User's Manual

81
ACTIVE INRUSH
CURRENT
LIMITING
EMI FILTER
I/P
FG
RECTIFIERS
&
P. F . C .
POWER
SWITCHING
O.L.P.
PWM
CONTROL
RECTIFIERS
&
FILTER
O.C.P.
O.V.P.
O.T.P.
DETECTION
CIRCUIT
FAN
SIGNAL
CONTROL
CURRENT
SHARING
CIRCUIT
PFC fosc: 88kHz
PWM fosc: 100kHz
POK
P
+V
-V
RC.G.
RC
BLOCK DIAGRAM
DERATING CURVE
AMBIENT TEMPERATURE ( C)
o
LOAD (
%
)
-20 0 10 20 30 45 50 60 (HORIZONTAL)
20
40
50
60
80
100
INPUT VOLTAGE (V) 60Hz
11 588 100 135 155 230 264
90
100
80
70
60
50
40
LOAD(%)
OUTPUT DERATING VS INPUT VOLTAGE