DC-DC CONVERTER
WDD15 SERIES
12 ~ 15W
MODEL LIST
MODEL NO.
WDD15 - 03S4 10~36 VDC 12 WATTS +3.3 VDC 3600 mA 80% 77% FF
WDD15 - 05S4 10~36 VDC
WDD15 - 12S4 10~36 VDC
WDD15 - 15S4 10~36 VDC
WDD15 - 03S5 18~72 VDC
WDD15 - 05S5
WDD15 - 12S5
WDD15 - 15S5
WDD15 - 12D4 10~36 VDC
WDD15 - 15D4 10~36 VDC
WDD15 - 12D5 18~72 VDC
WDD15 - 15D5
INPUT
VOLTAGE
18~72 VDC 15 WATTS
18~72 VDC 15 WATTS
18~72 VDC 15 WATTS
18~72 VDC 15 WATTS
OUTPUT
WATTAGE
Single Output Models
15 WATTS
15 WATTS
15 WATTS
12 WATTS
Dual Output Models
15 WATTS
15 WATTS
15 WATTS
WDD15 – 03 S 4
WATTAGE
03 : 3.3V OUT
05
: 5V OUT
12 : 12V OUT
15 : 15V OUT
S : SINGLE OUTPUT
D : DUAL OUTPUT
4: 10~36V IN
5: 18~72V IN
OUTPUT
VOLTAGE
+ 5 VDC 3000 mA 81% 79% FF
+ 12 VDC 1250 mA 83% 81% FF
+ 15 VDC 1000 mA 83% 81% FF
+3.3 VDC 3600 mA 80% 77% FF
+ 5 VDC 3000 mA 81% 79% FF
+ 12 VDC 1250 mA 84% 82% FF
+ 15 VDC 1000 mA 82% 80% FF
± 12 VDC ± 630 mA 82% 80% FF
± 15 VDC ± 500 mA 81% 79% FF
± 12 VDC ± 630 mA 82% 80% FF
± 15 VDC ± 500 mA 81% 79% FF
OUTPUT
CURRENT
EFF.
(TYP.)
EFF.
(MIN.)
CASE
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.
CHINFA ELECTRONICS IND., CO. LTD.
ISO 9001 Certified
www.chinfa.com
sales@chinfa.com
DC-DC CONVERTER
WDD15 SERIES
12 ~ 15W
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: ......................................
INPUT SPECIFICATIONS
* Input voltage range / frequency: ........
* Input filter: .......................................
* No load input current: ........................
* Max. Input voltage: ...........................
* Startup voltage: .................................
OUTPUT SPECIFICATIONS
* Output voltage accuracy: ...................
* Minimum load: ..................................
* Line regulation: ................................
* Load regulation: ...............................
* Efficiency: ........................................
* Voltage trim range: ...........................
* Derating: .........................................
* Case material: ..................................
CONTROL AND PROTECTION
* Remote on/off: .................................
* Input reversed: .................................
* Output short circuit: ..........................
230KHz
1,500VDC
100M Ω(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
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
±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
ON : open or 8 ~ 10VDC
OFF : -0.3 ~ 2VDC
Shunt diode use external fuse
Continuous
CHINFA ELECTRONICS IND., CO. LTD.
ISO 9001 Certified
www.chinfa.com
sales@chinfa.com