Shunt Regulator
The LM4041 is a highly precise, two-terminal shunt mode, bandgap voltage reference that is perfect for applications where space is at a premium. Its reverse breakdown voltage is fixed at 1.225V.
LM431 - Adjustable Precision Zener Shunt Regulator
LM431 is a regulator IC featured with adjustable output voltage. It is a 3-terminal shunt regulator with guaranteed temperature stability over the entire temperature range of operation.