MEAN WELL SP-320-48 전단
USP-225
series
USP-225
series
SP-320
series
Mechanical Specification
Derating Curve
Static Characteristics
File Name:SP-320-SPEC 2013-12-17
Case No. 912G Unit:mm
AMBIENT TEMPERATURE ( )
℃
INPUT VOLTAGE (VAC) 60Hz
90
88
95
100
115
135
155
175
195
230
264
300
250
200
150
100
50
25
LOAD
(%)
LOAD
(%)
10
20
30
40
50
60
70
20
40
60
80
100
-20
0
320W Single Output with PFC Function
(HORIZONTAL)
Block Diagram
fosc : 100KHz
PWM & PFC
CIRCUIT
DETECTION
O.L.P.
EMI
FILTER
RECTIFIERS
POWER
SWITCHING
FILTER
&
RECTIFIERS
+V
-V
-V
I/P
FG
CONTROL
O.V.P.
O.T.P.
INRUSH
CURRENT
ACTIVE
LIMITING
FAN
FAN
CONTROL
SPEED
90
100
80
70
60
50
40
3.3V,5V
Others
SP-320
series
133
9.5
8
5
LED
+V ADJ.
4-M4 L=5mm
5-M3 L=3mm
1
2
3
4
5
6
7
8
9
27.5
19
177.5
32.5
150
117.5
15
16
10
95
50
32.5
37.5
50.5
11
5
48.7
36.7
32.5
150
215
6-M4 L=5mm
25
50
14 max.
Air flow
direction
Terminal Pin No. Assignment :
Pin No.
Pin No.
1
4~6
3
2
7~9
Assignment
Assignment
AC/L
DC OUTPUT -V
FG
AC/N
DC OUTPUT +V