Datasheet

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
230VAC
Input only
Block Diagram
LOAD (%)
INPUT VOLTAGE (V) 60Hz
90 100 125 135 145 155 165 175 180 200 230 305
100
90
80
70
60
50
40
LOAD (%)
Derating Curve
LOAD (%)
Derating Curve Static Characteristics
AMBIENT TEMPERATURE ( )℃
LOAD (%)
175
LOAD (%)
20
40
60
80
100
(HORIZONTAL)
-25 0 15 30
04050-40 60 70
50
PF
LOAD
(120W)
Power Factor Characteristic
PFC fosc : 50~120KHz
PWM fosc : 60~130KHz
DETECTION
PWM & PFC
CIRCUIT
O.L.P.O.T.P.
EMI FILTER
RECTIFIERS
POWER
SWITCHING
FILTER
&
RECTIFIERS
+V
-V
I/P
CONTROL
O.V.P.
&
O.L.P.
PFC
CIRCUIT
45
12,15V only
120W Single Output Switching Power Supply
NPF-120 series
File Name:NPF-120-SPEC 2015-05-08
Constant Current Mode