Toshiba MK4006GAH User Manual Page 17

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Toshiba Corporation Digital Media Network Company
Page 17 of 153
© 2003, Copyright TOSHIBA Corporation All Rights Reserved
7. POWER REQUIREMENTS
7.1 Supply Voltage
Allowable voltage 3.3V + 5%
Allowable noise/ripple 70 mV p-p or less
(note 1) When DC power is interrupted,+3.3V voltage drop must be greater than or equal 0V.
7.2 Power Consumption
Average(note 1)
MK3006GALMK6006GAHMK4006GAH
Start 1.2 W Maximum
Seek (note 2) 1.1 W Typical
Read / Write(note 3) 1.1 W Typical
Active idle (note 4 ) 0.4 W Typical
Low power idle (note 5) 0.3 W Typical
Stand- by (note 6) 0.12 W Typical
Sleep 0.07 W Typical
(note 1) Under normal condition ( 25
o
C, 101.3 kPa ( 1,013 mb ) ) and 3.3V +
0%.
(note 2) The seek average current is specified based on three operations per 100 ms.
(note 3) The read/write current is specified based on three operations of 63 sector read/write per 100 ms.
(note 4) Motor is rotating at normal speed but none of Read, Write or Seek is executed.
(note 5) Motor is rotating at normal speed but heads are unloaded on the ramp.
(note 6) Motor is not rotating and heads are unloaded on the ramp.
7.3 Energy Consumption Efficiency
Energy consumption efficiency (W/GB) Classification
Power consumption at Low power idle / Capacity
MK3006GAL
0.010
D
MK4006GAH 0.0075 E
MK6006GAH 0.005 E
Energy consumption efficiency is calculated in accordance with the law regarding efficiency of energy
consumption
:Energy saving law,1979 law number 49.
Calculation of Energy consumption is dividing consumed energy by the capacity.
The consumed energy and capacity shall be measured and specified by the Energy saving low.
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