Table 3 3TB Drive DC power requirements
|
| Notes | 6.0Gb mode | ||
|
|
|
|
| |
Voltage |
| +5V |
| +12V | |
|
|
|
|
| |
Regulation |
|
| ± 5% | ||
|
|
|
| ||
Avg Idle Current * |
| 0.28 |
| 0.50 | |
|
|
|
|
|
|
Advanced Idle Current * |
|
|
|
| |
| Idle_A |
| 0.17 |
| 0.49 |
|
|
|
|
|
|
| Idle_B |
| 0.16 |
| 0.45 |
|
|
|
|
|
|
| Idle_C |
| 0.15 |
| 0.27 |
|
|
|
|
|
|
| Standby |
| 0.15 |
| 0.01 |
|
|
|
|
|
|
Maximum Start Current |
|
|
|
| |
| DC (peak DC) | 3σ | 0.52 |
| 2.16 |
|
|
|
|
|
|
| AC (Peak DC) | 3σ | 0.85 |
| 2.89 |
|
|
|
|
|
|
Delayed Motor Start (DC max) | 3σ | 0.16 |
| 0.01 | |
|
|
|
|
|
|
Peak operating current (random read): |
|
|
|
| |
| Typical DC |
| 0.31 |
| 0.81 |
|
|
|
|
|
|
| Maximum DC | 3σ | 0.32 |
| 0.84 |
|
|
|
|
|
|
| Maximum DC(peak) | 3σ | 1.83 |
| 2.43 |
|
|
|
|
|
|
Peak operating current (random write) |
|
|
|
| |
| Typical DC |
| 0.30 |
| 0.78 |
|
|
|
|
|
|
| Maximum DC | 3σ | 0.32 |
| 0.79 |
|
|
|
|
|
|
| Maximum DC(peak) | 3σ | 0.78 |
| 2.39 |
|
|
|
|
|
|
Peak operating current (sequential read) |
|
|
|
| |
| Typical DC |
| 0.63 |
| 0.56 |
|
|
|
|
|
|
| Maximum DC | 3σ | 0.66 |
| 0.57 |
|
|
|
|
|
|
| Maximum DC(peak) | 3σ | 1.36 |
| 2.20 |
|
|
|
|
|
|
Peak operating current (sequential write) |
|
|
|
| |
| Typical DC |
| 0.55 |
| 0.60 |
|
|
|
|
|
|
| Maximum DC | 3σ | 0.57 |
| 0.61 |
|
|
|
|
|
|
| Maximum DC(peak) | 3σ | 1.40 |
| 2.18 |
|
|
|
|
|
|
*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.
10 | CONSTELLATION ES.3 SERIAL ATA PRODUCT MANUAL, REV. A |