Seagate Pavilion 7700 - Conducted Noise; Figure 1. Typical Startup and Operation Current Profile

U Series 5 Family Product Manual, Rev. B 9
1.7.1.1 Typical current profile
Figure 1. Typical startup and operation current profile
1.7.2 Conducted noise
Power Mode Typical Watts
RMS
Typical Amps RMS
5V 12V
Spinup — 0.9 1.5
Seek (Random,
no read/write)
Performance mode 9.6 0.52 0.58
Operating (read/write)
Performance mode 7.1 0.67 0.31
Idle 4.8 0.57 0.16
Standby 1.4 0.20 0.032
Sleep 1.0 0.13 0.032
-0.2
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.4 2.9 4.4 5.9 7.4 8.9
Time (seconds)
Current (amps)