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Cheetah 15K.6 SAS Product Manual, Rev. B
Table 13: ST3450056SS (FDE) DC power requirements
Notes
ST3450056SS (FDE)
1.5 Gbit mode
ST3450056SS (FDE)
3 Gbit mode
(Amps) (Amps) (Amps) (Amps)
Voltage +5V +12V [2] +5V +12V [2]
Regulation [5] ±5% ±5% [2] ±5% ±5% [2]
Avg idle current DCX
[1] [7] 0.45 0.77 0.48 0.77
Maximum starting current
(peak DC) DC 3σ [3] 0.67 1.96 0.74 1.96
(peak AC) AC 3σ [3] 0.97 4.57 0.84 4.40
Delayed motor start (max) DC 3σ [1] [4] 0.60 0.04 0.63 0.04
Peak operating current:
Typical DCX
[1][6] [1] 0.57 1.21 0.59 1.21
Maximum DC 3σ [1] 0.62 1.23 0.64 1.24
Maximum (peak) DC 3σ 1.14 2.70 1.16 2.72
Table 14: ST3300656SS DC power requirements
Notes
ST3300656SS
1.5 Gbit mode
ST3300656SS
3 Gbit mode
(Amps) (Amps) (Amps) (Amps)
Voltage +5V +12V [2] +5V +12V [2]
Regulation [5] ±5% ±5% [2] ±5% ±5% [2]
Avg idle current DCX
[1] [7] 0.51 0.64 0.54 0.63
Maximum starting current
(peak DC) DC 3σ [3] 0.73 1.76 0.90 1.76
(peak AC) AC 3σ [3] 0.91 4.08 1.07 3.96
Delayed motor start (max) DC 3σ [1] [4] 0.60 0.04 0.63 0.04
Peak operating current:
Typical DCX
[1][6] 0.58 1.06 0.60 1.06
Maximum DC 3σ [1] 0.64 1.07 0.65 1.08
Maximum (peak) DC 3σ 1.14 2.48 1.16 2.44