Texas Instruments

TL431IDR

The Texas Instruments TL431IDR is a precision programmable shunt regulator that is commonly used in a variety of applications, including power supplies, battery chargers, and LED drivers.

Description:

The TL431IDR is a three-terminal device that provides a highly accurate reference voltage and current. It features a precision 2.5V reference voltage, an adjustable shunt voltage, and a programmable output current. The device is available in a compact SOT-23 package, making it suitable for use in a wide range of applications.

Features:

• Precision 2.5V reference voltage
• Adjustable shunt voltage
• Programmable output current
• High accuracy and stability
• Low dropout voltage
• Wide input voltage range
• Short circuit protection
• Thermal overload protection
• SOT-23 package

Applications:

The TL431IDR is commonly used in a variety of applications, including:

1. Power supplies: The TL431IDR can be used to regulate the output voltage of power supplies, providing a stable and accurate voltage for sensitive loads.
2. Battery chargers: The device can be used to control the charging voltage and current of batteries, ensuring safe and efficient charging.
3. LED drivers: The TL431IDR can be used to regulate the current through LED arrays, providing consistent brightness and extending the life of the LEDs.
4. Motor controllers: The device can be used to control the speed and direction of motors, providing precise control and protection against overload.
5. Voltage monitoring: The TL431IDR can be used to monitor the voltage of batteries and other power sources, providing an accurate and reliable indication of the system's status.

Overall, the Texas Instruments TL431IDR is a versatile and reliable device that is well-suited for a wide range of applications requiring precision voltage and current regulation. Its small size and high accuracy make it a popular choice for use in power supplies, battery chargers, and other electronic systems.