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2.6.2 Typical current profile
Figure 1 Typical Current Profile (5V & 12V)
2.6.3 Conducted noise
Input noise ripple is measured at the host system power supply across an equivalent 80-ohm resistive load on the +12 volt
line or an equivalent 15-ohm resistive load on the +5 volt line.
• Using 12-volt power, the drive is expected to operate with a maximum of 120 mV peak-to-peak square-wave injected
noise at up to 10MHz.
• 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 10MHz.
Equivalent resistance is calculated by dividing the nominal voltage by the typical RMS read/write current.
Note
2.6.4 Voltage tolerance
Voltage tolerance (including noise):
• 5V ±5%
• 12V ±10%
Seagate IronWolf Product Manual, Rev. E
Drive Specifications
15
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