Datasheet
QTD20.241
Q-Series
24V, 20A, DC INPUT
Mar 2012 / Rev. 1.2 DS-QTD20.241-EN
All parameters are specified at 24V, 20A, 600Vdc input, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
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10. EFFICIENCY AND POWER LOSSES
600Vdc
Efficiency typ. 95.0% 20A, 24V,
Power losses typ. 25.5W 20A, 24V,
typ. 7.7W 0A
Fig. 10-1 Efficiency vs. output current at 24V Fig. 10-2 Losses vs. output current at 24V
Efficiency
4 6 8 101214161820
A
88
89
90
91
92
93
94
95
96%
Output Current
Power Losses
02468101214 20
A
0
5
10
15
20
Output Current
25
30W
16 18
Fig. 10-3 Efficiency vs. input voltage, 24V, 20A Fig. 10-4 Losses vs. input voltage, 24V, 20A
Efficiency
350 450 650 750 850
Vd
c
92.5
93.0
93.5
94.0
94.5
95.0
95.5%
Input Voltage
550
Power Losses
350 450 550 650 850
Vd
c
23.0
25.0
27.0
29.0
31.0
33.0
35W
750
Input Voltage
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