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U4 Family Product Manual, Rev. D 9
1.7.1.1 Typical current profile
Figure 1 shows a typical current profile.
Figure 1. Typical startup and operation current profile
Power Mode Typical Watts
RMS
Typical Amps RMS
5V 12V
Spinup — — 1.5 (peak)
Seek (Random, no
read/write) 7.0 0.39 0.42
Operating 5.7 0.34 0.33
Idle 3.1 0.24 0.16
Standby/Sleep 0.8 0.14 0.01
0
0.2
0.4
0.6
0.8
1.0
1.2
Current (amps)
12345678
Time (seconds)