OC POWER REQUIREMENTS
1.6
The
ST212
is
listed in accordance with UL
478
and CSA C22.2 (0-MI982), and
meets
aIl
applicable sections
of
IEC 380
and
VDE 0806/08.81, as tested by TUV-
Rheinland, North America.
Power may be applied or removed in any sequence without loss
of
data
or
damage
to the drive.
+12
VDC
Voltage Tolerance (inc. ripple):
Maximum Current
at
Power-on:
±
5070
Both seek and non-
seek conditions
3.2 Amp
1.0
Amp typical
+5
VDC:
Voltage Tolerance (inc. ripple):
Maximum Current
at
Power-on:
POWER:
±
5070
Both seek and non-
seek conditions
1.2
Amp
1.0
Amp typical
17
Watts typical
INPUT NOISE RIPPLE
1.&.1
The maximum permitted ripple
is
50
mV
(peak-to-peak)
on
either +
12
Volts
or
+5
Volts.
INPUT NOISE FREQUENCY
20
MHz
max.
on
both
the +
12
VDC
and
+ 5 VDC
Hnes.
1.&.2
AMPS
r------~-----...,...-----~
15
10
5
4.0
t---------+------4-------I
3.5
3.2~---llIo....
3.0
2.5
2.0
t---------+------4-~-----I
.5
0.0 ..... ---"'
.......
~
o
1.5
1.0
FIGURE
1:
Typical
+12Volt OC
Start-up Current
Profile
SECONDS
ST212
PRODUCT
MANUAL/Rev. B
3
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