FDD25 SERIES
SINGLE & DUAL OUTPUT
SPECIFICATION
All Specifications Typical At Nominal Line, Full Load, 25oC Unless Otherwise Noticed
GENERAL
typ.
180
Characteristics
Switching frequency
Isolation voltage
Isolation resistance
Ambient temperature
Case temperature
Derating
Conditions
Vi nom, Io nom
min.
max.
unit
KH z
VDC
M
oC
oC
% / oC
1,500
100
Input / Output
Input / Output, @ 500VDC
Operating at Vinom, Io nom
Operating at Vinom, Io nom
Vi nom
-25
+
71
+ 100
See derating curve
-40
oC
Storage temperature
Dimension
Non operational
+ 100
mm
L50.8 x W50.8 x H11.9
Free air convection
Metal
Cooling
Case material
INPUT SPECIFICATIONS
typ.
Characteristics
Conditions
min.
max.
18
unit
VDC
VDC
VDC
mA
Input voltage range
No load input current
Input voltage w/o damage
Startup voltage
Ta min ... Ta max, Io nom
9
18
36
12
4284
48
36
72
Vi = nom
Io = 0
12V models
24V models
48V models
12V models
24V models
48V models
12V models
24V models
48V models
20
15
mA
10
mA
Io nom
Io nom
Pi type
20
VDC
VDC
VDC
VDC
VDC
VDC
40
75
8.5
15
35
Input filter
OUTPUT SPECIFICATIONS
typ.
Characteristics
Conditions
min.
max.
unit
%
Output voltage accuracy
Vi nom, Io nom
2
Minimum load
Vi nom
single output models
0
%
dual output models (each output)
10
%
Line regulation
Load regulation
Io nom, Vi min ...Vi max
%
1
2
5
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
Vi nom, Io nom
%
%
S
Transient recovery time
Temperature coefficient
Ripple & noise
500
% / oC
mV
mV
%
0.02
100
150
Vi nom, Io nom, 3.3V & 5V models
BW = 20MHz
12V, 15V & dual
3.3V output models
Vi nom,
Voltage trim range
Efficiency
5
Io nom
5V, 12V, 15V & dual
%
10
Vi nom, Io nom, Po / Pi
Up to 89%, See model list
www.chinfa.com
2007.08.30
sales@chinfa.com
CHINFA [ CHINFA ELECTRONICS IND. CO., LTD. ]
