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WDD20 SERIES
DC - DC CONVERTER
15 ~ 20W SINGLE & DUAL OUTPUT
O/n off
MODEL LIST
FEATURES
‧EFFICIENCY UP TO 89%
‧2:1 WIDE INPUT RANGE
‧I/O ISOLATION
‧INPUT Pi FILTER
‧SHORT CIRCUIT PROTECTION
‧HIGH PERFORMANCE
‧2 YEARS WARRANTY
MODEL NO.
INPUT
INPUT CURRENT OUTPUT
VOLTAGE (typ.) WATTAGE
OUTPUT
VOLTAGE
OUTPUT
CURRENT
EFF.
(min.)
EFF. CAPACITOR
LOAD
(typ.) (max.)
WDD20 - 03S1
WDD20 - 05S1
WDD20 - 12S1
WDD20 - 15S1
WDD20 - 03S2
WDD20 - 05S2
WDD20 - 12S2
WDD20 - 15S2
WDD20 - 03S3
WDD20 - 05S3
WDD20 - 12S3
WDD20 - 15S3
9~18 VDC
9~18 VDC
9~18 VDC
9~18 VDC
18~36 VDC
18~36 VDC
18~36 VDC
18~36 VDC
36~72 VDC
36~72 VDC
36~72 VDC
36~72 VDC
WDD20 - 12D1
WDD20 - 15D1
WDD20 - 12D2
WDD20 - 15D2
WDD20 - 12D3
WDD20 - 15D3
9~18 VDC
9~18 VDC
18~36 VDC
18~36 VDC
36~72 VDC
36~72 VDC
1.6 A
2.0 A
2.0 A
1.95 A
0.78 A
1.0 A
1.0 A
0.96 A
0.39 A
0.5 A
0.49 A
0.48 A
2.0 A
1.95 A
0.97 A
0.96 A
0.48 A
0.48 A
Single Output Models
15 WATTS
20 WATTS
20 WATTS
20 WATTS
15 WATTS
20 WATTS
20 WATTS
20 WATTS
15 WATTS
20 WATTS
20 WATTS
20 WATTS
+3.3 VDC
+ 5 VDC
+ 12 VDC
+ 15 VDC
+3.3 VDC
+ 5 VDC
+ 12 VDC
+ 15 VDC
+3.3 VDC
+ 5 VDC
+ 12 VDC
+ 15 VDC
Dual Output Models
20 WATTS
20 WATTS
20 WATTS
20 WATTS
20 WATTS
20 WATTS
± 12 VDC
± 15 VDC
± 12 VDC
± 15 VDC
± 12 VDC
± 15 VDC
4500 mA
4000 mA
1670 mA
1330 mA
4500 mA
4000 mA
1670 mA
1330 mA
4500 mA
4000 mA
1670 mA
1330 mA
± 830 mA
± 670 mA
± 830 mA
± 670 mA
± 830 mA
± 670 mA
77%
80%
7000 μF
81%
83%
7000 μF
84%
86%
1000 μF
85% 87%
470 μF
78%
80%
7000 μF
83%
85%
7000 μF
84%
86%
1000 μF
86% 88%
470 μF
78%
80%
7000 μF
83%
85%
7000 μF
85%
87%
1000 μF
86% 88%
470 μF
83%
85%
85%
86%
85%
87%
85% ± 470μF
87% ± 470μF
87% ± 470μF
88% ± 470μF
87% ± 470μF
89% ± 470μF
SPECIFICATION
All Specifications Typical At Nominal Line, Full Load, 25oC Unless Otherwise Noticed
GENERAL
Characteristics
Switching frequency
Isolation voltage
Isolation resistance
Isolation capacitance
Conditions
Vi nom, Io nom
Input - Output
Input - Output, @ 500VDC
100KHz / 1V
min.
1500
100
typ.
180
www.chinfa.com
2010.02.09
max.
1000
unit
KHz
VDC
MΩ
PF
sales@chinfa.com
P1