MC33033_07 ONSEMI [ON Semiconductor], MC33033_07 Datasheet - Page 6

• Manufacturer Part Number: MC33033_07
• Description: Brushless DC Motor Controller
• Manufacturer: ONSEMI [ON Semiconductor]

− 8.0
3.05
2.95
−16
− 24
100
8.0
3.0
10
56
48
40
32
24
16
0
0
1.0 k
1.0
C
V
V
R
C
T
T
A
CC
O
L
L
Figure 4. Error Amp Open Loop Gain and
= 100 nF
= 15 k
= 25°C
= 100 pF
= 3.0 V
= 20 V
Figure 2. Oscillator Frequency versus
Figure 6. Error Amp Small−Signal
10 k
Phase versus Frequency
Transient Response
R
T
10
, TIMING RESISTOR (kΩ)
Timing Resistor
C
f, FREQUENCY (Hz)
T
= 10 nF
1.0 μs/DIV
100 k
Gain
100
C
1.0 M
T
= 1.0 nF
Phase
A
No Load
T
V
T
A
MC33033, NCV33033
A
V
CC
= 25°C
= 25°C
= +1.0
= 20 V
http://onsemi.com
1000
10M
40
60
80
100
120
140
160
180
200
220
240
6
− 2.0
− 4.0
− 0.8
4.0
2.0
−1.6
4.5
3.0
1.5
1.6
0.8
0
− 55
0
0
0
Figure 3. Oscillator Frequency Change
Figure 5. Error Amp Output Saturation
− 25
Figure 7. Error Amp Large−Signal
V
R
C
CC
T
T
1.0
Voltage versus Load Current
= 4.7 k
= 10 nF
Gnd
Source Saturation
(Load to Ground)
= 20 V
V
T
I
ref
O
A
0
, OUTPUT LOAD CURRENT (mA)
, AMBIENT TEMPERATURE (°C)
versus Temperature
Transient Response
2.0
25
5.0 μs/DIV
50
Sink Saturation
(Load to V
3.0
75
ref
)
V
T
4.0
A
CC
A
No Load
T
= 25°C
V
A
100
= 20 V
= +1.0
= 25°C
125
5.0