MC33067DW Ver la hoja de datos (PDF) - ON Semiconductor
Número de pieza
componentes Descripción
Fabricante
MC33067DW
ON Semiconductor
MC33067DW Datasheet PDF : 16 Pages
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MC34067, MC33067
500
COSC = 200 pF
400
COSC = 300 pF
300
COSC = 500 pF
200
100
0
0
VCC = 12 V
RVFO = ∞
RT = ∞
CT = 500 pF
TA = 25°C
Oscillator Discharge Time is Measured at the Drive Outputs.
20
40
60
80
100
tdischg, OSCILLATOR DISCHARGE TIME (ms)
Figure 2. Oscillator Timing Resistor
versus Discharge Time
3500
3000
2500
2000
1500
1000
500
0
0
VCC = 12 V
TA = 25°C
ROSC = 18.2 k
COSC = 300 pF
400
800
1200
1600
2000
IOSC, OSCILLATOR CONTROL CURRENT (mA)
Figure 3. Oscillator Frequency versus
Oscillator Control Current
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
0.5
1.0
1.5
2.0
2.5
3.0
IOSC, OSCILLATOR CONTROL CURRENT (mA)
Figure 4. Error Amp Output Low State Voltage
versus Oscillator Control Current
60
VCC = 12 V
COSC = 500 pF
30
ROSC = 100 k
TA = 25°C
20
CT = 300 pF
10
CT = 200 pF
CT = 500 pF
6.0
3.0
0.1
One−Shot Period is Measured
at the Drive Outputs.
0.3
0.6 1.0
3.0
tOS, ONE−SHOT PERIOD (ms)
6.0 10
Figure 5. One−Shot Timing Resistor
versus Period
50
50
VCC = 12 V
40
Gain
VO = 2.0 V
60
RL = 100 k
30
TA = 25°C
70
20
80
10
0
−10
− 20
10 k
Phase
Phase
Margin
= 64°
100 k
1.0M
f, FREQUENCY (Hz)
90
100
110
120
10M
Figure 6. Open Loop Voltage Gain and Phase
versus Frequency
0 *Vref = 5.0 V
− 10
− 20
*Vref = 5.1 V
− 30
− 40
VCC = 12 V
RL = ∞
*Vref at TA = 25°C
− 50
− 55
*Vref = 5.2 V
− 25
0
25
50
75
100 125
TA, AMBIENT TEMPERATURE (°C)
Figure 7. Reference Output Voltage Change
versus Temperature
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