Owner manual

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
°
(
a
l
l
s
i
d
e
)
0.35Typ.
4
5
°
4
5
8
R
0
.
1
0.3/0.5
1.27Typ.
4.85/4.95
Seating Plane
Gauge Plane
5.90/6.10
0.62/0.82
0.254
0/0.13
View"A"
View"A"
1.4/1.5
1.63Max.
3.85/3.95
Land Pattem Recommendation
(Unit: mm)
EXPOSED PAD
Bottom view
EXPOSED PAD
1
4
58
1.15Typ.
2.05Typ.
2.15Typ.
0.685
0.713
0.20
0.9
C
L
1.7 1.7
C
L
1
4
5
8
8x-0.60
5.4
2.35
6x-1.27
1.8 1.8
1.0
C
L
0.951.65
C
L
Top View
0.15/0.25
8x-1.55
0
°
/
8
°