Figure 4. Typical St318304Fc Drive +12V Current Profile; Figure 5. Typical St336704Fc Drive +5V Current Profile - Seagate ST336704FC Product Manual

Fibre channel disc drives
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Cheetah 36LP FC Product Manual, Rev. C
+12 Volt Current during spindle start – Typical Amperes
2.0
A
1.5
1.0
0.5
0.0
T0
T1
0.0
Figure 4.
Typical ST318304FC drive +12V current profile
+5 Volt Current during spindle start – Typical Amperes
1.5
A
1.0
0.5
0.0
Figure 5.
Typical ST336704FC drive +5V current profile
Envelope of waveform
Average value of waveform
T2
T3
T4
2
4
6
Envelope of waveform
0
4
8
12
8
10
12
Seconds
Average value of waveform
16
20
24
Seconds
T5
14
16
28
32
23

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