MEAN WELL LPF-25D-12 Benutzerhandbuch
0.82
0.84
0.86
0.88
0.9
0.92
0.94
0.96
0.98
1
1.02
50%
60%
70%
80%
90%
100%
110V
230V
277V
0
10
20
30
40
50
60
70
80
90
100
10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
110V
230V
277V
25W Single Output Switching Power Supply
L P F - 2 5 D
s e r i e s
File Name:LPF-25D-SPEC 2013-11-08
Typical LED power supply I-V curve
DRIVING METHODS OF LED MODULE
LPF-25D series possess superior working efficiency that up to 86% can be reached in field applications.
LOAD
E
F
F
IC
IE
N
C
Y
(
%
)
EFFICIENCY vs LOAD (48V Model)
PF
LOAD
Constant Current Mode
(25W)
Power Factor Characteristic
100
55
(max.)
Vo
(%
)
50
95
Io(%)
(A)
Constant
Current area
(B)
Hiccup
Protection
This LED power supply is suggested to work in constant current mode area (CC) to drive the LEDs.