Description
TL431 family Adjustable precision shunt regulators Rev.7 * 30 April 2024 Product data sheet 1.General .
Three-terminal shunt regulator family with an output voltage range between Vref = 2.
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
Applications
* Shunt regulator
* Precision current limiter
* Precision constant current sink
* Isolated feedback loop for Switch Mode Power Supply (SMPS)
4. Quick reference data
Table 2. Quick reference data Symbol Parameter
Conditions
VKA
cathode-anode voltage
IK
cathode c