3 / 4 page
www.chinfa.com
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
50
KHz
1,500
VDC
1G
-25
+ 71
oC
+ 90
oC
Characteristics
Conditions
min.
unit
Output voltage accuracy
Minimum load
Line regulation
Load regulation
Temperature coefficient
Ripple & noise
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
Vi nom, Io nom, BW = 20MHz
typ.
max.
Efficiency
Vi nom, Io nom, Po / Pi
OUTPUT SPECIFICATIONS
0
20
%
%
%
%
2
1
2
5
%
0.02
o
% / C
Vout x
2%
mV
Up to 73%, See model list
Input reversed
Shunt diode built in, external fuse recommended
Output short circuit
Continuous
CONTROL AND PROTECTION
Storage temperature
M.T.B.F.
Non operational
According to MIL-HDBK-217F, GF40
-40
+100
oC
896,100
Hrs
Characteristics
Conditions
min.
typ.
max.
unit
Input voltage range
No load input current
Input voltage w/o damage
Ta min ...Ta max,
Io nom
Vi nom, Io = 0
Io nom
2:1 models
3:1 models
4:1 models
12V models
24V models
48V models
12V models
24V models
48V models
9
18
36
9
18
12
24
48
24
48
18
36
72
36
72
18
12
8
20
40
75
VDC
VDC
VDC
VDC
VDC
mA
mA
mA
VDC
VDC
VDC
Dimension
L20.3 x W31.8 x H12.7
mm
Cooling
Case material
Free air convection
Plastic
GENERAL
Derating
Vi nom
o
% / C
See derating curve
%
o
All Specifications Typical At Nominal Line, Full Load, 25 C Unless Otherwise Noticed
SPECIFICATION
FDD03 SERIES
SINGLE & DUAL OUTPUT
20
48
60
VDC
INPUT SPECIFICATIONS
sales@chinfa.com