Efficiency and power losses – Rockwell Automation 1606-XLP60BQT Power Supply Reference Manual User Manual
Page 8

All parameters are specified at 12V, 4.5A, 230Vac input, 25°C ambient and after a 5 minutes run-in time unless noted otherwise.
8
Rockwell Automation Publication 1606-RM016A-EN-P — February 2014
Bulletin 1606 Switched Mode Power Supplies
8. Efficiency and Power Losses
AC 100V
AC 120V
AC 230V
Efficiency
typ.
84.1%
85.8%
87.6%
at 12V, 4.5A (full load)
Power losses
typ.
0.45W
0.5W
0.85W
at 0A
typ.
4.1W
3.9W
4.1W
at
12V,
2.25A
(half
load)
typ.
10.2W
8.9W
7.6W
at
12V,
4.5A
(full
load)
Fig. 8-1
Efficiency vs. output current at 12V,
typ.
Fig. 8-2
Losses vs. output current at 12V,
typ.
Efficiency
0
80
84
88
78
90%
4.5A
1
3
4
2
82
86
b
c
a
2.5
3.5
0.5
1.5
Output Current
a) 230Vac
b) 120Vac
c) 100Vac
Power Losses
0
4
8
0
12W
4.5A
0.5
1.5
1
2
6
b
c
a
10
2 2.5 3 3.5 4
a) 230Vac
b) 120Vac
c) 100Vac
Output Current
Fig. 8-3
Efficiency vs. input voltage at 12V,
4.5A, typ.
Fig. 8-4
Losses vs. input voltage at 12V, 4.5A,
typ.
Efficiency
85
120
155
190
225 260Vac
Input Voltage
89%
84
86
88
87
85
83
Power Losses
0
2
4
6
8
10
12W
85
120
155
190
225 260Vac
Input Voltage