G: power supply – March Products 120 III (PC620) User Manual
Page 132
User Manual version 2503
LIBRA 120 III (PC620 Intel 815E)
6-122
G: Power Supply
The AC power supply used in the LIBRA 120 III is a 180
watts,
1U ATX power supply,
FSP180-50PLA
.
G-1.
E
LECTRICAL
R
EQUIREMENT
G-1-1:
O
UTPUT
R
ATING
Nominal Regulation Ripple & Noise
Min
Max
+3.3V
+/- 5%
50mV
0.3A
16.8A
+5V
+/- 5%
50mV
0.3A
12.0A
+12V
+/- 5%
120mV
1.5A
10.0A
-12V
+/- 10%
120mV
0.0A
0.8A
+5V
SB
+/- 5%
50mV
0.0A
2.0A
*
-12V,
+3.3V,
+5V,
+12V
will have the regulation to
+/-10% when all load take off.
*
The +3.3V and +5V total output shall not exceed 61 watts.
The +3.3V, +5V and +12V total output shall not exceed 165
watts. Ripple and noise measurements shall be made under
all specified conditions through a single pole low pass filter
with 20MHz cutoff frequency.
G-1-2:
H
OLD
-
UP
T
IME
(@
FULL LOAD
)
u
115V/60Hz: 17 msec min.
u
230V/50Hz: 17 msec min.
G-1-3:
O
UTPUT
R
ISE
T
IME
u
115V-rms or 230V-rms +5V
DC
20ms min.
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