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| MC34060A Datasheet, PDF (9/16 Pages) ON Semiconductor – Fixed Frequency, PWM, Voltage Mode Single Ended Controllers | |||
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R1
Vref
R2
MC34060A, MC33060A
VO To Output
Voltage of
System
1
+
3
-
2
Error
Amp
1
+
3
-
Error
2
Amp
Positive Output Voltage
VO = Vref (1 +
R1
R2
)
Negative Output Voltage
VO = -Vref (1 +
R1
R2
)
Figure 15. Error Amplifier Sensing Techniques
Vref
R2
R1
To Output
Voltage of
VO System
Output
Vref
R1
Q
DT 4
RT
CT
6
5
R2
47k
0.001
Max % On Time â 92 -
160
1 + R1
R2
Figure 16. Deadtime Control Circuit
Output
Q
Vref
4
DT
+
R1 - CS
R2
Figure 17. SoftâStart Circuit
Vref
6
RT
5
Master
CT
RT
CT
Vref
6
RT
Slave
5
CT
(Additional
Circuits)
Figure 18. Slaving Two or More Control Circuits
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