350W Single Output with PFC Function
Mechanical Specification
FAN
23.5CFM
Air flow
direction
USP-350
Case No. 941A-D
series
Unit:mm
4.85
50mm
38
12
CN1
1
2
3
4
5
1
2
3
4
5
CN2 6
7
8
9
10
11
12
13
CN3 14
15
16
17
18
FS1
LED1
1 CN4
2
101.5
28
33.5
17.38
5-M3 L=2
54.6
81
235.2
24.5
4.85
AC Input Connector (CN1) : JST B5P-VH or equivalent
Pin No.
1
2,4
3
5
Assignment
FG
No Pin
AC/N
AC/L
Mating Housing
JST VHR
or equivalent
Terminal
JST SVH-21T-P1.1
or equivalent
DC Output Connector (CN2,CN3) : JST B9P-VH*2 or equivalent
Pin No.
1~9
10~18
Assignment
-V
+V
Mating Housing
JST VHR
or equivalent
Terminal
JST SVH-21T-P1.1
or equivalent
Remote Sense(CN4) : Molex 5045-02 or equivalent
Pin No.
1
2
Assignment
RS+
RS-
Mating Housing
Molex 5051
or equivalent
Terminal
Molex 4809
or equivalent
Block Diagram
I/P
12
fosc : 100KHz
+S
ACTIVE
INRUSH
CURRENT
LIMITING
RECTIFIERS
&
P.F.C.
POWER
SWITCH-
ING
RECTIFIERS
&
FILTER
O.T.P.
+V
-V
-S
EMI
FILTER
FG
O.L.P.
PWM
CONTROL
DETECTION
CIRCUIT
O.V.P.
O.C.P.
Derating Curve
Static Characteristics (5V)
Ta=25
100
100
Others
80
90
80
60
3.3V,5V
70
LOAD (%)
50
40
LOAD(%)
0
10
20
30
40 45 50
60 65
70 (HORIZONTAL)
60
50
40
20
-10
90
100
110
135
155
230
260
AMBIENT TEMPERATURE ( )
INPUT VOLTAGE (V) 60Hz
File Name:USP-350-SPEC 2006-07-24
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