MC33023(2009) 데이터 시트보기 (PDF) - ON Semiconductor
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MC33023 Datasheet PDF : 18 Pages
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MC34023, MC33023
Vref
RDT
4
5
6
RT
CT
Oscillator
5.0 V
0V
RT
4
5
6
CT
Oscillator
Additional dead time can be added by the addition of a dead time
resistor from Vref to CT. See text on Oscillator section for more
information.
Figure 27. Dead Time Addition
The sync pulse fed into the clock pin must be at least 3.9 V. RT and CT
need to be set 10% slower than the sync frequency. This circuit is also
used in Voltage Mode operation for master/slave operation. The clock
signal would be coming from the master which is set at the desired
operating frequency, while the slave is set 10% slower.
Figure 28. External Clock Synchronization
Master
Oscillator
4
4
5
Vref 5
6
6
CT
RT
Slave
Oscillator
Figure 29. Current Mode Master/Slave Operation Over Short Distances
Reference
Master
Oscillator
16
20
MMBT3906
1.0 k
4
4.7 k
NC
4
2200
5
430
6
CT
RT
MMBD0914 1.15 RT 5
6
MMBT3904
CT
Slave
Oscillator
Figure 30. Synchronization Over Long Distances
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