DC-DC CONVERTER
WDD15 SERIES
12 ~ 15W
CHINFA ELECTRONICS IND., CO. LTD.
ISO 9001 Certified
www.chinfa.com
sales@chinfa.com
WDD15 03 S 4
MODEL LIST
MODEL NO.
INPUT
VOLTAGE
OUTPUT
WATTAGE
OUTPUT
VOLTAGE
OUTPUT
CURRENT
EFF.
(TYP.)
EFF.
(MIN.) CASE
Single Output Models
WDD15 - 03S4
10~36 VDC
12 WATTS
+3.3 VDC
3600 mA
80%
77%
FF
WDD15 - 05S4
10~36 VDC
15 WATTS
+ 5 VDC
3000 mA
81%
79%
FF
WDD15 - 12S4
10~36 VDC
15 WATTS
+ 12 VDC
1250 mA
83%
81%
FF
WDD15 - 15S4
10~36 VDC
15 WATTS
+ 15 VDC
1000 mA
83%
81%
FF
WDD15 - 03S5
18~72 VDC
12 WATTS
+3.3 VDC
3600 mA
80%
77%
FF
WDD15 - 05S5
18~72 VDC
15 WATTS
+ 5 VDC
3000 mA
81%
79%
FF
WDD15 - 12S5
18~72 VDC
15 WATTS
+ 12 VDC
1250 mA
84%
82%
FF
WDD15 - 15S5
18~72 VDC
15 WATTS
+ 15 VDC
1000 mA
82%
80%
FF
Dual Output Models
WDD15 - 12D4
10~36 VDC
15 WATTS
12 VDC
630 mA
82%
80%
FF
WDD15 - 15D4
10~36 VDC
15 WATTS
15 VDC
500 mA
81%
79%
FF
WDD15 - 12D5
18~72 VDC
15 WATTS
12 VDC
630 mA
82%
80%
FF
WDD15 - 15D5
18~72 VDC
15 WATTS
15 VDC
500 mA
81%
79%
FF
FEATURES
* LOW COST
* 4:1 WIDE INPUT RANGE
* I/O ISOLATION
* INPUT Pi FILTER
* SHORT CIRCUIT PROTECTION
* HIGH PERFORMANCE
* 2 YEARS WARRANTY
DESCRIPTION
THE WDD15 SERIES ARE 12 WATTS AND 15 WATTS SINGLE & DUAL OUTPUT DC/DC CONVERTERS, 4:1
WIDE INPUT RANGE WITH I/O ISOLATION AND SHORT CIRCUIT PROTECTION FEATURES MAKES IT SUITABLE
USED ON VARIABLE APPLICATIONS WITH LOW COST. ALL WDD15 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.
03 : 3.3V OUT
05
:
5V OUT
12
:
12V OUT
15
:
15V OUT
WATTAGE
S : SINGLE OUTPUT
D : DUAL OUTPUT
4: 10~36V IN
5: 18~72V IN
DC-DC CONVERTER
WDD15 SERIES
12 ~ 15W
CHINFA ELECTRONICS IND., CO. LTD.
ISO 9001 Certified
www.chinfa.com
sales@chinfa.com
SPECIFICATION
All Specifications Typical At Nominal Line, Full Load, 25 Unless Otherwise Noticed
GENERAL SPECIFICATION
* Switching frequency: .........................
* Isolation voltage: ..............................
* Isolation resistance: ..........................
* Operating ambient temperature: .........
* Storage temperature: ........................
* Max. Case temperature: .....................
* M.T.B.F.: ..........................................
* Cooling: ...........................................
* Temperature coefficient: ....................
* Dimension: ......................................
230KHz
1,500VDC
100M (min.)
-25 to +71
-40 to +100
100
277,400Hrs at @ GF40, according to MIL-HDBK-217F
Free air convection
0.02% /
50.8 x 40.6 x 10.2mm
INPUT SPECIFICATIONS
* Input voltage range / frequency: ........
* Input filter: .......................................
* No load input current: ........................
* Max. Input voltage: ...........................
* Startup voltage: .................................
10 ~ 36VDC for 24V
18 ~ 72VDC for 48V
Pi type
15mA for 24V in
10mA for 48V in
40VDC for 24V in
75VDC for 48V in
9.5VDC for 24V in
33VDC for 48V in
OUTPUT SPECIFICATIONS
* Output voltage accuracy: ...................
* Minimum load: ..................................
* Line regulation: ................................
* Load regulation: ...............................
* Efficiency: ........................................
* Voltage trim range: ...........................
* Derating: .........................................
* Case material: ..................................
2% at Vo_nom
No load for single output models
10% at Vo_nom for dual output models
1% at Vo_nom
2% at Vo_nom for single output models
5% at Vo_nom for dual output models
Up to 84%, see model list
Vout x 10%
See table 1
Metal
CONTROL AND PROTECTION
* Remote on/off: .................................
* Input reversed: .................................
* Output short circuit: ..........................
ON : open or 8 ~ 10VDC
OFF : -0.3 ~ 2VDC
Shunt diode use external fuse
Continuous
DC-DC CONVERTER
WDD15 SERIES
12 ~ 15W
CHINFA ELECTRONICS IND., CO. LTD.
ISO 9001 Certified
www.chinfa.com
sales@chinfa.com
5
6
7
8
1
2
4
5.00 [0.20]
DIA 1.00 [0.04]
BOTTOM VIEW
40.64 [1.60]
50.80 [2.00]
17.78 [0.70]
2.54 [0.10]
5.08 [0.20]
10.16 [0.40]
10.16 [0.40]
10.16 [0.40]
5.08 [0.20]
7.62 [0.30]
10.16 [0.40]
50.80 [2.00]
45.72 [1.80]
10.16 [0.4]
MECHANISM & PIN CONFIGURATION
mm [inch]
PHYSICAL CHARACTERISTICS
PIN ASSIGMENT
PIN NO.
1
2
4
5
6
7
8
SINGLE
Vi+ Vi- S.D.
NO
PIN
Vo+ Vo- Trim
DUAL
Vi+ Vi- S.D. Vo+ com Vo- Trim
S.D. : REMOTE ON/OFF
Derating:
[TABLE 1]
Pow
e
r ou
t
[
%
]
0
NATURAL
CONVECTION
COOLING
100
100
-25
Ambient Temperture []
70
60
CASE SIZE
50.7 x 40.6 x 10.2mm
2 x 1.6 x 0.4inches
CASE MATERIAL
Metal
WEIGHT 60
g
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