Seagate ST3300457FC Cheetah 15K.7 FC Product Manual - Page 28

Table 2, ST3600057FC, DC power requirements, Notes, Table 3, ST3450857FC DC power requirements

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Table 2: ST3600057FC 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 2 Gbit (Amps) +5V ±5% 0.39 4 Gbit (Amps) (Amps) +12V [2] +5V ±5% [2] ±5% 0.81 0.42 (Amps) +12V [2] ±5% [2] 0.81 0.67 1.93 0.70 1.92 1.02 3.73 1.00 3.61 0.55 0.04 0.58 0.04 0.48 1.18 0.51 1.17 0.50 1.19 0.53 1.19 1.30 3.00 1.32 2.98 Table 3: ST3450857FC 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 2 Gbit (Amps) +5V ±5% 0.40 0.69 1.08 0.58 0.49 0.53 1.36 (Amps) +12V [2] ±5% [2] 0.69 4 Gbit (Amps) +5V ±5% 0.42 1.85 0.72 3.77 1.08 0.04 0.61 1.04 0.53 1.07 0.57 2.80 1.40 (Amps) +12V [2] ±5% [2] 0.69 1.85 3.49 0.04 1.03 1.07 2.84 22 Cheetah 15K.7 FC Product Manual, Rev. C

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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
3
σ
[3]
0.67
1.93
0.70
1.92
(peak AC) AC
3
σ
[3]
1.02
3.73
1.00
3.61
Delayed motor start (max) DC
3
σ
[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
3
σ
[1]
0.50
1.19
0.53
1.19
Maximum (peak) DC
3
σ
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
3
σ
[3]
0.69
1.85
0.72
1.85
(peak AC) AC
3
σ
[3]
1.08
3.77
1.08
3.49
Delayed motor start (max) DC
3
σ
[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
3
σ
[1]
0.53
1.07
0.57
1.07
Maximum (peak) DC
3
σ
1.36
2.80
1.40
2.84