Seagate ULTRA ATA ST320423A - Manual (Page 17)

U10 Family Product Manual, Rev. A 9
1.7.1.1 Typical current profile
Figure 1. Typical startup and operation current profile
Power Mode Typical Watts
RMS
Typical Amps RMS
5V 12V
Spinup — 0.65 1.5
Seeking (Random,
no read/write)
7.0 0.4 0.42
Operating (read/write) 6.5 0.46 0.350
Idle 3.5 0.28 0.170
Standby/Sleep 0.8 0.123 0.015
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0 1 2 3 4 5 6 7 8 9
Current (amps)
Time (seconds)