Table 2: | DC power |
|
| |
|
|
| ||
ST1.3 Series Power Consumption (W) | Average 3.3V (mA) | Max 3.3V (mA) | ||
Max current the average of the peak value in 10ms window | ||||
|
| |||
|
|
|
| |
Current |
| 270 | 330 | |
|
|
|
| |
Spinup |
| 180 | 300 | |
|
|
| ||
Load/Unload current | 190 | 200 | ||
|
|
|
| |
Write |
| 240 | 300 | |
|
|
|
| |
Read |
| 230 | 300 | |
|
|
|
| |
Seek |
| 154 | 161 | |
|
|
| ||
Performance idle | 140 | 147 | ||
|
|
| ||
Low power idle | 77 | 86 | ||
|
|
| ||
Standby/Sleep | 13 | 18 | ||
|
|
|
|
*During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, which may increase acoustic and power to operational levels.
2.7.1.1Typical current profile
Figure 4. Typical 3.3V startup and operation current profile
8 | ST1.3 Series Product Manual, Rev. C |