Diodes AP1539 - Manual (Page 12)

AP1539
18V 4A 300KHz BUCK CONVERTER
AP1539 Rev. 4 12 of 13 OCTOBER 2009
DS31477 www.diodes.com © Diodes Incorporated
Package Information
(All Dimensions in mm)
(1) Package type: SOP-8L-DEP
1
9°(all side)
0.35Typ.
45
°
4
5 8
R0
.1
0.3/0.5
1.27Typ.
4.85/4.95
Seating Plane
Gauge Plane
5.9
0/6
.1
0
0.62/0.82
0.2
54
0/
0.
13
View"A"
View"A"
1.
4/
1.
5
1.
63M
ax
.
3.
85
/3.
95
Land Pattem Recommendation
(Unit: mm)
EXPOSED PAD
Bottom view
EXPOSED PAD
1 4
5 8
1.15Typ. 2.05Typ.
2.
15
T
yp.
0.6
85
0.713
0.20
0.
9
CL
1.7 1.7
CL
1 4
5 8
8x-0.60
5.
4
2.
35
6x-1.27
1.8 1.8
1.
0
CL
0.95 1.65
CL
Top View
0.
15/
0.
25
8x
-1
.5
5
0°
/8
°