Seagate ST38421A, ST32112A Typical current profile, Power Mode Typical Watts Typical Amps RMS 12V

Models: ST34311A ST38421A ST32112A ST36421A

1 42
Download 42 pages 13.08 Kb
Page 17
Image 17

U4 Family Product Manual, Rev. D

 

9

 

 

 

 

 

 

Power Mode

Typical Watts

Typical Amps RMS

 

 

 

 

5V

12V

 

 

RMS

 

 

 

 

 

 

 

 

 

 

 

Spinup

1.5 (peak)

 

 

 

 

 

 

Seek (Random, no

 

 

 

 

read/write)

7.0

0.39

0.42

 

 

 

 

 

 

Operating

5.7

0.34

0.33

 

 

 

 

 

 

Idle

3.1

0.24

0.16

 

 

 

 

 

 

Standby/Sleep

0.8

0.14

0.01

 

 

 

 

 

 

1.7.1.1 Typical current profile

Figure 1 shows a typical current profile.

Current (amps)

1.2

 

 

 

 

 

 

 

1.0

 

 

 

 

 

 

 

0.8

 

 

 

 

 

 

 

0.6

 

 

 

 

 

 

 

0.4

 

 

 

 

 

 

 

0.2

 

 

 

 

 

 

 

0

2

3

4

5

6

7

8

1

Time (seconds)

Figure 1. Typical startup and operation current profile

Page 17
Image 17
Seagate ST38421A manual Typical current profile, Power Mode Typical Watts Typical Amps RMS 12V, Current amps Time seconds