Current And Power Dissipation - Fujitsu MPA3017AT Product Manual

(3) Current Requirements and Power Dissipation
Table 1.3 lists the current and power dissipation.
Mode of
Operation
Model MPA
3017AT
Spin up
Idle (Ready) (*3) 0.120 A
R/W (On Track)
0.130 A
(*4)
Seek (Random)
0.370 A
(*5)
Standby
Sleep
*1 Current is typical rms except for spin up.
*2 Power requirements reflect nominal values for +12V and +5V power.
*3 Idle mode is in effect when the drive is not reading, writing, seeking, or executing any
commands.
*4 R/W mode is defined as 50% read operations and 50% write operations on a single physical
track.
*5 Seek mode is defined as continuous random seek operations with minimum controller delay.
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Table 1.3

Current and power dissipation

Typical RMS current (*1)
+12 V
MPA MPA
3026AT 3043AT
MPA MPA
3035AT 3052AT
1.3 A
1.5 A peak 0.6 A peak
0.155 A 0.185 A
0.160 A 0.190 A
0.380 A 0.425 A
0.01 A
0.01 A
C141-E034-02EN
Typical Power (*2)
+5 V
All Models MPA
3017AT
0.520 A
0.443 A 3.66 watts
0.620 A 4.66 watts
0.520 A 7.04 watts
0.400 A
0.350 A
MPA MPA
3026AT 3043AT
MPA MPA
3035AT 3052AT
18.2 watts
4.08 watts 4.44 watts
5.02 watts 5.38 watts
7.16 watts 7.70 watts
2.12 watts
1.87 watts