Seagate Elite 9, Руководство по эксплуатации продукта

Страница: 35 / 82

Elite 9 Product Manual, Rev. C 25
7.0 Physical and electrical specifications
This section provides information relating to the physical and electrical
characteristics of Elite 9 drives.
7.1 AC power requirements
None.
7.2 DC power requirements
The voltage and current requirements for a single drive are shown in
Tables 1 and 2 (table notes follow Table 2). Values indicated apply at the
drive’s power connector.
Table 1. DC power requirements for ST410800N/ND drives
Single ended Differential
5V
[8]
12V 5V
[8]
12V
Voltage regulation
[5]
Notes
±±±±±
5%
±±±±±
5%
[2]
±±±±±
5%
±±±±±
5%
[2]
Amps
Max operating current DC 3
σ
[1] 0.95 1.85 1.4 1.85
Avg idle current DC X [1] [12] 0.665 1.57 0.71 1.57
Max start current
(peak) DC 3
σ
[3] [6] 0.98 4.8 1.0 4.8
(peak) AC 3
σ
[3] – 5.12 – 5.12
Delay motor start (max) DC 3
σ
[1] [4] 0.98 0.25 1.0 0.25
Peak operating current
Typical DC X [1] [10] 0.93 1.69 1.32 1.69
Maximum DC 3
σ
[1] 0.95 1.85 1.4 1.85
Maximum (peak) AC 3
σ
1.19 2.89 1.58 2.89
Track following at
OD DC X [1] 0.94 1.6 0.99 1.6
ID DC X [1] 0.92 1.9 0.98 1.9
Read track
OD DC 3
σ
[1] [14] 0.96 1.8 1.45 1.8
AC 3
σ
1.37 1.9 1.64 1.9
Seeking
Typical DC X [1] [13] 0.95 1.95 0.99 1.95
Maximum DC 3
σ
[1] 0.99 2.1 1.02 2.1
Maximum (peak) AC 3
σ
1.15 2.85 1.49 2.85