2.9.1.1Typical current profile

1.2

 

 

 

 

 

 

 

 

1.0

 

 

 

 

 

 

 

 

0.8

 

 

 

 

 

 

 

 

Amps

 

 

 

 

 

 

 

 

0.6

 

 

 

 

 

 

 

 

0.4

 

 

 

 

 

 

 

 

0.2

 

 

 

 

 

 

 

 

 

+5 Volt Current during spindle start — Typical Amperes

 

 

0.0

 

 

 

 

 

 

 

 

1

2

3

4

5

6

7

8

9

 

 

 

 

Seconds

 

 

 

 

Figure 1. Typical 5V startup and operation current profile

3.0

+12 Volt Current during spindle start — Typical Amperes

2.5

 

 

 

 

 

 

 

 

2.0

 

 

 

 

 

 

 

 

Amps

 

 

 

 

 

 

 

 

1.5

 

 

 

 

 

 

 

 

1.0

 

 

 

 

 

 

 

 

0.5

 

 

 

 

 

 

 

 

0.0

 

 

 

 

 

 

 

 

0

1

2

3

4

5

6

7

8

 

 

 

 

Seconds

 

 

 

 

Figure 1. Typical 12V startup and operation current profile

8

U Series 9 Product Manual, Rev. D

Page 18
Image 18
Seagate ST360019A manual Typical current profile, Typical 5V startup and operation current profile