Figure 1. Typical Startup And Operation Current Profile - Seagate Barracuda ATA III Family Product Manual

Barracuda ATA III Family Product Manual, Rev. B
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Standby mode
During Standby mode, the drive accepts commands, but the drive is
not spinning, and the servo and read/write electronics are in power-
down mode.
ST340824A, ST330620A, ST320414A,
ST315310A and ST310215A
Power Mode
Spinup
Seeking (Random,
no read/write)
Operating (read/write)
Idle
Standby
Sleep
1.7.1.1 Typical current profile
3.0
2.5
2.0
1.5
1.0
0.5
0
0 1 2

Figure 1. Typical startup and operation current profile

Typical Watts RMS
—
11.5
8.0
6.0
1.5
1.0
3 4 5 6
Time (seconds)
9
Typical Amps RMS
5V 12V
0.7 2.2 (peak)
0.58 0.71
0.93 0.54
0.53 0.28
0.21 0.04
0.14 0.03
7 8 9 10