1.3 Power Requirements
(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) | 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 |
| 0.006 W/GB (rank E / MHV2100BH) |
Efficiency (*4) |
| 0.008 W/GB (rank E / MHV2080BH) |
| — | |
| 0.010 W/GB (rank E / MHV2060BH) | |
|
| |
|
| 0.015 W/GB (rank D / MHV2040BH) |
|
|
|
*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.
