Figure 5. Typical 3.3V Startup And Operation Current Profile - Seagate ST1.2 - Series 8 GB Removable Hard Drive Product Manual

Table 2: DC power
ST1 Power Consumption (W)
Max current the average of the
peak value in 10ms window
Current
Spinup
Load/Unload current
Write
Read
Seek
Performance idle
Low power idle
Standby/Sleep
*During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, which may increase acoustic and
power to operational levels.
2.7.1.1 Typical current profile
Figure 5. Typical 3.3V startup and operation current profile
8
Average Max
3.3V 3.3V
(mA) (mA)
350
300
300
330 350
330 350
226 300
200
90
30
Average Max
5.0V 5.0V
(mA) (mA)
350
300
300
330 350
340 350
226 300
205
92
33
ST1.2 Series Product Manual, Rev. B