Seagate ST373455SSIM ユーザーズマニュアル
24
Cheetah 15K.5 SAS Product Manual, Rev. E
Gen 1.5 data. 0.15A DC and 0.2A AC 12V max start current margin added.
Gen 1.6 data. 0.15A DC and 0.2A AC 12V max start current margin added.
[1]
Measured with average reading DC ammeter or equivalent sampling scope. Instantaneous +12V current
peaks will exceed these values. Power supply at nominal voltage. N (number of drives tested) = 6, 35
peaks will exceed these values. Power supply at nominal voltage. N (number of drives tested) = 6, 35
Table 3:
ST3146855SS
DC power requirements
Notes
ST3146855SS
1.5 Gbit mode
ST3146855SS
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
0.76
0.56
0.75
0.56
Maximum starting current
(peak DC) DC
3
σ
0.86
1.97
0.86
1.97
(peak AC) AC
3
σ
1.17
3.40
1.15
3.34
Delayed motor start (max) DC
3
σ
0.67
0.03
0.70
0.03
Peak operating current:
Typical DCX
[1] 0.76
0.88
0.80
0.89
Maximum DC
3
σ
0.78
0.91
0.82
0.91
Maximum (peak) DC
3
σ
1.54
2.48
1.58
2.48
Table 4:
ST373455SS
DC power requirements
Notes
ST373455SS
1.5 Gbit mode
ST373455SS
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
0.76
0.43
0.94
0.43
Maximum starting current
(peak DC) DC
3
σ
0.81
1.90
0.80
1.90
(peak AC) AC
3
σ
1.27
3.18
1.30
3.22
Delayed motor start (max) DC
3
σ
0.62
0.03
0.64
0.03
Peak operating current:
Typical DCX
[1] 0.72
0.72
0.76
0.72
Maximum DC
3
σ
0.73
0.80
0.76
0.80
Maximum (peak) DC
3
σ
1.54
2.34
1.56
2.36