Datasheet

IPC-250
250W Industrial 1UATX 12V/P4 PC Power Supply
File Name: IPC-250-SPEC 2013-12-19
Derating Curve Output Derating VS Input Voltage
AMBIENT TEMPERATURE ( )℃ INPUT VOLTAGE (V) 60Hz
LOAD (%)
-10010203040506070(HORIZONTAL)
20
40
60
80
100
LOAD(%)
Block Diagram
fosc : 100KHz
PWM
O.V.P. CIRCUIT
DETECTION &
O.L.P.
EMI
FILTER
RECTIFIERS
&
P.F. C .
POWER
SWITCH-
+5V,+12V,-5V,-12V
PS/ON
I/P
FG
ING
CONTROL
INRUSH
CURRENT
ACTIVE
LIMITING
COM
PWM CONTROL
POWER SWITCHING
PG
RECTIFIERS
&
FILTER
CONTROL
MA &
RECTIFIERS
&
FILTER
+3.3V
FILTER
RECTIFIERS
&
+5VSB
DETERCTION
+5VSB
CIRCUIT
P.G. DETECTION
CIRCUIT
CONTROL
PS/ON
11590 100 135 155 230 264
90
100
80
70
60
50
40