IBM DBCA-204860 - Travelstar 4.8 GB Hard Drive, Specifications

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5.2 DC Power Requirements
Connection to the product should be made in isolated secondary circuits (SELV). The voltage specifications
are applied at the power connector of the drive.
Figure 16. Power Requirement
Notes:
(*1) The maximum fixed disk ripple is measured at 5V input of the drive.
(*2) The disk drive shall not incur damage for an over voltage condition of + 2 5 % (maximum duration of
20 ms) on the 5-volt nominal supply.
(*3) The idle current is specified at an inner track.
(*4) The read/write current is specified based on three operations of 63 sector read/write per 100 msec.
(*5) The seek average current is specified based on three operations per 100 msec.
(*6) The typical current wave form at start up is shown in Figure 17 on page 20.
Item Requirements Notes
Nominal Supply + 5 Volt
Power Supply Ripple ( 0- 20Mhz) 100 mv p-p max *1
Tolerance + / - 5 % *2
Supply Current Pop.Mean
(Nominal Condition)
Low-power Idle Average
Active Idle Average
Performance Idle Average
Read average
Write average
Seek average
Standby
Sleep
Start up(maximum peak)
(average from power on to ready)
0.13 A R M S typical (0.65 W)
0.17 A R M S typical (0.85 W)
0.37 A R M S typical (1.85 W)
0.40 A R M S typical (2.0 W)
0.42 A R M S typical (2.1 W)
0.46 A R M S typical (2.3 W)
0.05 A R M S typical (0.25 W)
0.02 A R M S typical (0.1 W)
0.94 A R M S typical (4.7 W)
0.66 A R M S typical (3.3 W)
*3
*4
*5
*6
Supply Rise Time 7 - 100 ms
Specification
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