MC33363 데이터 시트보기 (PDF) - ON Semiconductor
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MC33363 Datasheet PDF : 14 Pages
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1.80 V
1.75 V
MC33363
VCC = 20 V
AV = −1.0
CL = 10 pF
TA = 25°C
3.00 V
1.75 V
VCC = 20 V
AV = −1.0
CL = 10 pF
TA = 25°C
1.70 V
1.0 ms/DIV
Figure 7. Error Amplifier Small Signal
Transient Response
0.50 V
1.0 ms/DIV
Figure 8. Error Amplifier Large Signal
Transient Response
0
VCC = 20 V
RT = 10 k
− 20
CPIN 8 = 1.0 mF
TA = 25°C
− 40
− 60
− 80
0
4.0
8.0
12
16
20
Ireg, REGULATOR SOURCE CURRENT (mA)
Figure 9. Regulator Output Voltage
Change versus Source Current
20
VPin 1 = 400 V
TA = 25°C
10
Pulse tested with an on−time of 20 ms to 300 ms
at < 1.0% duty cycle. The on−time is adjusted at
Pin 1 for a maximum peak current out of Pin 3.
0
0
2.0
4.0
6.0 8.0
10
12 14
VCC, POWER SUPPLY VOLTAGE (V)
Figure 10. Peak Startup Current
versus Power Supply Voltage
32
ID = 200 mA
24
16
8.0
0
−50 −25
Pulse tested at 5.0 ms with < 1.0% duty cycle
so that TJ is as close to TA as possible.
0 25 50 75 100 125 150
TA, AMBIENT TEMPERATURE (°C)
Figure 11. Power Switch Drain−Source
On−Resistance versus Temperature
160
VCC = 20 V
TA = 25°C
120
80
40
COSS measured at 1.0 MHz with 50 mVpp.
0
1.0
10
100
1000
VDS, DRAIN−SOURCE VOLTAGE (V)
Figure 12. Power Switch
Drain−Source Capacitance versus Voltage
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5
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