FDD03 SERIES
DC - DC CONVERTER
2 ~ 3W SINGLE & DUAL OUTPUT
FEATURES
LOW COST
4:1 & 3:1 & 2:1 WIDE INPUT RANGE
I/O ISOLATION
SHORT CIRCUIT PROTECTION
HIGH EFFICIENCY UP TO 73%
MODEL LIST
MODEL NO.
INPUT
VOLTAGE
20~60 VDC
20~60 VDC
20~60 VDC
9~18 VDC
9~18 VDC
9~18 VDC
18~36 VDC
18~36 VDC
18~36 VDC
36~72 VDC
36~72 VDC
36~72 VDC
9~36 VDC
9~36 VDC
9~36 VDC
18~72 VDC
18~72 VDC
18~72 VDC
OUTPUT
OUTPUT
WATTAGE
VOLTAGE
Single Output Models
2.5 WATTS
3
3
2
WATTS
WATTS
WATTS
+ 5 VDC
+ 12 VDC
+ 15 VDC
+ 5 VDC
+ 12 VDC
+ 15 VDC
+ 5 VDC
+ 12 VDC
+ 15 VDC
+ 5 VDC
+ 12 VDC
+ 15 VDC
+ 5 VDC
+ 12 VDC
+ 15 VDC
+ 5 VDC
+ 12 VDC
+ 15 VDC
OUTPUT
CURRENT
500 mA
250 mA
200 mA
400 mA
200 mA
150 mA
500 mA
250 mA
200 mA
500 mA
250 mA
200 mA
500 mA
250 mA
200 mA
500 mA
250 mA
200 mA
EFF.
(min.)
68%
70%
70%
63%
65%
65%
68%
70%
70%
68%
70%
70%
68%
70%
70%
68%
70%
70%
FDD03 - 05S
FDD03 - 12S
FDD03 - 15S
FDD03 - 05S1
FDD03 - 12S1
FDD03 - 15S1
FDD03 - 05S2
FDD03 - 12S2
FDD03 - 15S2
FDD03 - 05S3
FDD03 - 12S3
FDD03 - 15S3
FDD03 - 05S4
FDD03 - 12S4
FDD03 - 15S4
FDD03 - 05S5
FDD03 - 12S5
FDD03 - 15S5
2.4 WATTS
2.2 WATTS
2.5 WATTS
3
3
3
3
3
3
3
3
WATTS
WATTS
WATTS
WATTS
WATTS
WATTS
WATTS
WATTS
2.5 WATTS
2.5 WATTS
2.5 WATTS
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FDD03 SERIES
SINGLE & DUAL OUTPUT
SPECIFICATION
All Specifications Typical At Nominal Line, Full Load, 25 C Unless Otherwise Noticed
o
GENERAL
Characteristics
Switching frequency
Isolation voltage
Isolation resistance
Ambient temperature
Case temperature
Derating
Storage temperature
M.T.B.F.
Dimension
Cooling
Case material
Conditions
Vi nom, Io nom
Input / Output
Input / Output, @ 500VDC
Operating at Vi nom, Io nom
Operating at Vi nom, Io nom
Vi nom
Non operational
According to MIL-HDBK-217F, GF40
L20.3 x W31.8 x H12.7
Free air convection
Plastic
min.
50
1,500
1G
-25
typ.
max.
unit
KHz
VDC
+ 71
+ 90
o
o
o
C
C
C
See derating curve
-40
896,100
+100
%/ C
o
Hrs
mm
INPUT SPECIFICATIONS
Characteristics
Input voltage range
Conditions
Ta min ...T max,
a
Io nom
2:1 models
min.
9
18
36
typ.
12
24
48
48
24
48
max.
18
36
72
60
36
72
18
12
8
20
40
75
unit
VDC
VDC
VDC
VDC
VDC
VDC
mA
mA
mA
VDC
VDC
VDC
3:1 models
4:1 models
No load input current
Vi nom, Io = 0
12V models
24V models
48V models
Input voltage w/o damage
Io nom
12V models
24V models
48V models
20
9
18
OUTPUT SPECIFICATIONS
Characteristics
Output voltage accuracy
Minimum load
Line regulation
Load regulation
Temperature coefficient
Ripple & noise
Efficiency
Vi nom
Conditions
Vi nom, Io nom
single output models
dual output models (each output)
min.
0
20
typ.
max.
2
unit
%
%
%
Io nom, Vi min ...Vi max
Vi nom, Io 0 ...Io nom, single output models
Vi nom, Io min ...Io nom, dual output models
1
2
5
0.02
Vout x
2%
%
%
%
% /
o
C
mV
Vi nom, Io nom
Vi nom, Io nom, BW = 20MHz
Vi nom, Io nom, Po / Pi
Up to 73%
,
See model list
CONTROL AND PROTECTION
Input reversed
Output short circuit
Shunt diode built in, external fuse recommended
Continuous
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FDD03 SERIES
SINGLE & DUAL OUTPUT
APPLICATION CIRCUIT
a. SINGLE OUTPUT MODELS :
(BOTTOM VIEW)
Vi-
b. DUAL OUTPUT MODELS :
(BOTTOM VIEW)
Vi -
Vo -
G
Vo +
C1
C1
C2
10
3
2
22
23
11
10
9
14
15
16
3
2
22
23
9
16
11
10
14
15
Vi+
C2
10
TAN
Vo +
Vo -
Vi +
NOTE:
a. C1=4.7 F /100V
,
C2=10 F
b. C1 MUST BE ADDED WHEN APPLICATION .
c. C2 OPTIONAL TO MINIMIZE THE R&N <100mV .
d. MAX. 80% LOAD WHEN INPUT VOLTAGE AT 9-11VDC FOR 9-36VDC INPUT MODELS &
18-21VDC FOR 18-72VDC INPUT MODELS .
MECHANISM & PIN CONFIGURATION
mm [inch]
31.75 [1.25]
20.32 [0.80]
2 3
9 1011
15.24 [0.60]
12.70 [0.50]
DIA 0.50 [0.02]
5.08 [0.20]
23 22
16 15 14
2.54 [0.10]
BOTTOM VIEW
PHYSICAL CHARACTERISTICS
CASE SIZE
CASE MATERIAL
WEIGHT
20.3 x 31.8 x 12.7 mm 0.8 x 1.25 x 0.5 inches
Plastic
15 g
PIN ASSIGNMENT
GENERAL
PIN NO.
SINGLE
DUAL
2&3
Vi -
Vi -
9
N. C.
com
10&15
N. C.
N. C.
11
N. C.
Vo-
14
Vo+
Vo+
16
Vo -
com
22&23
Vi+
Vi+
DERATING
100
Power out [ % ]
NATURAL
CONVECTION
COOLING
0
-25
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Ambient Temperature [
o
C ]
71
90
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