Hitachi HTS542525K9SA00 - Power Supply Current (Typical); Table 40: Power Supply Current of 80 GB and 160 GB Models

Deskstar 7K160 Hard Disk Drive Specification
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7.3.2 Power supply current (typical)
Table 40: Power supply current of 80GB and 160GB models
Except for a peak of less than 100 micro seconds.
1
Random R/W, Silent R/W: 40 ICPS / 16 Blocks Random Write and Random Read.
Power supply current of
80 GB – 160 GB PATA models
+5 Volts [mA] +12 Volts [mA]
(values in milliamps. RMS) Pop Mean Std Dev Pop Mean Std Dev
Total
[W]
Idle average 340 6 270 6
Idle ripple (peak-to-peak) 600
20
300
20
4.9
Low RPM Idle 160
6
140
6
Low RPM Idle Ripple 200
20
300
20
2.5
Unload Idle average 160
6
270
6
Unload Idle Ripple 200
20
270
20
4.0
Random R/W average
1
520
6
590
20
Random R/W peak 1400
30
1800
50
9.7
Silent R/W average 530 6 350 6
Silent R/W peak 1400
30
1000
30
6.9
Start up (max) 1100
20
1900
20
Standby average 150
4
15
2
0.9
Sleep average 110
4
15
2
0.7
Power supply current of
80 GB – 160 GB SATA models
+5 Volts [mA] +12 Volts [mA]
(values in milliamps. RMS) Pop Mean Std Dev Pop Mean Std Dev
Total
[W]
Idle average 540 6 270 6
Idle ripple (peak-to-peak)
600
20
300
20
5.9
Low RPM Idle 360
6
140
6
Low RPM Idle Ripple
200
20
300
20
3.5
Unload Idle average 360
6
270
6
Unload Idle Ripple
200
20
270
20
5.0
Random R/W average
1
720
6
590
20
Random R/W peak
1600
30
1800
50
10.7
Silent R/W average 730 6 350 6
Silent R/W peak
1600
30
1000
30
7.9
Start up (max) 1300
20
1900
20
Standby average 350
4
15
2
1.9
Sleep average 310
4
15
2
1.7