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Barracuda 180 Product Manual, Rev. A 23
Figure 4. Typical Barracuda 180 SCSI SE mode +5 V current profile
Figure 5. Typical Barracuda 180 SCSI LVD mode +5 V current profile
0.0 4 8 12 16 20 24 28 32
0.5
1.0
1.5
2.0
A
Seconds
T1 T2 T4T0 T3 T5
AC Component
Nominal (average) DC curve
+5 Volt Current during spindle start (single ended) – Typical Amperes
0.0 4 8 12 16 20 24 28 32
0.5
1.0
1.5
2.0
A
Seconds
T2T1T0 T3 T4 T5
AC Component
Nominal (average) DC curve
+5 Volt Current during spindle start (LVD) – Typical Amperes