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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
K H z
1,500
VDC
1G
-25
+ 71
o
C
+ 95
o
C
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
o
C
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
P
o
w
e
r
o
u
t
[
%
]
1
mm [inch]
50.80 [2.00]
11.94 [0.47]
DIA 1.00 [0.04]
5.08 [0.20]
2
4
5
6
7
8
GENERAL
ON / OFF
Vo1
(+ 5V)
com
Vo3
(- OUT)
2.54 [0.10]
BOTTOM VIEW
4
5
1
2
5
0
.
8
0
[
2
.
0
0
]
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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