FDD25 SERIES
SINGLE & DUAL OUTPUT
SPECIFICATION
All Specifications Typical At Nominal Line, Full Load, 25
o
C Unless Otherwise Noticed
GENERAL
Characteristics
Switching frequency
Isolation voltage
Isolation resistance
Ambient temperature
Case temperature
Derating
Storage temperature
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
L50.8 x W50.8 x H11.9
Free air convection
Metal
min.
1,500
100
-25
typ.
180
max.
unit
KHz
VDC
M
+ 71
+ 100
o
o
C
C
See derating curve
-40
% /
o
C
+ 100
C
mm
o
INPUT SPECIFICATIONS
Characteristics
Input voltage range
Conditions
Ta min ... T max, Io nom
a
min.
9
18
36
typ.
12
48
24
48
max.
18
36
72
20
15
10
20
40
75
8.5
15
35
unit
VDC
VDC
VDC
mA
mA
mA
VDC
VDC
VDC
VDC
VDC
VDC
No load input current
Vi = nom
Io = 0
12V models
24V models
48V models
12V models
24V models
48V models
Input voltage w/o damage
Io nom
Startup voltage
Io nom
12V models
24V models
48V models
Input filter
Pi type
OUTPUT SPECIFICATIONS
Characteristics
Output voltage accuracy
Minimum load
Line regulation
Load regulation
Transient recovery time
Temperature coefficient
Ripple & noise
Voltage trim range
Efficiency
Vi nom
Conditions
Vi nom, Io nom
single output models
dual output models (each output)
min.
0
10
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
500
0.02
%
%
%
S
% / C
mV
mV
%
%
o
Vi nom, Io nom ... 1/2 Io nom
Vi nom, Io nom
Vi nom, Io nom,
BW = 20MHz
Vi nom,
Io nom
3.3V & 5V models
12V, 15V & dual
100
150
5
10
Up to 89%, See model list
3.3V output models
5V, 12V, 15V & dual
Vi nom, Io nom, Po / Pi
www.chinfa.com
2007.08.30
sales@chinfa.com
CHINFA [ CHINFA ELECTRONICS IND. CO., LTD. ]
