WDD15 SERIES
DC-DC CONVERTER
12 ~ 15W
WDD15 – 03 S 4
WATTAGE
03
05
12
15
: 3.3V OUT
:
5V OUT
:
12V OUT
:
15V OUT
4: 10~36V IN
5: 18~72V IN
S : SINGLE OUTPUT
D : DUAL OUTPUT
MODEL LIST
MODEL NO.
WDD15
WDD15
WDD15
WDD15
WDD15
WDD15
WDD15
WDD15
WDD15
WDD15
WDD15
WDD15
-
-
-
-
-
-
-
-
-
-
-
-
03S4
05S4
12S4
15S4
03S5
05S5
12S5
15S5
12D4
15D4
12D5
15D5
INPUT
VOLTAGE
10~36
10~36
10~36
10~36
18~72
18~72
18~72
18~72
10~36
10~36
18~72
18~72
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
OUTPUT
WATTAGE
12
15
15
15
12
15
15
15
15
15
15
15
OUTPUT
VOLTAGE
OUTPUT
CURRENT
3600
3000
1250
1000
3600
3000
1250
1000
±
±
±
±
630
500
630
500
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
EFF.
(TYP.)
80%
81%
83%
83%
80%
81%
84%
82%
82%
81%
82%
81%
EFF.
(MIN.)
77%
79%
81%
81%
77%
79%
82%
80%
80%
79%
80%
79%
CASE
FF
FF
FF
FF
FF
FF
FF
FF
FF
FF
FF
FF
Single Output Models
WATTS
+3.3 VDC
+ 5 VDC
WATTS
+ 12 VDC
WATTS
+ 15 VDC
WATTS
+3.3 VDC
WATTS
+ 5 VDC
WATTS
+ 12 VDC
WATTS
+ 15 VDC
WATTS
Dual Output Models
WATTS
WATTS
WATTS
WATTS
±
±
±
±
12
15
12
15
VDC
VDC
VDC
VDC
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
WDD15 SERIES
SPECIFICATION
GENERAL SPECIFICATION
* Switching frequency: .........................
* Isolation voltage: ..............................
* Isolation resistance: ..........................
* Operating ambient temperature: .........
* Storage temperature: ........................
* Max. Case temperature: .....................
* M.T.B.F.: ..........................................
* Cooling: ...........................................
* Temperature coefficient: ....................
* Dimension: ......................................
DC-DC CONVERTER
12 ~ 15W
All Specifications Typical At Nominal Line, Full Load, 25℃ Unless Otherwise Noticed
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
INPUT SPECIFICATIONS
* Input voltage range / frequency: ........ 10 ~ 36VDC for 24V
18 ~ 72VDC for 48V
* Input filter: ....................................... Pi type
* No load input current: ........................ 15mA for 24V in
10mA for 48V in
* Max. Input voltage: ........................... 40VDC for 24V in
75VDC for 48V in
* Startup voltage: .................................9.5VDC for 24V in
33VDC for 48V in
OUTPUT SPECIFICATIONS
* Output voltage accuracy: ...................
±2%
at Vo_nom
* Minimum load: .................................. No load for single output models
±10%
at Vo_nom for dual output models
* Line regulation: ................................
±1%
at Vo_nom
* Load regulation: ...............................
±2%
at Vo_nom for single output models
±5%
at Vo_nom for dual output models
* Efficiency: ........................................ Up to 84%, see model list
* Voltage trim range: ........................... Vout x 10%
* Derating: ......................................... See table 1
* Case material: .................................. Metal
CONTROL AND PROTECTION
* Remote on/off: ................................. ON : open or 8 ~ 10VDC
OFF : -0.3 ~ 2VDC
* Input reversed: ................................. Shunt diode use external fuse
* Output short circuit: .......................... Continuous
CHINFA ELECTRONICS IND., CO. LTD.
ISO 9001 Certified
www.chinfa.com
sales@chinfa.com