Datasheet

TEP 75WI Series
Application Note
http://www.tracopower.com Page 19 of 69
Characteristic Curves
All test conditions are at 25C°.The gures are identical for TEP 75-2418WI
50.0
52.5
55.0
57.5
60.0
62.5
65.0
67.5
70.0
72.5
75.0
77.5
80.0
82.5
85.0
87.5
90.0
92.5
95.0
10 20 30 40 50 60 70 80 90 100
% of FULL LOAD
EFFICIENCY(%)
Vin= 9V
Vin= 12V
Vin= 24V
Vin= 36V
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
10 20 30 40 50 60 70 80 90 100
% of FULL LOAD
Power Dissipation(W)
Vin= 9V
Vin= 12V
Vin= 24V
Vin= 36V
Efciency versus Output Current Power Dissipation versus Output Current
60.0
62.5
65.0
67.5
70.0
72.5
75.0
77.5
80.0
82.5
85.0
87.5
90.0
92.5
95.0
9 12 15 18 21 24 27 30 33 36
INPUT VOLTAGE(V)
EFFICIENCY(%)
Iout= 100% F.L
Iout= 50% F.L
Iout= 25% F.L
Efciency versus Input Voltage. Full Load
Derating Output Current versus Ambient Temperature with
Airow , Vin = Vin(nom)
Derating Output Current Versus Ambient Temperature with
0.24” Heat-Sink and Airow , Vin = Vin(nom)
Derating Output Current Versus Ambient Temperature with
0.45” Heat-Sink and Airow , Vin = Vin(nom)