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22 Cheetah 15K.7 FC Product Manual, Rev. C
Table 2: ST3600057FC DC power requirements
2 Gbit 4 Gbit
Notes (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] 0.39 0.81 0.42 0.81
Maximum starting current
(peak DC) DC 3σ [3] 0.67 1.93 0.70 1.92
(peak AC) AC 3σ [3] 1.02 3.73 1.00 3.61
Delayed motor start (max) DC 3σ [1] [4] 0.55 0.04 0.58 0.04
Peak operating current:
Typical DCX [1] [6] 0.48 1.18 0.51 1.17
Maximum DC 3σ [1] 0.50 1.19 0.53 1.19
Maximum (peak) DC 3σ 1.30 3.00 1.32 2.98
Table 3: ST3450857FC DC power requirements
2 Gbit 4 Gbit
Notes (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] 0.40 0.69 0.42 0.69
Maximum starting current
(peak DC) DC 3σ [3] 0.69 1.85 0.72 1.85
(peak AC) AC 3σ [3] 1.08 3.77 1.08 3.49
Delayed motor start (max) DC 3σ [1] [4] 0.58 0.04 0.61 0.04
Peak operating current:
Typical DCX
[1] [6] 0.49 1.04 0.53 1.03
Maximum DC 3σ [1] 0.53 1.07 0.57 1.07
Maximum (peak) DC 3σ 1.36 2.80 1.40 2.84