LANCW8 Series
Single and Dual Output
8 Watt DC/DC Converter
2:1 Wide Input Voltage Range
MECHANICAL DRAWING
1. All dimensions are in inches (mm)
Tolerance: X.XX±0.02 (X.X±0.5)
X.XXX±0.01 (X.XX±0.25)
2. Pin pitch tolerance ±0.01 (0.25)
DIP TYPE
0.100 (2.54)
Pin size is 0.02 (0.5) Dia or
0.01 x 0.02 (0.25 x 0.50) Rectangular Pin
1.00 (25.4)
0.92 (23.4)
0.02 (0.5)
24
1
SMT TYPE
(add suffix “S”)
0.100 (2.54)
0.44 (11.2)
0.43(10.9)
0.08 (2.0)
1
2
3
0.800 (20.32)
1.25 (31.8)
16
14
9
11
0.15
(3.8)
0.40
(10.2)
Pin Area
0.04 x 0.02
(1.0 x 0.5)
16
13
BOTTOM
VIEW
9
12
0.80 (20.3)
0.25 (6.4)
0.600 (15.24)
0.80 (20.3)
(DIP) PIN CONNECTION
PIN
1
2
3
9
11
SINGLE
CTRL
-INPUT
-INPUT
NC
NC
DUAL
CTRL
-INPUT
-INPUT
COMMON
-OUTPUT
PIN
23
22
16
14
SINGLE
+INPUT
+INPUT
DUAL
+INPUT
+INPUT
(SMT) PIN CONNECTION
PIN
1
2
3
9
11
Others
SINGLE
CTRL
-INPUT
-INPUT
NC
NC
NC
DUAL
CTRL
-INPUT
-INPUT
PIN
23
22
SINGLE
+INPUT
+INPUT
DUAL
+INPUT
+INPUT
-OUTPUT COMMON
+OUTPUT +OUTPUT
COMMON
16
-OUTPUT
14
NC
Others
-OUTPUT COMMON
+OUTPUT +OUTPUT
NC
NC
FIGURE 1
Recommended Filter for EN55022 Class B Compliance
C3
FIGURE 2
Recommended EN55022 Class B Filter Circuit Layout
＋
INPUT
C1
－
INPUT
4
L1
3
+Vin
C2
-Vin
+Vout
L
-Vout
LANCW8
SERIES
1
2
D/D Converter
C4
The components used in the Figure 1, together with the manufacturers’ part numbers
for these components, are as follows:
C1
LANC12xxW8
LANC24xxW8
4.7uF/50V
6.8uF/50V
C2
N/A
N/A
C3
1000pF/2KV
1000pF/2KV
C4
L1
LANC48xxW8 2.2uF/100V 2.2uF/100V 1000pF/2KV
325uH
1000pF/2KV
Common Choke
325uH
1000pF/2KV
Common Choke
325uH
1000pF/2KV
Common Choke
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
1.26 (32.0)
BOTTOM
VIEW
0.200 (5.08)
20
5
0.15 (3.8)
23
22
WALL [ WALL INDUSTRIES,INC. ]
