TL431 Datasheet (nexperia) - Adjustable precision shunt regulators

TL431, Adjustable precision shunt regulators

Three-terminal shunt regulator family with an output voltage range between Vref = 2.495 V and 36 V, to be set by two external resistors.

Table 1.

Product overview Reference voltage Temperature range (Tamb) tolerance (Vref) 0 °C to 70 °C -40 °C to 85 °C 2.0 % TL431CDBZR TL431IDBZR 1.0 % TL

TL431 Features

* Programmable output voltage up to 36 V

* Three different reference voltage tolerances:

* Standard grade: 2 %

* A-Grade: 1 %

* B-Grade: 0.5 %

* Typical temperature drift: 9 mV (in a range of 0 °C up to 70 °C)

* Low output noise