TL431/TL431A
Typical Application
VO
=
1
+
R-R----12-
Vref
VO
=
Vr
ef
1
+
R-R----12-
MC7805/LM7805
VO = 1 + R-R----12- Vref
TL431/A
Figure 10. Shunt Regulator
TL431/A
TL431/A
Figure 11. Output Control for Three- Figure 12. High Current Shunt Regula-
Termianl Fixed Regulator
tor
TL431/A
Figure 13. Current Limit or Current Source
TL431/A
Figure 14. Constant-Current Sink
6