76
Publication 1747-SG001D-EN-P — January 2009
Power Supply Heat
Dissipation Graphs
Use the graphs below for determining the power supply dissipation in step 2 of the
Example Worksheet for Calculating Heat Dissipation.
0
2
4
6
8
10
12
14
16
18
20
0
5
10
15
20
25
Power Supply Loading (Watts)
1746-P1
Power Supply Change in Power
Dissipation due to Output Loading
Power Supply Dissipation (W
atts)
1746-P2
Power Supply Change in Power
Dissipation due to Output Loading
0
10
20
30
40
50
Power Supply Loading (Watts)
0
2
4
6
8
10
12
14
16
18
20
Power Supply Dissipation (W
atts)
1746-P3
Power Supply Change in Power
Dissipation due to Output Loading
Power Supply Dissipation (W
atts)
0
0
5 10 15 20 25
Power Supply Loading (Watts)
30 35
5
10
15
20
25
1746-P4
Power Supply Change in Power
Dissipation due to Output Loading
0 10 20 30 40 50
Power Supply Loading (Watts)
60 70 80
0
5
10
15
20
25
Power Supply Dissipation (W
atts)
1746-P5
Power Supply Change in Power
Dissipation due to Output Loading
0
2
4
6
8
10
12
14
16
18
20
Power Supply Dissipation (W
atts)
0
5
10
15
20
25
Power Supply Dissipation (W
atts)
0 10 20 30 40 50
Power Supply Loading (Watts)
60
1746-P6
Power Supply Change in Power
Dissipation due to Output Loading
0
2
4
6
8
10
12
14
16
18
20
Power Supply Dissipation (W
atts)
1746-P7
Power Supply Change in Power
Dissipation due to Output Loading
0
20
40
60
80
100
Power Supply Loading (Watts)
0
10
20
30
40
50
Power Supply Loading (Watts)
60
24V Input
12V Input
60
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