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