
DC-DC CONVERTER
15 ~ 20W
WDD20 – 03 S 1
WDD20 SERIES
MODEL LIST
CHINFA ELECTRONICS IND., CO. LTD.
ISO 9001 Certified
www.chinfa.com
sales@chinfa.com
MODEL NO.
INPUT
VOLTAGE
OUTPUT
WATTAGE
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
Dual Output Models
20 WATTS
20 WATTS
20 WATTS
20 WATTS
20 WATTS
20 WATTS
OUTPUT
VOLTAGE
OUTPUT
CURRENT
EFF.
(TYP.)
EFF.
(MIN.)
CASE
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
+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
4500 mA
4000 mA
1670 mA
1330 mA
4500 mA
4000 mA
1670 mA
1330 mA
4500 mA
4000 mA
1670 mA
1330 mA
80%
83%
86%
87%
80%
85%
86%
88%
80%
85%
87%
88%
77%
81%
84%
85%
78%
83%
84%
86%
78%
83%
85%
86%
FF
FF
FF
FF
FF
FF
FF
FF
FF
FF
FF
FF
WDD20 - 12D1
WDD20 - 15D1
WDD20 - 12D2
WDD20 - 15D2
WDD20 - 12D3
WDD20 - 15D3
FEATURES
* LOW COST
* 2:1 WIDE INPUT RANGE
* I/O ISOLATION
* INPUT Pi FILTER
* SHORT CIRCUIT PROTECTION
* HIGH PERFORMANCE
* 2 YEARS WARRANTY
DESCRIPTION
THE WDD20 SERIES ARE 15 WATTS AND 20 WATTS SINGLE & DUAL OUTPUT DC/DC CONVERTERS, 2:1
WIDE INPUT RANGE WITH I/O ISOLATION AND SHORT CIRCUIT PROTECTION FEATURES MAKES IT SUITABLE
USED ON VARIABLE APPLICATIONS WITH LOW COST. ALL WDD20 MODELS CONTAIN PI INPUT FILTER TO
MINIMIZE REFLECTED RIPPLE & NOISE. ALL MODELS ARE PACKAGED IN
2” x 1.6” x 0.4”
BLACK COATED
METAL CASE, AND PCB MOUNTABLE DIRECTLY.
9~18 VDC
9~18 VDC
18~36 VDC
18~36 VDC
36~72 VDC
36~72 VDC
±
12 VDC
±
15 VDC
±
12 VDC
±
15 VDC
±
12 VDC
±
15 VDC
±
830 mA
±
670 mA
±
830 mA
±
670 mA
±
830 mA
±
670 mA
85%
87%
87%
88%
87%
89%
83%
85%
85%
86%
85%
87%
FF
FF
FF
FF
FF
FF
03 : 3.3V OUT
05
:
5V OUT
12
:
12V OUT
15
:
15V OUT
WATTAGE
S : SINGLE OUTPUT
D : DUAL OUTPUT
1: 9~18V IN
2: 18~36V IN
3: 36~72V IN