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2.5.1.1
Typical current profiles
Figure 1.
Typical 5V and 12V startup and operation current profiles
2.5.2
Conducted noise
Noise is specified as a periodic and random distribution of frequencies covering a band from DC to 10 MHz. Maximum allowed noise values given
below are peak-to-peak measurements and apply at the drive power connector.
+5v
=
250 mV pp from 100 Hz to 20 MHz.
+12v
=
800 mV pp from 100 Hz to 8 KHz.
450 mV pp from 8 KHz to 20 KHz.
250 mV pp from 20 KHz to 5 MHz.
2.5.3
Voltage tolerance
Voltage tolerance (including noise):
5V ± 5%
12V ± 10%
Seagate Enterprise Capacity 3.5 HDD v7 SATA Product Manual, Rev. C
11
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