Seagate ST3300457FC Cheetah 15K.6 SAS Product Manual - Page 28

Table 13, DC power requirements, Table 14

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Table 13: ST3450056SS (FDE) DC power requirements Notes Voltage Regulation [5] Avg idle current DCX [1] [7] Maximum starting current (peak DC) DC 3σ [3] (peak AC) AC 3σ [3] Delayed motor start (max) DC 3σ [1] [4] Peak operating current: Typical DCX [1][6] [1] Maximum DC 3σ [1] Maximum (peak) DC 3σ ST3450056SS (FDE) 1.5 Gbit mode (Amps) (Amps) +5V +12V [2] ±5% ±5% [2] 0.45 0.77 0.67 1.96 0.97 4.57 0.60 0.04 0.57 1.21 0.62 1.23 1.14 2.70 Table 14: ST3300656SS DC power requirements Voltage Regulation Avg idle current DCX Maximum starting current (peak DC) DC 3σ (peak AC) AC 3σ Delayed motor start (max) DC 3σ Peak operating current: Notes [5] [1] [7] ST3300656SS 1.5 Gbit mode (Amps) (Amps) +5V +12V [2] ±5% ±5% [2] 0.51 0.64 [3] 0.73 1.76 [3] 0.91 4.08 [1] [4] 0.60 0.04 Typical DCX [1][6] 0.58 1.06 Maximum DC 3σ [1] 0.64 1.07 Maximum (peak) DC 3σ 1.14 2.48 ST3450056SS (FDE) 3 Gbit mode (Amps) (Amps) +5V +12V [2] ±5% ±5% [2] 0.48 0.77 0.74 1.96 0.84 4.40 0.63 0.04 0.59 1.21 0.64 1.24 1.16 2.72 ST3300656SS 3 Gbit mode (Amps) (Amps) +5V +12V [2] ±5% ±5% [2] 0.54 0.63 0.90 1.76 1.07 3.96 0.63 0.04 0.60 1.06 0.65 1.08 1.16 2.44 24 Cheetah 15K.6 SAS Product Manual, Rev. B

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24
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
3
σ
[3]
0.67
1.96
0.74
1.96
(peak AC) AC
3
σ
[3]
0.97
4.57
0.84
4.40
Delayed motor start (max) DC
3
σ
[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
3
σ
[1]
0.62
1.23
0.64
1.24
Maximum (peak) DC
3
σ
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
3
σ
[3]
0.73
1.76
0.90
1.76
(peak AC) AC
3
σ
[3]
0.91
4.08
1.07
3.96
Delayed motor start (max) DC
3
σ
[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
3
σ
[1]
0.64
1.07
0.65
1.08
Maximum (peak) DC
3
σ
1.14
2.48
1.16
2.44