Seagate ST3500312CS Instrukcja Użytkownika Pobierz pdf (Strona 21)

Pipeline HD.2 Series SATA Product Manual, Rev. E 13

2.8.1.1 Typical current profiles

Figure 1. Typical 12V startup and operation current profile

2.8.2 Conducted noise

Input noise ripple is measured at the host system power

supply across an equivalent 80-ohm resistive load on

the 12V line or an equivalent 15-ohm resistive load on the 5V line.

• Using 12V power, the drive is expected to operate with

a maximum of 120mV peak-to-peak square-wave

injected noise at up to 10MHz.

• Using 5V power, the drive is expected to operate with a maximum of 1

00mV peak-to-peak square-wave

injected noise at up to 10MHz.

Note. Equ

ivalent resistance is calculated by dividing the nominal voltage by the typical RMS read/write

current.

2.8.3 Voltage tolerance

Voltage tolerance (including noise):

•5V ± 5%

• 12V ± 10%

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Seagate ST3500312CS Instrukcja Użytkownika Strona 21