TDD15 SERIES
SINGLE & DUAL OUTPUT
SPECIFICATION
All Specifications Typical At Nominal Line, Full Load, 25oC Unless Otherwise Noticed
GENERAL
typ.
200
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
+
60
+ 100
See derating curve
-40
oC
Storage temperature
Dimension
Non operational
L25.4 x W50.8 x H12
Free air convection
Metal
+ 100
mm
Cooling
Case material
INPUT SPECIFICATIONS
typ.
24
Characteristics
Conditions
min.
18
max.
36
unit
VDC
VDC
mA
Input voltage range
No load input current
Input voltage w/o damage
Startup voltage
Ta min ... Ta max, Io nom
35
4488
75
Vi = nom
Io = 0
24V models
48V models
24V models
48V models
24V models
48V models
25
15
mA
Io nom
Io nom
Pi type
40
VDC
VDC
VDC
VDC
78
15.8
28.6
Input filter
OUTPUT SPECIFICATIONS
typ.
Characteristics
Conditions
min.
max.
unit
%
Output voltage accuracy
Vi nom, Io nom
2
Minimum load
Vi nom
sing output models
0
%
dual output models (each output)
16
%
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
25% load, step changed
%
%
S
Transient recovery time
Temperature coefficient
Ripple & noise
500
% / oC
mV
mV
Vi nom, Io nom
0.02
150
Vi nom, Io nom,
BW = 20MHz
3.3V & 5V model
12V,15V & dual
Vout x 1%
Up to 87%, See model list
Efficiency
Vi nom, Io nom, Po / Pi
CONTROL AND PROTECTION
Input reversed
Shunt diode built in, external fuse recommended
Output short circuit
Continuous
www.chinfa.com
2007.08.30
sales@chinfa.com
CHINFA [ CHINFA ELECTRONICS IND. CO., LTD. ]
