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Seagate ST9200011FS Computer Drive User Manual

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Pulsar Product Manual, Rev. A 11

Table 4: 50GB DC power requirements

Parameter

Regu lati o n +/‐5%

Voltage +5V

Current(A) Power(W)

Average Idle Curre n tDCx 0.13 0.65

StandbyDCx 0.11 0.55

Average Sle epCurrentDCx 0.09 0.45

MaximumStartCurren t:

DC(PeakDC)3σ 0.83

AC(PeakAC)3σ 1.59

DelayedMotorStart(DCmax) 3σ 0.11 0.55

PeakOperating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Operating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operati ng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operati ng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.

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