Seagate Barracuda ST360019A - Manual (Page 18)

8 U Series 9 Product Manual, Rev. D
2.9.1.1 Typical current profile
Figure 1. Typical 5V startup and operation current profile
Figure 1. Typical 12V startup and operation current profile
1 2 3 4 5 6 7 8 9
0.0
0.2
0.4
0.6
0.8
1.0
Amps
Seconds
+5 Volt Current during spindle start — Typical Amperes
1.2
0 1 2 3 4 5 6 7 8
0.0
0.5
1.0
1.5
2.0
2.5
Amps
Seconds
+12 Volt Current during spindle start — Typical Amperes
3.0