Data Sheet

70
72
74
76
78
80
82
84
86
88
90
92
94
96
10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
277V
230V
OUTPUT LOAD vs TEMPERATURE
AMBIENT TEMPERATURE,Ta ( )℃
LOAD (%)
(HORIZONTAL)
POWER FACTOR (PF) CHARACTERISTIC
Tcase ( )℃
LOAD (%)
(HORIZONTAL)
-25-100 203545556580
20
40
60
80
100
-25 0-10 15 30 50
60
65
20
40
60
80
100
LOAD
(230Vac Input)
(55W)
※ Tcase at 75℃
LDC-55 series
STATIC CHARACTERISTIC
INPUT VOLTAGE (V) 60Hz
LOAD (%)
180
190
200 210
220
230
240
295
100
90
80
70
60
50
40
55W Constant Power MODE Linear LED Driver
File Name:LDC-55-SPEC 2018-09-14
PF
TOTAL HARMONIC DISTORTION (THD)
EFFICIENCY vs LOAD
LDC-55 series possess superior working efficiency up to 90%.
0.88
0.9
0.92
0.94
0.96
0.98
1
50% 60% 70% 80% 90% 100%
277V
230V
LOAD
EFFICIENCY(%)
THD
LOAD
※ 1100mAModel, Tcase at 75℃
※ 1100mA Model, Tcase at 75℃
3%
4%
5%
6%
7%
8%
9%
10%
50% 60% 70% 80% 90% 100%
277VAC
230VAC