TL431ACDBZR regulators equivalent, adjustable precision shunt regulators.
* Programmable output voltage up to 36 V
* Three different reference voltage tolerances:
*
* Standard grade: 2 %
* A-Grade: 1 %
* B-Grade: 0.5 % <.
* Shunt regulator
* Precision current limiter
* Precision constant current sink
* Isolated feedback loop.
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 .
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