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1 typical current profile, 2 conducted noise, 3 voltage tolerance – Seagate MOMENTUS ST94813AB User Manual

Page 15: Conducted noise, Voltage tolerance, Figure 2, Typical 5v startup and operation current profile

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Momentus 5400.2 Blade Server Product Manual, Rev. B

9

2.9.1.1

Typical current profile

Figure 2. Typical 5V startup and operation current profile

2.9.2

Conducted noise

Input noise ripple is measured at the host system power supply across an equivalent 15-ohm resistive load on
the +5 volt line.

Using 5-volt power, the drive is expected to operate with a maximum of 100 mV peak-to-peak square-wave
injected noise at up to 10 MHz.

Note. Equivalent resistance is calculated by dividing the nominal voltage by the typical RMS read/write current.

2.9.3

Voltage tolerance

Voltage tolerance (including noise):

5V ± 5%

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