MC33033 Motorola, MC33033 Datasheet - Page 5
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MC33033
Manufacturer Part Number
MC33033
Description
BRUSHLESS DC MOTOR CONTROLLER
Manufacturer
Motorola
Datasheet
1.MC33033.pdf
(24 pages)
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MOTOROLA ANALOG IC DEVICE DATA
– 8.0
3.05
2.95
– 24
100
–16
8.0
3.0
10
56
48
40
32
24
16
0
0
1.0 k
1.0
C T = 100 nF
C L = 100 pF
V CC = 20 V
V O = 3.0 V
R L = 15 k
T A = 25 C
Figure 3. Error Amp Open Loop Gain and
Figure 1. Oscillator Frequency versus
Figure 5. Error Amp Small–Signal
10 k
Phase versus Frequency
R T , TIMING RESISTOR (k )
Transient Response
10
Timing Resistor
C T = 10 nF
f, FREQUENCY (Hz)
1.0 s/DIV
100 k
Gain
100
C T = 1.0 nF
1.0 M
Phase
A V = +1.0
V CC = 20 V
No Load
T A = 25 C
T A = 25 C
1000
10M
MC33033
40
60
80
100
120
140
160
180
200
220
240
– 2.0
– 4.0
– 0.8
–1.6
4.0
2.0
4.5
3.0
1.5
1.6
0.8
– 55
0
0
0
0
Figure 2. Oscillator Frequency Change
Figure 4. Error Amp Output Saturation
– 25
Figure 6. Error Amp Large–Signal
V CC = 20 V
R T = 4.7 k
C T = 10 nF
1.0
Voltage versus Load Current
Source Saturation
Gnd
(Load to Ground)
V ref
I O , OUTPUT LOAD CURRENT (mA)
T A , AMBIENT TEMPERATURE ( C)
0
versus Temperature
Transient Response
2.0
25
5.0 s/DIV
Sink Saturation
50
(Load to V ref )
3.0
75
V CC = 20 V
T A = 25 C
4.0
A V = +1.0
No Load
T A = 25 C
100
5
125
5.0