MEAN WELL LPF-40D-24 Benutzerhandbuch
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
277VAC
230VAC
115VAC
230VAC
115VAC
0 .8 4
0 .8 5
0 .8 6
0 .8 7
0 .8 8
0 .8 9
0 .9
0 .9 1
0 .9 2
0 .9 3
0 .9 4
0 .9 5
0 .9 6
0 .9 7
0 .9 8
0 .9 9
1
5 0 %
6 0 %
7 0 %
8 0 %
9 0 %
1 0 0 %
2 7 7 V A C
2 3 0 V A C
1 1 5 V A C
2 3 0 V A C
1 1 5 V A C
LPF-40D series possess superior working efficiency that up to 89% can be reached in field applications.
LOAD
EFFICIENCY
(%)
EFFICIENCY vs LOAD (48V Model)
PF
LOAD
Constant Current Mode
DRIVING METHODS OF LED MODULE
(40W)
Power Factor Characteristic
This LED power supply is suggested to work in constant current mode area (CC) to drive the LEDs.
Typical LED power supply I-V curve
Vo(%)
100
60
50
95
(max.)
Io (%)
Constant
Current area
Hiccup
Protection
In the constant current region, the highest voltage at the output of the driver
depends on the configuration of the end systems.
Should there be any compatibility issues, please contact MEAN WELL.
40W Single Output Switching Power Supply
L P F - 4 0 D
s e r i e s
File Name:LPF-40D-SPEC 2014-01-15