U10 Family Product Manual, Rev. A

 

9

 

 

 

 

 

Power Mode

Typical Watts

Typical Amps RMS

 

 

 

 

5V

12V

 

 

RMS

 

 

 

 

 

 

 

 

 

 

 

Spinup

0.65

1.5

 

 

 

 

 

 

Seeking (Random,

 

 

 

 

no read/write)

7.0

0.4

0.42

 

 

 

 

 

 

Operating (read/write)

6.5

0.46

0.350

 

 

 

 

 

 

Idle

3.5

0.28

0.170

 

 

 

 

 

 

Standby/Sleep

0.8

0.123

0.015

 

 

 

 

 

 

1.7.1.1 Typical current profile

Current (amps) 1.4

1.2

1.0

0.8

0.6

0.4

0.2

0

0

1

2

3

4

5

6

7

8

9

 

 

 

 

Time (seconds)

 

 

 

 

Figure 1. Typical startup and operation current profile