Seagate ST3300655LC Cheetah 15K.6 FC Product Manual - Page 30

Table 2, ST3450856FC, DC power requirements, Notes, Table 3, ST3450056FC DC power requirements

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Table 2: ST3450856FC DC power requirements Voltage Regulation Avg idle current DCX Maximum starting current (peak DC) DC (peak AC) AC Delayed motor start (max) DC Peak operating current: Typical DCX Maximum DC Maximum (peak) DC Notes [5] [1] [7] 3σ [3] 3σ [3] 3σ [1] [4] [1] [6] 3σ [1] 3σ 1 Gbit (Amps) +5V ±5% 0.49 0.72 1.02 0.55 0.53 0.54 1.10 (Amps) +12V [2] ±5% [2] 0.77 2 Gbit (Amps) +5V ±5% 0.51 4 Gbit (Amps) (Amps) +12V [2] +5V ±5% [2] ±5% 0.77 0.57 (Amps) +12V [2] ±5% [2] 0.77 1.89 0.69 1.89 0.81 1.89 4.19 0.83 4.23 1.13 4.21 0.04 0.58 0.04 0.64 0.04 1.20 0.55 1.20 0.62 1.20 1.22 0.56 1.22 0.63 1.22 2.64 1.14 2.66 1.22 2.62 Table 3: ST3450056FC DC power requirements Voltage Regulation Avg idle current DCX Maximum starting current (peak DC) DC (peak AC) AC Delayed motor start (max) DC Peak operating current: Typical DCX Maximum DC Maximum (peak) DC Notes [5] [1] [7] 3σ [3] 3σ [3] 3σ [1] [4] [1] [6] 3σ [1] 3σ 1 Gbit (Amps) +5V ±5% 0.59 0.66 1.05 0.64 0.61 0.62 1.22 2 Gbit (Amps) (Amps) +12V [2] +5V ±5% [2] ±5% 0.75 0.61 1.96 0.69 4.51 1.06 0.04 0.67 1.19 0.64 1.22 0.65 2.70 1.26 4 Gbit (Amps) (Amps) +12V [2] +5V ±5% [2] ±5% 0.75 0.66 1.96 1.00 4.44 1.27 0.04 0.73 1.19 0.70 1.22 0.71 2.66 1.32 (Amps) +12V [2] ±5% [2] 0.75 1.96 4.46 0.04 1.19 1.21 2.68 24 Cheetah 15K.6 FC Product Manual, Rev. D

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24
Cheetah 15K.6 FC Product Manual, Rev. D
Table 2:
ST3450856FC
DC power requirements
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]
0.49
0.77
0.51
0.77
0.57
0.77
Maximum starting current
(peak DC) DC
3
σ
[3]
0.72
1.89
0.69
1.89
0.81
1.89
(peak AC) AC
3
σ
[3]
1.02
4.19
0.83
4.23
1.13
4.21
Delayed motor start (max) DC
3
σ
[1] [4]
0.55
0.04
0.58
0.04
0.64
0.04
Peak operating current:
Typical DCX
[1] [6]
0.53
1.20
0.55
1.20
0.62
1.20
Maximum DC
3
σ
[1]
0.54
1.22
0.56
1.22
0.63
1.22
Maximum (peak) DC
3
σ
1.10
2.64
1.14
2.66
1.22
2.62
Table 3:
ST3450056FC DC power requirements
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]
0.59
0.75
0.61
0.75
0.66
0.75
Maximum starting current
(peak DC) DC
3
σ
[3]
0.66
1.96
0.69
1.96
1.00
1.96
(peak AC) AC
3
σ
[3]
1.05
4.51
1.06
4.44
1.27
4.46
Delayed motor start (max) DC
3
σ
[1] [4]
0.64
0.04
0.67
0.04
0.73
0.04
Peak operating current:
Typical DCX
[1] [6]
0.61
1.19
0.64
1.19
0.70
1.19
Maximum DC
3
σ
[1]
0.62
1.22
0.65
1.22
0.71
1.21
Maximum (peak) DC
3
σ
1.22
2.70
1.26
2.66
1.32
2.68