1.3 Power Requirements
C141-E202-01EN 1-7
(4) Current Requirements and Power Dissipation
Table 1.3 lists the current and power dissipation (typical).
Table 1.3 Current and power dissipation
Typical RMS Current
Typical Power (*3)
Spin up (*1)
0.9 A
4.5 W
Idle
130 mA
0.65 W
R/W (on track) (*2) Read 400 mA / Write 420mA
Read 2.0 W / Write 2.1 W
Seek (*5)
460 mA
2.3 W
Standby
50 mA
0.25 W
Sleep
20 mA
0.1 W
Energy
Efficiency (*4)
— 0.007
W/GB
(rank E)
*1
Maximum current at starting spindle motor.
*2
Current and power level when the operation (command) that accompanies a
transfer of 63 sectors is executed 3 times in 100 ms
*3
Power requirements reflect nominal values for +5 V power.
*4
Energy efficiency based on the Law concerning the Rational Use of Energy
indicates the value obtained by dividing power consumption by the storage
capacity. (Japan only)
*5
The seek average current is specified based on three operations per 100
msec.
Summary of Contents for MHU2100AT
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