Texas Instruments

TL431BIDR

The TL431BIDR is a precision programmable shunt regulator manufactured by Texas Instruments. It is a versatile device that can be used in a variety of applications, including voltage regulation, current limiting, and power management.

Description:

The TL431BIDR is a three-terminal device that operates as a shunt voltage regulator. It has a built-in 2.5V reference and a programmable output voltage that can be set by an external resistor network. The device also features a precision 1% tolerance on the reference voltage and output voltage.

Features:

• Precision 2.5V reference
• Programmable output voltage
• 1% tolerance on reference and output voltage
• Low ground current (1μA max)
• Thermal shutdown protection
• Short circuit protection
• Open loop protection

Applications:

The TL431BIDR can be used in a variety of applications, including:

1. Voltage regulation: The TL431BIDR can be used to regulate the output voltage of a power supply or to provide a stable reference voltage for other circuits.
2. Current limiting: By using the TL431BIDR in a feedback loop, it is possible to limit the current flowing through a load.
3. Power management: The TL431BIDR can be used to control the power supplied to a load, for example, by adjusting the output voltage in response to changes in load current.
4. Battery management: The TL431BIDR can be used to monitor and regulate the voltage and current of a battery, helping to extend its life and improve its performance.
5. LED driver: The TL431BIDR can be used to control the current flowing through an LED, allowing for precise brightness control.

Overall, the TL431BIDR is a versatile and precise device that can be used in a wide range of applications where voltage regulation and current limiting are required. Its low ground current and thermal shutdown protection make it a reliable choice for power management applications.