March Products 120 III (PC620) User Manual
Page 133
User Manual version 2503
LIBRA 120 III (PC620 Intel 815E)
6-123
G-1-4:
O
VER
V
OLTAGE
P
ROTECTION
u
+5V
DC
output: +5.7V
DC
output min. +6.5V
DC
output max.
u
+12V
DC
output: +13.3V
DC
output min. +15.6V
DC
output max.
u
+3.3V
DC
output: +3.7V
DC
output min. +4.5V
DC
output max.
G-1-5:
S
HORT
C
IRCUIT
P
ROTECTION
Output short circuit is defined to be a short circuit load of 0.1
ohm. In the event of short circuit condition on +3.3V, +5V or
+12V, the power supply will shutdown and latch off. The
power supply shall return to normal operation after the short
circuit has been removed and the power switch has been
turned off for no more than 2 seconds.
In the event of short circuit condition on –12V, the power
supply will not latch off. The power supply shall return to
normal operation as soon as the short circuit has been
removed and the power switch has been turned off for no
more than 2 seconds.
G-1-6:
AC
I
NPUT
L
INE
R
EQUIREMENT
Parameter
Min.
Nom.
Max.
Unit
V
IN
(115V
AC
)
90
115
135
V
AC
rms
V
IN
(230V
AC
)
180
230
263
V
AC
rms
V
IN
Frequency
47
-
63
Hz
u
Input current: 4.0A @115V
AC
, 2.0A @230V
AC
u
Inrush current: 50A @115V
AC
, 80A @230V
AC
u Efficiency: >68% min. @full load, 115V
AC
& 230V
AC
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