Seagate ST98823A Momentus 5400.2 PATA Product Manual - Page 15
Typical current profile, Conducted noise, Note., Voltage tolerance
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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% Momentus 5400.2 Product Manual, Rev. D 9
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Momentus 5400.2 Product Manual, Rev. D
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%