MC33033 Motorola, MC33033 Datasheet - Page 6

• Manufacturer Part Number: MC33033
• Description: BRUSHLESS DC MOTOR CONTROLLER
• Manufacturer: Motorola

6
– 4.0
– 8.0
– 20
– 40
– 12
– 16
– 20
– 24
250
200
150
100
40
20
50
– 55
0
0
0
1.0
V Sense , CURRENT SENSE INPUT VOLTAGE (NORMALIZED TO V th )
0
Figure 11. Bottom Drive Response Time versus
Figure 7. Reference Output Voltage Change
I ref , REFERENCE OUTPUT SOURCE CURRENT (mA)
– 25
Figure 9. Reference Output Voltage
V CC = 20 V
T A = 25 C
10
versus Output Source Current
Current Sense Input Voltage
T A , AMBIENT TEMPERATURE ( C)
0
2.0
versus Temperature
20
25
3.0
30
50
4.0
40
5.0
75
V CC = 20 V
C L = 1.0 nF
R L =
T A = 25 C
6.0
V CC = 20 V
No Load
50
7.0 8.0
100
1
9.0
MC33033
60
125
10
100
7.0
6.0
5.0
4.0
3.0
2.0
1.0
1.2
0.8
0.4
80
60
40
20
0
0
0
0
0
0
Figure 12. Top Drive Output Saturation Voltage
Figure 8. Reference Output Voltage versus
Figure 10. Output Duty Cycle versus
V CC = 20 V
T A = 25 C
V CC = 20 V
C T = 10 nF
R T = 4.7 k
T A = 25 C
1.0
MOTOROLA ANALOG IC DEVICE DATA
10
10
V CC , SUPPLY VOLTAGE (V)
versus Sink Current
I Sink , SINK CURRENT (mA)
PWM INPUT VOLTAGE (V)
PWM Input Voltage
Supply Voltage
2.0
20
20
3.0
30
30
No Load
T A = 25 C
4.0
5.0
40
40