Cheetah 15K.5 FC Product Manual, Rev. F
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This section provides information relating to the physical and electrical characteristics of the drive.
6.1 AC power requirements
None.
6.2 DC power requirements
The voltage and current requirements for a single drive are shown below. Values indicated apply at the drive
connector. Notes are shown following table 4.
Table 2: DC power requirements for ST3300655FC model
1 Gbit 2 Gbit 4 Gbit
Notes (Amps) (Amps) (Amps) (Amps) (Amps) (Amps)
Voltage +5V +12V [2] +5V +12V [2] +5V +12V [2]
Regulation [5] ±5% ±5% [2] ±5% ±5% [2] ±5% ±5% [2]
Avg idle current DCX[1] [7] 0.76 0.76 0.83 0.81 0.86 0.75
Maximum starting current
(peak DC) DC 3σ[3] 0.80 1.94 0.84 1.94 0.89 1.94
(peak AC) AC 3σ[3] 1.22 3.41 1.30 3.48 1.34 3.44
Delayed motor start (max) DC 3σ[1] [4 ] 0.45 0.03 0.49 0.03 0.53 0.03
Peak operating current:
Typical DCX[1] [6] 0.69 1.13 0.72 1.12 0.78 1.16
Maximum DC 3σ[1] 0.69 1.17 0.73 1.17 0.79 1.21
Maximum (peak) DC 3σ1.48 3.08 1.56 3.04 1.60 3.04