NPF-120D Datasheet, PDF (3/6 Pages) Mean Well Enterprises Co., Ltd. – 120W Single Output Switching Power Supply

120W Single Output Switching Power Supply
NPF-120D series
Block Diagram
EMI FILTER
I/P
&
RECTIFIERS
PFC
CIRCUIT
POWER
SWITCHING
O.T.P.
O.L.P.
PWM & PFC
CONTROL
RECTIFIERS
&
FILTER
PFC fosc : 50~120KHz
PWM fosc : 60~130KHz
O.L.P.
DETECTION
CIRCUIT
+V
-V
DIM+
DIM-
O.V.P.
Derating Curve
Static Characteristics
100
80
230VAC
Input only
60
50
40
20
12,15V only
-40 -25
0
15
30
40 45 50
60
70 (HORIZONTAL)
AMBIENT TEMPERATURE (℃)
100
90
80
70
60
50
40
90 100 125 135 145 155 165 175 180 200 230 305
INPUT VOLTAGE (V) 60Hz
Power Factor Characteristic
Constant Current Mode
1 .0 0
0 .9 5
0 .9 0
0 .8 5
0 .8 0
0 .7 5
0 .7 0
0 .6 5
0 .6 0
0 .5 5
0 .5 0
0 .4 5
0 .4 0
0 .3 5
0 .3 0
10%
20%
30%
40%
50% 60%
LOAD
70%
80%
90% 100%
(120W)
277V
230V
115V
File Name:NPF-120D-SPEC 2015-11-30