Table 4:

DC power requirements

 

 

 

 

 

 

 

Power dissipation (typical)

 

 

 

Example: ST3500841SCE

Average (watts, 25° C)

5V typ amps

12V typ amps

 

 

 

 

 

Spinup

 

2.0 (peak)

 

 

 

 

 

Idle

 

8.00

0.353

0.519

 

 

 

 

 

Operating

(Consumer Storage Profile)

9.20

0.587

0.520

 

 

 

 

 

Operating

(PVR Storage Profile)

4.88

0.39

0.41

 

 

 

 

 

Seeking

 

12.60

0.613

0.795

 

 

 

 

 

Standby

 

0.80

0.106

0.023

 

 

 

 

 

Sleep

 

0.80

0.106

0.023

 

 

 

 

 

2.8.1.1Typical current profiles

Figure 1. Typical 5V startup and operation current profile

Figure 2. Typical 12V startup and operation current profile

14

DB35.2 Serial ATA Product Manual, Rev. C

Page 20
Image 20
Seagate ST3300822SCE, ST3120213SCE, ST3160212SCE, ST3250824SCE, ST3200827SCE DC power requirements, Typical current profiles