Seemingly Simple Circuits: The TL431 Voltage Regulator, Part 1 http://www.planetanalog.com/author.asp?section_id=3049&doc_id=564300
STE{A}M+[Power Electronics]
Seemingly Simple Circuits: The TL431 Voltage Regulator, Part 1 http://www.planetanalog.com/author.asp?section_id=3049&doc_id=564300