Conducted Noise; Voltage Tolerance; Figure 1. Typical +5V Only Startup And Operation Current Profile - Seagate Momentus ST9120411AS Product Manual

Seagate momentus 7200.3 sata drives product manual
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2.9.1.1
Typical current profile

Figure 1. Typical +5V only 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%
Momentus 7200.3 SATA Product Manual, Rev. B
9

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