Here is the English description of the TL431BIDR2G chip:
The TL431BIDR2G is a precision programmable shunt regulator from Texas Instruments.
Key Features:
Common Applications:
Benefits include an accurate and customizable voltage reference while achieving efficiency. The small package size is well-suited for integration into space-constrained designs.
Well-suited as a programmable reference voltage source where external set-point control is required over a wide temperature range.
In summary, the TL431BIDR2G provides a stable and adjustable 2.5V reference that can be customized to suit various precision applications.