20
21
-1
1
18
Power Supply PS1000-A6-12.16
Efficiency and Power Losses
12
Efficiency and Power Losses
Figure 12.1 Efficiency vs. output current at 12V, typ.
Figure 12.2 Losses vs. output current at 12V, typ.
AC 100V
AC 120V
AC 230V
Efficiency
typ.
92.1%
92.8%
94.3%
At 12V, 16A
typ.
92.0%
92.7%
94.2%
At 12V, 19.2A
Average efficiency
1
typ.
91.6%
92.2%
93.3%
At 25% at 4A, 25% at 8A,
25% at 12A. 25% at 16A
Power losses
typ.
0.5W
2
0.5W
2
0.6W
2
At Remote OFF
typ.
3.1W
3.0W
2.5W
At 12V, 0A
typ.
8.0W
7.8W
6.7W
At 12V, 8A
typ.
16.5W
14.9W
11.6W
At 12V, 16A
typ.
20.0W
18.1W
13.9W
At 12V, 19.2A
1
The average efficiency is an assumption for a typical application where the power supply is loaded with 25% of the nominal load
for 25% of the time, 50% of the nominal load for another 25% of the time, 75% of the nominal load for another 25% of the time
and with 100% of the nominal load for the rest of the time.
2
In OFF mode, the unit fulfills the ErP requirements of the European Union.
Efficiency
2 4 6 8 10 12
16 18 20A
89
90
91
92
93
94
95%
Output Current
14
(a)
(b)
(c)
(a) 100Vac
(b) 120Vac
(c) 230Vac
Power Losses
0 2
6 8
12 14
20A
4
0
8
12
16
24W
18
20
4
10
16
Output Current
(a)
(b)
(c)
(a) 100Vac
(b) 120Vac
(c) 230Vac
