0
10
20
30
40
50
60
70
80
90
100
10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
277V
230V
110V
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%
277V
230V
110V
0%
2%
4%
6%
8%
10%
12%
14%
16%
18%
20%
50% 60% 70% 80% 90% 100%
277VAC
230VAC
115VAC
(25W)
LPF-25 series
PF
LOAD
OUTPUT LOAD vs TEMPERATURE
STATIC CHARACTERISTIC
TOTAL HARMONIC DISTORTION (THD)
AMBIENT TEMPERATURE,Ta (℃)
LOAD (%)
INPUT VOLTAGE (V) 60Hz
LOAD (%)
(HORIZONTAL)
POWER FACTOR (PF) CHARACTERISTIC
※De-rating is needed under low input voltage.
EFFICIENCY vs LOAD
LPF-25 series possess superior working efficiency that up to 87% can
be reached in field applications.
※ 48V Model, Tcase at 60℃
※ 48V Model, Tcase at 60℃
EFFICIENCY(%)
LOAD
THD
LOAD
※ Tcase at 60℃
25W Constant Voltage + Constant Current LED Driver
Constant Current Mode
-35
-30
0-15 15 30 50 60 70
20
40
60
80
100
90 100 125 135 145 155 165 175 180 200 230 305
100
90
80
70
60
50
40
175
LOAD (%)
(HORIZONTAL)
-35
-30
0-15 15 30 50 60 70
20
40
60
80
100
Tcase (℃)
File Name:LPF-25-SPEC 2018-05-29
