2
0.008 REF.
0.079 BSC
0.079 BSC
0.020 BSC
Nom.
0.030
0.001
0.010
0.059
0.035
0.012
0.008
0.006
0.004
0.004
0.003
AOZ1281
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0.031
0.002
0.012
0.063
0.039
0.016
Max.