Figure 1. Typical 5V Startup And Operation Current Profile; Figure 2. Typical 12V Startup And Operation Current Profile - Seagate ST3160022A Product Manual

U Series 9 Product Manual, Rev. C
2.9.1.1 Typical current profile
1.2
1.0
0.8
Amps
0.6
0.4
0.2
0.0
Figure 1. Typical 5V startup and operation current profile
3.0
2.5
2.0
Amps
1.5
1.0
0.5
0.0
Figure 2. Typical 12V startup and operation current profile
+5 Volt Current during spindle start — Typical Amperes
1 2 3
+12 Volt Current during spindle start — Typical Amperes
0 1 2
4 5 6
Seconds
3 4 5
Seconds
7 8 9
6 7 8
11