240W Single Output Switching Power Supply
S-240 series
Mechanical Specification
Case No. 911 Unit:mm
159.5
139.5
133
49.5
20
7
6
5
4
3
2
1
4-SO M3 L=6
Air flow
direction
190
171.25
26
3-M4 L=6
14 max.
Terminal Pin No. Assignment
Pin No. Assignment Pin No.
Assignment
DC OUTPUT -V
DC OUTPUT +V
1
2
3
AC/L
AC/N
FG
4,5
6,7
Block Diagram
fosc : 75KHz
FAN
FAN
ON/OFF
CONTROL
AUTO
SWITCH
ACTIVE
INRUSH
CURRENT
LIMITING
RECTIFIERS
&
FILTER
RECTIFIERS
&
FILTER
POWER
+V
-V
EMI
FILTER
I/P
FG
SWITCHING
DETECTION
CIRCUIT
PWM
CONTROL
O.L.P.
O.V.P.
O.T.P.
Derating Curve
Static Characteristics (24V)
Ta=25℃
32
28
24
20
16
300
100
80
250
200
150
100
50
60
40
12
8
20
25
-10
0
10
20
30
40
50
60
(HORIZONTAL)
80
85
90
160 170 180 190 200 210 220 230 240 250 260
95 100 105 110 115 120 125 130
AMBIENT TEMPERATURE (℃)
INPUT VOLTAGE (V) 60Hz
File Name:S-240-SPEC 2007-10-25
MEANWELL [ MEAN WELL ENTERPRISES CO., LTD. ]
