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MC33035DWG View Datasheet(PDF) - ON Semiconductor

Part NameDescriptionManufacturer
MC33035DWG Brushless DC Motor Controller ON-Semiconductor
ON Semiconductor ON-Semiconductor
MC33035DWG Datasheet PDF : 28 Pages
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MC33035, NCV33035
100
4.0
VCC = 20 V
VC = 20 V
TA = 25°C
VCC = 20 V
VC = 20 V
2.0
RT = 4.7 k
CT = 10 nF
10
0
CT = 100 nF
CT = 10 nF
CT = 1.0 nF
0
1.0
10
100
1000
RT, TIMING RESISTOR (kΩ)
Figure 1. Oscillator Frequency versus
Timing Resistor
− 2.0
− 4.0
− 55 − 25
0
25
50
75 100 125
TA, AMBIENT TEMPERATURE (°C)
Figure 2. Oscillator Frequency Change
versus Temperature
56
40
48
60
40
Phase
80
32
100
24
16
8.0
0
− 8.0
−16
− 24
1.0 k
VCC = 20 V
VC = 20 V
VO = 3.0 V
RL = 15 k
CL = 100 pF
TA = 25°C
10 k
Gain
100 k
1.0 M
f, FREQUENCY (Hz)
120
140
160
180
200
220
240
10 M
Figure 3. Error Amp Open Loop Gain and
Phase versus Frequency
0
Vref
− 0.8
Source Saturation
(Load to Ground)
−1.6
VCC = 20 V
VC = 20 V
TA = 25°C
1.6
0.8
Gnd
Sink Saturation
(Load to Vref)
0
0
1.0
2.0
3.0
4.0
5.0
IO, OUTPUT LOAD CURRENT (mA)
Figure 4. Error Amp Output Saturation
Voltage versus Load Current
AV = +1.0
3.05
No Load
TA = 25°C
3.0
2.95
1.0 μs/DIV
Figure 5. Error Amp Small−Signal
Transient Response
AV = +1.0
4.5
No Load
TA = 25°C
3.0
1.5
5.0 μs/DIV
Figure 6. Error Amp Large−Signal
Transient Response
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