0.30
0.35
0.40
0.45
0.50
0.55
0.60
0.65
0.70
0.75
0.80
0.85
0.90
0.95
1.00
10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
277V
230V
115V
(120W)
File Name:NPF-120-SPEC 2018-01-09
NPF-120 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
NPF-120 series possess superior working efficiency that up to 90% can
be reached in field applications.
※ 48V Model, Tcase at 80℃
※ 48V Model, Tcase at 80℃
EFFICIENCY(%)
LOAD
THD
LOAD
※ Tcase at 80℃
120W Constant Voltage + Constant Current LED Driver
Constant Current Mode
LOAD (%)
(HORIZONTAL)
0-15 15 30 50 60 90
20
40
60
80
100
Tcase ( )℃
-40
230VAC
Input only
-25
90 100 125 135 145 155 165 175 180 200 230 305
100
90
80
70
60
50
40
230VAC
Input only
20
40
60
80
100
-25 0 15 3004050-40 60 70
50
45
12,15V only
80
81
82
83
84
85
86
87
88
89
90
91
92
10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
277V
230V
115V
0%
2%
4%
6%
8%
10%
12%
14%
16%
18%
20%
22%
24%
26%
50% 60% 70% 80% 90% 100%
277VAC
230VAC
115VAC
