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FDD12 SERIES
DC - DC CONVERTER
10 ~ 12W SINGLE & DUAL OUTPUT
FEATURES
LOW COST
4:1 WIDE INPUT RANGE
I/O ISOLATION
INPUT Pi FILTER
SHORT CIRCUIT PROTECTION
HIGH PERFORMANCE
2 YEARS WARRANTY
MODEL LIST
MODEL NO. INPUT
VOLTAGE
OUTPUT
WATTAGE
OUTPUT
VOLTAGE
OUTPUT
CURRENT
EFF.
(min.)
5 VDC
12 VDC
15 VDC
5 VDC
12 VDC
15 VDC
Dual Output Models
FDD12 - 03S4
FDD12 - 05S4
FDD12 - 12S4
FDD12 - 15S4
FDD12 - 03S5
FDD12 - 05S5
FDD12 - 12S5
FDD12 - 15S5
10~36 VDC
10~36 VDC
10~36 VDC
10~36 VDC
18~72 VDC
18~72 VDC
18~72 VDC
18~72 VDC
10 WATTS
12 WATTS
12 WATTS
12 WATTS
10 WATTS
12 WATTS
12 WATTS
12 WATTS
+3.3 VDC
+ 5 VDC
+ 12 VDC
+ 15 VDC
+3.3 VDC
+ 5 VDC
+ 12 VDC
+ 15 VDC
3000 mA
2400 mA
1000 mA
800 mA
3000 mA
2400 mA
1000 mA
800 mA
75%
77%
77%
77%
77%
77%
77%
77%
FDD12 - 05D4
FDD12 - 12D4
FDD12 - 15D4
FDD12 - 05D5
FDD12 - 12D5
FDD12 - 15D5
18~72 VDC
18~72 VDC
18~72 VDC
10~36 VDC
10~36 VDC
10~36 VDC
12 WATTS
12 WATTS
12 WATTS
12 WATTS
12 WATTS
12 WATTS
Single Output Models
1200 mA
500 mA
400 mA
1200 mA
500 mA
400 mA
77%
77%
77%
77%
77%
77%
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FDD12 SERIES
CIRCUIT SCHEMATIC
SINGLE & DUAL OUTPUT
Switching
Device
Opto -
Isolation
Reference &
Error Amp.
PWM
Controller
Vi +
Vi -
Rectifier
Block diagram for FDD12 series with single output
com
Vi +
Vi - Vo -
Vo +
Switching
Device
PWM
Controller
Opto -
Isolation
Reference &
Error Amp.
Rectifier
Block diagram for FDD12 series with dual output
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Vo -
Vo +
Input reversed Shunt diode built in, external fuse recommended
Output short circuit Continuous
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FDD12 SERIES
Characteristics Conditions min. typ. max. unit
Switching frequency
Isolation voltage
Isolation resistance
Ambient temperature
Case temperature
Vi nom, Io nom
Input / Output
Input / Output, @ 500VDC
Operating at Vi nom, Io nom
Operating at Vi nom, Io nom
KHz
1,500 VDC
M
100
-25 + 71 oC
+100 oC
Characteristics Conditions min. unit
Output voltage accuracy
Minimum load
Line regulation
Load regulation
Temperature coefficient
Vi nom, Io nom
Vi nom single output models
dual output models (each output)
Io nom, Vi min ...Vi max
Vi nom, Io 0 ...Io nom, single output models
Vi nom, Io min ...Io nom, dual output models
Vi nom, Io nom ...1/2 Io nom
typ. max.
0
20
%
%
%
%
2
1
2
5 %
0.02 o
% / C
Storage temperature
M.T.B.F.
Dimension
Non operational
According to MIL-HDBK-217F, GF40
L50.8 x W50.8 x H11.9 mm
-40 +100 oC
661,000 Hrs
No load input current
Input voltage w/o damage
24V models
48V models
48
20
15
40
75
VDC
VDC
mA
mA
Characteristics Conditions min. typ. max. unit
Input voltage range 10
18
24 36
72
VDC
VDC
Ta min ... Ta max, Io nom
Vi nom, Io = 0
Io nom 24V models
48V models
150
%
CONTROL AND PROTECTION
48
Transient recovery time
Vi nom, Io nom,
BW = 20MHz
Ripple & noise
Efficiency Vi nom, Io nom, Po / Pi Up to 77%, See model list
OUTPUT SPECIFICATIONS
5V, 12V, 15V & dual
3.3V model 100
Vi nom, Io nom
mV
mV
S
500
Vout x 1%
Cooling Free air convection
Case material Metal
GENERAL
Derating Vi nom o
% / C
See derating curve
SINGLE & DUAL OUTPUT
o
All Specifications Typical At Nominal Line, Full Load, 25 C Unless Otherwise Noticed
SPECIFICATION
200
Input filter Pi type
INPUT SPECIFICATIONS
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FDD12 SERIES
MECHANISM & PIN CONFIGURATION
PHYSICAL CHARACTERISTICS
CASE SIZE
CASE MATERIAL
WEIGHT
50.8 x 50.8 x 11.9 mm 2 x 2 x 0.47 inches
Metal
65 g (typ.)
PIN ASSIGNMENT
PIN NO.
SINGLE
DUAL
Vi+ Vo+
Vi -
Vi+ Vo -
Vi -
DERATING
NATURAL
CONVECTION
COOLING
0
100
o
Ambient Temperature [ C ]
71 100-25
Power out [ % ]
1
GENERAL
NO PIN
com
Vo+
mm [inch]
50.80 [2.00]
11.94 [0.47]
DIA 1.00 [0.04]
5.08 [0.20]
20.32 [0.80]
BOTTOM VIEW
3
4
5
1
2
15.24 [0.60]
10.16 [0.40]
10.16 [0.40]
50.80 [2.00]
50.80 [2.00]
22.86 [0.90]
5.08 [0.20]
2345
Vo -
SINGLE & DUAL OUTPUT
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FDD12 SERIES
DC - DC CONVERTER
12W TRIPLE OUTPUT
FEATURES
LOW COST
4:1 WIDE INPUT RANGE
I/O ISOLATION
LC INPUT FILTER
SHORT CIRCUIT PROTECTION
HIGH PERFORMANCE
2 YEARS WARRANTY
MODEL LIST
MODEL NO. INPUT
VOLTAGE
OUTPUT
WATTAGE
OUTPUT
VOLTAGE
OUTPUT
CURRENT
EFF.
(min.)
10~36 VDC
10~36 VDC
18~72 VDC
12 WATTS
12 WATTS
12 WATTS
80%
Single Output Models
FDD12 - 0512T4
FDD12 - 0515T4
FDD12 - 0512T5
FDD12 - 0515T5 18~72 VDC
12 WATTS +5 / 12 VDC
+5 / 15 VDC
+5 / 12 VDC
+5 / 15 VDC
1.5A / 0.2 A
1.5A / 0.16A
1.5A / 0.2 A
1.5A / 0.16A
80%
80%
80%
CIRCUIT SCHEMATIC
Block diagram for FDD12 series with triple output
Vi +
Vi -
Switching
Device
Opto -
Isolation
Reference &
Error Amp.
Rectifier
Rectifier
Rectifier
PWM
Controller
com
com
Vo 2
Vo 3
Vo 1
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FDD12 SERIES
Characteristics Conditions min. typ. max. unit
Switching frequency
Isolation voltage
Isolation resistance
Ambient temperature
Case temperature
Vi nom, Io nom
Input / Output
Input / Output, @ 500VDC
Operating at Vi nom, Io nom
Operating at Vi nom, Io nom
KHz
1,500 VDC
1G
-25 + 71 oC
+ 95 oC
Characteristics Conditions min. unit
Output voltage accuracy
Minimum load
Line regulation
Load regulation
Vi nom, Io nom
Io nom, Vi min ...Vi max
typ. max.
2 %
o
% / C
mV
Storage temperature
M.T.B.F.
Non operational
According to MIL-HDBK-217F, GF40
-40 +100
661,100
No load input current
Input voltage w/o damage
24V models
48V models
48
22
15
40
75
VDC
VDC
mA
mA
Characteristics Conditions min. typ. max. unit
Input voltage range 10
18
24 36
72
VDC
VDC
Ta min ... Ta max, Io nom
Vi nom, Io = 0
Io nom 24V models
48V models
200
48
Input reversed Shunt diode built in, external fuse recommended
Output short circuit Continuous
Remote ON / OFF
CONTROL AND PROTECTION
ON: opened or 8 ~ 10VDC applied, reference to input GND
OFF: -0.3 ~ 2VDC applied, reference to input GND
OUTPUT SPECIFICATIONS
Temperature coefficient
Ripple & noise
Efficiency
Transient recovery time
Vi nom
Vi nom, Io min ...Io nom
Vi nom, Io nom, BW = 20MHz
Vi nom, Io nom, Po / Pi
Vi nom, Io nom
Vi nom, Io nom ... 1/2 Io nom
+ 5V
12V or 15V
+ 5V
12V or 15V
+ 5V
12V or 15V
10
20
500
2
6
2
2
6
0.02
%
%
%
%
%
Up to 80%, See model list
%
%
S
Vout x 1%
TRIPLE OUTPUT
Dimension L50.8 x W50.8 x H11.9
Cooling Free air convection
Case material Metal
GENERAL
mm
Hrs
oC
Derating Vi nom o
% / C
See derating curve
o
All Specifications Typical At Nominal Line, Full Load, 25 C Unless Otherwise Noticed
SPECIFICATION
Input filter LC type
INPUT SPECIFICATIONS
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FDD12 SERIES
MECHANISM & PIN CONFIGURATION
PHYSICAL CHARACTERISTICS
CASE SIZE
CASE MATERIAL
WEIGHT
50.8 x 50.8 x 11.9 mm 2 x 2 x 0.47 inches
Metal
70 g
PIN ASSIGNMENT
PIN NO.
TRIPLE Vi+ Vo2
(+ OUT)
Vi -
DERATING
NATURAL
CONVECTION
COOLING
0
100
o
Ambient Temperature [ C ]
71 95-25
Power out [ % ]
1
mm [inch]
50.80 [2.00]
11.94 [0.47]
DIA 1.00 [0.04]
5.08 [0.20]
245678
GENERAL
ON / OFF Vo1
(+ 5V) com Vo3
(- OUT)
2.54 [0.10]
BOTTOM VIEW
4
5
1
2
50.80 [2.00]
50.80 [2.00]
22.86 [0.90]
5.08 [0.20]
6
7
8
10.16 [0.40]
45.72 [1.80]
10.16 [0.40]
10.16 [0.40]
10.16 [0.40]
10.16 [0.40]
10.16 [0.40]
TRIPLE OUTPUT
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