Computer Drive User Manual

Pulsar Product Manual, Rev. A 11
Table 4: 50GB DC power requirements
Paramete r
Regu latio n +/‐5%
Voltage +5V
Current(A) Power(W)
Average Idl e Curre n tDCx 0.13 0.65
StandbyDCx 0.11 0.55
Average Sl eepCurrentDCx 0.09 0.45
MaximumStartCurre n t:
DC(PeakDC)3σ 0.83
AC(Pe akAC)3σ 1.59
DelayedMotorStart(DCmax ) 3σ 0.11 0.55
PeakOpe ratingCurren t(randomread):
TypicalDCDCx 0.16 0.80
MaximumDC3σ 0.18 0.90
MaximumDC(peak)3σ 0.
67
PeakOpe ratingCurren t(randomwrite):
TypicalDCDCx 0.25 1.25
MaximumDC3σ 0.28 1.40
MaximumDC(peak)3σ 0.98
Peakoperatingcurrent(se que ntialread):
TypicalDCDCx 0.23 1.15
MaximumDC3σ 0.25 1.25
MaximumDC(peak)3σ 0.74
Peakoperatingcurrent(se que ntialwrite):
TypicalDCDCx 0.37 1.85
MaximumDC3σ 0.40 2.00
MaximumDC(peak)3σ 0.90
50Gb(3
.0GB)
*During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, which may increase power to oper-
ational levels.