High current shunt regulator, shunt voltage regulator, shunt regulator circuit - tatanh1983/conchodom GitHub Wiki

LM431SC Series 2.495 V ±0.5% Triple Terminal Programmable Shunt Regulator-SOT-23

https://www.futureelectronics.com/p/semiconductors--analog--regulators-reference--shunt-regulator/lm431sccm3x-onsemi-7027578