MC33365(2006) 데이터 시트보기 (PDF) - ON Semiconductor
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MC33365 Datasheet PDF : 11 Pages
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MC33365
0.8
VCC = 20 V
TA = 25°C
0.5
0.3
0.2
0.15
0.1
0.08
7.0
10
15 20
30
50
70
RT, TIMING RESISTOR (kΩ)
Figure 4. Oscillator Charge/Discharge
Current versus Timing Resistor
70
RD/RT Ratio
Discharge Resistor
Pin 6 to Gnd
60
VCC = 20 V
CT = 2.0 nF
TA = 25°C
50
40
RC/RT Ratio
Charge Resistor
Pin 6 to Vreg
30
1.0
2.0
3.0
5.0 7.0
10
TIMING RESISTOR RATIO
Figure 5. Maximum Output Duty Cycle
versus Timing Resistor Ratio
100
80
Gain
60
Phase
40
0
VCC = 20 V
VO = 1.0 to 4.0 V
RL = 5.0 MΩ
30
CL = 2.0 pF
TA = 25°C
60
90
20
120
0
150
−20
10
180
100
1.0 k 10 k 100 k 1.0 M 10 M
f, FREQUENCY (Hz)
Figure 6. Error Amp Open Loop Gain and
Phase versus Frequency
0
−1.0
Source Saturation
Vref
(Load to Ground)
− 2.0
2.0
1.0
Sink Saturation
(Load to Vref)
VCC = 20 V
TA = 25°C
Gnd
0
0
0.2
0.4
0.6
0.8
1.0
IO, OUTPUT LOAD CURRENT (mA)
Figure 7. Error Amp Output Saturation
Voltage versus Load Current
1.80 V
1.75 V
VCC = 20 V
AV = −1.0
CL = 10 pF
TA = 25°C
1.70 V
1.0 μs/DIV
Figure 8. Error Amplifier Small Signal
Transient Response
3.00 V
1.75 V
VCC = 20 V
AV = −1.0
CL = 10 pF
TA = 25°C
0.50 V
1.0 μs/DIV
Figure 9. Error Amplifier Large Signal
Transient Response
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