24
3.0
2.5
2.0
1.5
A
1.0
0.5
0.0
T1
T0
0.0
Figure 5.
Typical ST318437/ST318417 drive +12 V current profile
+5 Volt Current during spindle start – Typical Amperes
1.2
1.0
0.8
0.6
A
0.4
0.2
0.0
T1
T0
0.0
Figure 6.
Typical ST318437/ST318417 drive +5 V current profile
+12 Volt Current during spindle start – Typical Amperes
AC Envelope
Nominal (average) DC curve
T2
T4
T3
2
4
6
Seconds
AC Envelope
T2
T4
T3
2
4
6
Seconds
Barracuda 36ES Product Manual, Rev. H
T5
8
10
12
14
Nominal (average) DC curve
T5
8
10
12
14
16
16