MC33033 Datasheet, PDF (6/24 Pages) ON Semiconductor – BRUSHLESS DC MOTOR CONTROLLER

MC33033
Figure 7. Reference Output Voltage Change
versus Output Source Current
0
– 4.0
– 8.0
– 12
– 16
– 20
– 24
0
VCC = 20 V
TA = 25°C
10
20
30
40
50
60
Iref, REFERENCE OUTPUT SOURCE CURRENT (mA)
Figure 8. Reference Output Voltage versus
Supply Voltage
7.0
6.0
5.0
4.0
3.0
2.0
No Load
1.0
TA = 25°C
00
10
20
30
40
VCC, SUPPLY VOLTAGE (V)
Figure 9. Reference Output Voltage
versus Temperature
40
20
0
– 20
– 40
– 55
VCC = 20 V
No Load
– 25
0
25
50
75 100 125
TA, AMBIENT TEMPERATURE (°C)
Figure 10. Output Duty Cycle versus
PWM Input Voltage
100
VCC = 20 V
80
RT = 4.7 k
CT = 10 nF
60
TA = 25°C
40
20
0
0
1.0
2.0
3.0
4.0
5.0
PWM INPUT VOLTAGE (V)
Figure 11. Bottom Drive Response Time versus
Current Sense Input Voltage
250
200
1 ^{VCC = 20 V}
RL =
CL = 1.0 nF
150
TA = 25°C
100
50
0
1.0
2.0
3.0 4.0 5.0 6.0 7.0 8.09.0 10
VSense, CURRENT SENSE INPUT VOLTAGE (NORMALIZED TO Vth)
Figure 12. Top Drive Output Saturation Voltage
versus Sink Current
1.2
VCC = 20 V
TA = 25°C
0.8
0.4
0
0
10
20
30
40
ISink, SINK CURRENT (mA)
6
MOTOROLA ANALOG IC DEVICE DATA