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U8 Family Product Manual, Rev. A
Power Mode
Spinup
Seeking (Random,
no read/write)
Operating (read/write)
Idle
Standby/Sleep
1.7.1.1 Typical current profile
Current (amps)
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
1
2
Figure 1. Typical startup and operation current profile
Typical Amps RMS
Typical Watts
5V
RMS
—
0.5
7.0
0.4
6.5
0.42
3.5
0.28
0.8
0.123
3
4
5
6
Time (seconds)
9
12V
1.5
0.42
0.367
0.170
0.015
7
8
9
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