7.0Physical/electrical specifications
This section provides information relating to the physical and electrical characteristics of the Cheetah 15K.5 SCSI drive.
7.1AC power requirements
None.
7.2DC power requirements
The voltage and current requirements for a single drive are shown in the following table. Values indicated apply at the drive power connector. The tables show current values in Amperes.
Table 3: | ST3300655LC DC power requirements |
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| Notes |
| LVD mode | |
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Voltage |
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| +5 V |
| +12 V |
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Regulation |
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| [5] | ±5% |
| ±5%[2] |
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Average idle current DC | X | [1][6] | 0.70 |
| 0.80 | ||
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Maximum starting current |
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(peak DC) DC | 3σ | [3] | 0.76 |
| 1.94 | ||
(peak AC) AC | 3σ | [3] | 1.07 |
| 3.35 | ||
Delayed motor start (max) DC | 3σ | [1][4] | 0.57 |
| 0.03 | ||
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Peak operating current |
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DC |
| X |
| [1] | 0.69 |
| 1.18 |
Maximum DC | 3σ | [1] | 0.70 |
| 1.23 | ||
Maximum (peak) DC | 3σ |
| 1.38 |
| 2.90 | ||
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22 | Cheetah 15K.5 SCSI Product Manual, Rev. J |