TL594 데이터 시트보기 (PDF) - Motorola => Freescale
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TL594 Datasheet PDF : 12 Pages
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R1
Vref
R2
TL594
Figure 15. Error–Amplifier Sensing Techniques
VO To Output
Voltage of
System
1
+
Error
Amp
3
–
2
Positive Output Voltage
VO = Vref
1+
R1
R2
1
+
3
Error
Amp
–
2
Negative Output Voltage
VO = Vref
R1
R2
Vref
R2
R1
VO
To Output
Voltage of
System
Figure 16. Deadtime Control Circuit
Output
Control
Output
Q
RT
6
Vref
R1
4
DT
CT
R2
5
30k
0.001
Figure 17. Soft–Start Circuit
Output
Q
Vref
CS
4
DT
RS
Max. % on Time, each output ≈ 45 –
80
1
+
R1
R2
Figure 18. Output Connections for Single–Ended and Push–Pull Configurations
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
1.0 mA to 250 mA
Push–Pull
C2
Q2 E2
1.0 mA to 250 mA
8
MOTOROLA ANALOG IC DEVICE DATA
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