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PC 815
3
User
’
s
Manual
70
Power Supply Specification
SHORT
CIRCUIT
PROTECTION
Output
short
circuit
is
defined
to
be
a
short
circuit
load
of
less
than
0.1
ohm.
In
the
event
of
an
output
short
circuit
condition
on
+3.3V,
+5V
or
+12V
output,
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.
OVERLOAD
PROTECTION
Overload
currents
defined
as
a
10
amp/sec
fault
current
ramp
starting
from
full
load,
applied
to
the
+3.3V,
+5V
output,
shall
not
cause
that
output
to
exceed
32
amps
before
the
output
voltage
drops
below
0.5
volts
and
is
latched
off.
The
+12V
output
shall
not
exceed
20
amps
under
the
same
ramp
conditions
starting
at
full
load
before
it
is
latched
off.
POWER
SIGNAL
100
–500mSec.
POWER
GOOD
@
115/230V,FULL
LOAD
FULL
LOAD
1
m-sec.
minimum
POWER
FAIL
@115/230V,
2.
Efficiency
Typical
load
Loading
Voltage
Full
load
Light
load
Required
Minimum
115V
80%
81%
80%
Efficiency
Required
Minimum
230V
81%
82%
80%
Efficiency
3.
Environmental
Requirements
Operating
temperature
range:
10
C
to
50
C
Storage
temperature
range:
-20
C
to
+80
C
Humidity,
non-condensing:
5%
~
95%RH,
Non-
Condensing