Seagate ST500UM000 Product Manual page 11

Table 4 DC Power Requirements
P D
OWER ISSIPATION
Spinup (max)
Seek average
Write average
Read average
(1)
Idle, performance
Idle, active
Idle, low power mode
(2)
Standby
Sleep
1. 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. Standby power is measured at steady state (after 200ms from transition)
2.7.1.1 Typical current profiles
The typical 5V startup and operation current profile is shown in
Figure 1 Typical 5V Startup and Operation Current Profile
S L T SSHD P
EAGATE APTOP HIN
+5V
INPUT AVERAGE
M , R . B
RODUCT ANUAL EV
(25° C)
<1.20A
2.5W
3.5W
2.9W
1.5W
1.0W
0.9W
0.53W
0.53W
Figure 1.
D S
RIVE PECIFICATIONS
7