DC-DC CONVERTER
FDD12 SERIES 10 ~ 12W
CHINFA ELECTRONICS IND., CO. LTD.
ISO 9001 Certified
www.chinfa.com
sales@chinfa.com
FDD12 – 03 S 4
MODEL LIST
MODEL NO. INPUT
VOLTAGE
OUTPUT
WATTAGE
OUTPUT
VOLTAGE
OUTPUT
CURRENT
EFF.
(MIN.) CASE
Single Output Models
FDD12 - 03S4 10~36 VDC 10 WATTS +3.3 VDC 3000 mA 75% FB
FDD12 - 05S4 10~36 VDC 12 WATTS + 5 VDC 2400 mA 77% FB
FDD12 - 12S4 10~36 VDC 12 WATTS + 12 VDC 1000 mA 77% FB
FDD12 - 15S4 10~36 VDC 12 WATTS + 15 VDC 800 mA 77% FB
FDD12 - 03S5 18~72 VDC 10 WATTS +3.3 VDC 3000 mA 77% FB
FDD12 - 05S5 18~72 VDC 12 WATTS + 5 VDC 2400 mA 77% FB
FDD12 - 12S5 18~72 VDC 12 WATTS + 12 VDC 1000 mA 77% FB
FDD12 - 15S5 18~72 VDC 12 WATTS + 15 VDC 800 mA 77% FB
Dual Output Models
FDD12 - 05D4 10~36 VDC 12 WATTS ± 5 VDC ± 1200 mA 77% FB
FDD12 - 12D4 10~36 VDC 12 WATTS ± 12 VDC ± 500 mA 77% FB
FDD12 - 15D4 10~36 VDC 12 WATTS ± 15 VDC ± 400 mA 77% FB
FDD12 - 05D5 18~72 VDC 12 WATTS ± 5 VDC ± 1200 mA 77% FB
FDD12 - 12D5 18~72 VDC 12 WATTS ± 12 VDC ± 500 mA 77% FB
FDD12 - 15D5 18~72 VDC 12 WATTS ± 15 VDC ± 400 mA 77% FB
FEATURES
* LOW COST
* 4:1 WIDE INPUT RANGE
* I/O ISOLATION
* INPUT Pi FILTER
* SHORT CIRCUIT PROTECTION
* HIGH PERFORMANCE
* 2 YEARS WARRANTY
DESCRIPTION
THE FDD12 SERIES ARE 12 WATTS SINGLE & DUAL OUTPUT DC/DC CONVERTERS. 4:1 WIDE INPUT
RANGE WITH I/O ISOLATION, GOOD EFFICIENCY WITH EXCELLENT LINE / LOAD REGULATION WITH
SHORT CIRCUIT PROTECTION FEATURES. MAKE FDD12 ARE SUITABLE TO POWERING COMMERCIAL &
INDUSTRAIL TYPES OF ELECTORNIC CIRCUITS WIH VERY LOW COST. ALL FDD12 MODELS ARE ACKAGED
IN L x W x H = 2" x 2" x 0.47" BLACK COATED METAL CASE WITH NON-CONDUCTIVE PLASTIC BASE.
CONFIGURATION, 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
FDD12 SERIES 10 ~ 12W
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: ............................................
* Transient recovery time: .....................
* Temperature coefficient: .....................
* Dimension: .......................................
200KHz (typ.)
1,500VDC
100M Ω(min.)
-25 to +71℃
-40 to +100℃
100℃
661,000Hrs at @ GF40, according to MIL-HDBK-217F
Free air convection
500µS, 25% load step change
±0.02% / ℃
50.8 x 50.8 x 12mm
INPUT SPECIFICATIONS
* Input voltage range : ..........................
* Input filter: .......................................
* No load input current: .........................
* Max. Input voltage: ............................
10 ~ 36VDC for 24V
18 ~ 72VDC for 48V
Pi type
20mA for 24V in
15mA for 48V in
40VDC for 24V in
75VDC for 48V in
OUTPUT SPECIFICATIONS
* Output voltage accuracy: ...................
* Minimum load: ..................................
* Line regulation: ................................
* Load regulation: ...............................
* Ripple & noise: .................................
* Efficiency: ........................................
* Derating: .........................................
* Case material: ..................................
±2% at Vo_nom
No load for single output models
±20% 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
±1% Vout
100mV (max.) for 3.3 Vout
Up to 77%, see model list
See table 1
Metal
CONTROL AND PROTECTION
* Input reversed: .................................
* Output short circuit: ..........................
Shunt diode use external fuse
Continuous
DC-DC CONVERTER
FDD12 SERIES 10 ~ 12W
CHINFA ELECTRONICS IND., CO. LTD.
ISO 9001 Certified
www.chinfa.com
sales@chinfa.com
MECHANISM & PIN CONFIGURATION
mm [inch]
PHYSICAL CHARACTERISTICS
PIN ASSIGMENT
PIN NO. 1 2 3 4 5
SINGLE Vi+ Vi- Vo+ NO PIN Vo-
DUAL Vi+ Vi- Vo+ com Vo-
Derating:
[TABLE 1]
Power out [%]
0
NATURAL
CONVECTION
COOLING
100
100-25
Ambient Temperture [℃]
7060
CASE SIZE 50.8 x 50.8 x 12mm
2 x 2 x 0.47inches
CASE MATERIAL Metal
WEIGHT 65 g (typ.)
