Efficiency and power losses – Rockwell Automation 1606-XLP50E Power Supply Reference Manual User Manual
Page 8
All parameters are specified at 24V, 2.1A, 230Vac input, 25ªC ambient and after a 5 minutes run-in time unless noted otherwise.
8
Rockwell Automation Publication 1606-RM034A-EN-P — March 2014
Bulletin 1606 Switched Mode Power Supplies
11. Efficiency and Power Losses
AC 100V
AC 120V
AC 230V
%
5
.
7
8
.
p
y
t
y
c
n
e
i
c
i
f
f
E
88.4% 89.0%
2.1A,
24V
W 0A
3
.
1
W
7
.
0
W
6
.
0
.
p
y
t
Power losses
W 1.05A, 24V
4
.
4
W
1
.
4
W
0
.
4
.
p
y
t
W 2.1A, 24V
2
.
6
W
6
.
6
W
2
.
7
.
p
y
t
Fig. 11-1 Efficiency vs. output current at 24V
Fig. 11-2 Losses vs. output current at 24V
Efficiency
0.3
76
78
80
82
84
86
88
74
90%
2.1 A
0.9
1.2
1.8
Output Current
0.6
1.5
a) 100Vac
b) 120Vac
c) 230Vac
b
c
a
Power Losses
1
.
2
3
.
0
0
A
0
1
3
4
5
6
8W
2
7
0.6
0.9
1.2
Output Current
1.5
1.8
a) 100Vac
b) 120Vac
c) 230Vac
a
b
c
a
b
c
Fig. 11-3 Efficiency vs. input voltage, 24V, 2.1A
Fig. 11-4 Losses vs. input voltage, 24V, 2.1A
Efficiency
85
120
155
190
225 260
Vac
85
86
87
88
Input Voltage
89
90
91%
Power Losses
5
6
7
8
Input Voltage
9W
85
120
155
190
225 260
Vac