Table 5 1TB Drive DC power requirements
|
| Notes | 6.0Gb mode | ||
|
|
|
|
| |
Voltage |
| +5V |
| +12V | |
|
|
|
|
| |
Regulation |
|
| ± 5% | ||
|
|
|
| ||
Avg Idle Current * |
| 0.30 |
| 0.53 | |
|
|
|
|
|
|
Advanced Idle Current * |
|
|
|
| |
| Idle_A |
| 0.17 |
| 0.30 |
|
|
|
|
|
|
| Idle_B |
| 0.16 |
| 0.27 |
|
|
|
|
|
|
| Idle_C |
| 0.16 |
| 0.18 |
|
|
|
|
|
|
| Standby |
| 0.15 |
| 0.01 |
|
|
|
|
|
|
Maximum Start Current |
|
|
|
| |
| DC (peak DC) | 3σ | 0.60 |
| 2.12 |
|
|
|
|
|
|
| AC (Peak DC) | 3σ | 1.57 |
| 2.89 |
|
|
|
|
|
|
Delayed Motor Start (DC max) | 3σ | 0.16 |
| 0.01 | |
|
|
|
|
|
|
Peak operating current (random read): |
|
|
|
| |
| Typical DC |
| 0.32 |
| 0.54 |
|
|
|
|
|
|
| Maximum DC | 3σ | 0.34 |
| 0.57 |
|
|
|
|
|
|
| Maximum DC(peak) | 3σ | 1.23 |
| 2.10 |
|
|
|
|
|
|
Peak operating current (random write) |
|
|
|
| |
| Typical DC |
| 0.32 |
| 0.55 |
|
|
|
|
|
|
| Maximum DC | 3σ | 0.33 |
| 0.56 |
|
|
|
|
|
|
| Maximum DC(peak) | 3σ | 0.69 |
| 2.08 |
|
|
|
|
|
|
Peak operating current (sequential read) |
|
|
|
| |
| Typical DC |
| 0.63 |
| 0.33 |
|
|
|
|
|
|
| Maximum DC | 3σ | 0.67 |
| 0.34 |
|
|
|
|
|
|
| Maximum DC(peak) | 3σ | 0.92 |
| 1.90 |
|
|
|
|
|
|
Peak operating current (sequential write) |
|
|
|
| |
| Typical DC |
| 0.56 |
| 0.38 |
|
|
|
|
|
|
| Maximum DC | 3σ | 0.58 |
| 0.38 |
|
|
|
|
|
|
| Maximum DC(peak) | 3σ | 0.92 |
| 1.70 |
|
|
|
|
|
|
*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.
12 | CONSTELLATION ES.3 SERIAL ATA PRODUCT MANUAL, REV. A |