TL431Z_16 Datasheet, PDF (7/13 Pages) IK Semicon Co., Ltd – Programmable Precision Reference

Figure 20. Output Control for a
Three–Terminal Fixed Regulator
TL431Z
Figure 21. Series Pass Regulator
Figure 22. Constant Current Source
Figure 23. Constant Current Sink
Figure 24. TRIAC Crowbar
Figure 25. SRC Crowbar
2011, January, rev. 03