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1.3 Power Requirements
C141-E262 1-9
(5) 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) 1.0 A 5.0 W
Idle (*6) 120 mA 0.60 W
R/W (on track) (*2) 380 mA 1.9 W
Seek (*5) 420 mA 2.1 W
Standby (*6) 26 mA 0.13 W
Sleep (*6) 26 mA 0.13 W
Energy
Efficiency (*4)
⎯
e rank (0.0024 W/GB): MHY2250BH
e rank (0.0030 W/GB): MHY2200BH
e rank (0.0038 W/GB): MHY2160BH
d rank (0.0050 W/GB): MHY2120BH
d rank (0.0060 W/GB): MHY2100BH
d rank (0.0075 W/GB): MHY2080BH
d rank (0.0100 W/GB): MHY2060BH
d rank (0.0150 W/GB): MHY2040BH
*1 Maximum current and power 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 typical 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.
*6 IPM mode: Slumber mode.