MC33035 Motorola, MC33035 Datasheet - Page 5

• Manufacturer Part Number: MC33035
• Description: BRUSHLESS DC MOTOR CONTROLLER
• Manufacturer: Motorola

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
Figure 3. Error Amp Open Loop Gain and
V
V
V
R
C
T
Figure 1. Oscillator Frequency versus
A
CC
C
O
L
L
= 15 k
= 100 pF
= 25 C
= 20 V
= 3.0 V
Figure 5. Error Amp Small–Signal
= 20 V
10 k
Phase versus Frequency
R
Transient Response
T
10
, TIMING RESISTOR (k )
Timing Resistor
C
f, FREQUENCY (Hz)
T
= 10 nF
1.0 s/DIV
100 k
Phase
Gain
100
C
1.0 M
T
= 1.0 nF
A
No Load
T
A
V
V
V
T
A
CC
C
= +1.0
= 25 C
= 25 C
= 20 V
= 20 V
MC33035
1000
10 M
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
V
V
R
C
CC
C
T
T
= 20 V
= 4.7 k
= 10 nF
Figure 2. Oscillator Frequency Change
Figure 4. Error Amp Output Saturation
= 20 V
– 25
Figure 6. Error Amp Large–Signal
1.0
Voltage versus Load Current
Gnd
Source Saturation
(Load to Ground)
V
I
O
T
ref
, OUTPUT LOAD CURRENT (mA)
A
0
, AMBIENT TEMPERATURE ( C)
versus Temperature
Transient Response
2.0
25
5.0 s/DIV
Sink Saturation
50
(Load to V
3.0
75
ref
)
V
V
T
4.0
A
A
No Load
T
CC
C
V
A
= 25 C
= 20 V
100
= 25 C
= 20 V
= +1.0
5
125
5.0