TL494CD データシートの表示（PDF） - ON Semiconductor
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TL494CD Datasheet PDF : 14 Pages
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TL494, NCV494
R1
Vref
R2
VO To Output
Voltage of
System
1
+
Error
Amp
3
−
2
Positive Output Voltage
VO = Vref
1+
R1
R2
1
+
Error
Amp
−
2
Negative Output Voltage
VO = Vref
R1
R2
Vref
R2
R1
VO
To Output
Voltage of
System
Figure 14. Error−Amplifier Sensing Techniques
Output
Control
Output
Q
RT
6
30k
Vref
R1
4
DT
CT
R2
5
0.001
Output
Q
Vref
CS
4
DT
RS
Max. % on Time, each output ≈ 45 −
80
1
+
R1
R2
Figure 15. Deadtime Control Circuit
Figure 16. Soft−Start Circuit
Output
Control
0 ≤ VOC ≤ 0.4 V
C1
Q1 E1
Single−Ended
C2
Q2
E2
QC
1.0 mA to
500 mA
QE
2.4 V ≤ VOC ≤ Vref
Output
Control
C1
Q1 E1
Push−Pull
C2
Q2 E2
1.0 mA to
250 mA
1.0 mA to
250 mA
Figure 17. Output Connections for Single−Ended and Push−Pull Configurations
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