HLP-40H_1108 Datasheet, PDF (3/4 Pages) Mean Well Enterprises Co., Ltd. – 40W Single Output Switching Power Supply

40W Single Output Switching Power Supply
HLP-40H series
Power Factor Characteristic
1
0 .9 9
0 .9 8
0 .9 7
0 .9 6
0 .9 5
0 .9 4
0 .9 3
0 .9 2
0 .9 1
0 .9
0 .8 9
0 .8 8
0 .8 7
0 .8 6
0 .8 5
50%
Constant Current Mode
60%
70%
80%
90%
LOAD
100%
(40W)
277VAC
230VAC
115VAC
EFFICIENCY vs LOAD (48V Model)
HLG-40H series possess superior working efficiency that up to 89.5% can be reached in field applications.
92
90
88
86
84
82
80
78
76
74
72
70
10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
LOAD
277VAC
230VAC
115VAC
DRIVING METHODS OF LED MODULE
There are two major kinds of LED drive method "direct drive" and "with LED driver".
A typical LED power supply may either work in "constant voltage mode (CV) or constant current mode (CC)" to drive the LEDs.
Mean Well's LED power supply with CV+ CC characteristic can be operated at both CV mode (with LED driver, at area (A) and CC mode (direct drive, at area (B).
100
60
(max.)
(A) Constant
Voltage area
(B)
Constant
Current area
(C)
Hiccup
Protection
50
95
Io (%)
Typical LED power supply I-V curve
File Name:HLP-40H-SPEC 2011-08-31