TL431LIAIDBZR

The TL431LIAIDBZR is a precision voltage reference and adjustable shunt regulator manufactured by Texas Instruments. It is designed for applications requiring a stable reference voltage and is commonly used in power management, battery chargers, and voltage regulation circuits.

Key Features:

1. Adjustable Output Voltage: The TL431 allows for an adjustable output voltage ranging from 1.24V to 36V, making it versatile for various applications. The output voltage can be set using external resistors.

2. High Accuracy: The device boasts a high initial accuracy of ±1% at 25°C, ensuring reliable performance in precision applications.

3. Temperature Stability: The TL431 has a low temperature coefficient, which enhances its stability over a wide temperature range, typically from -40°C to +125°C.

4. Low Output Impedance: The output impedance is low, which helps maintain a stable output voltage even under varying load conditions.

5. Wide Supply Voltage Range: It operates over a wide supply voltage range, typically from 2.5V to 36V, allowing it to be used in various circuit configurations.

6. Fast Response Time: The device features a fast response time to changes in load or input voltage, making it suitable for dynamic applications.

7. Compact Package: The TL431LIAIDBZR is available in a small SOT-23 package, which is ideal for space-constrained designs.

8. Pin Configuration: The device typically has three pins: the reference pin (REF), the anode pin (A), and the cathode pin (K). The REF pin is used to set the output voltage, while the A and K pins are used for connecting to the load and power supply.

Applications:

• Power Supply Regulation: Used in switching power supplies and linear regulators to provide a stable reference voltage.
• Battery Management Systems: Helps in monitoring and regulating battery voltages.
• LED Drivers: Can be used in circuits that require precise control of LED brightness.
• Voltage Monitoring: Acts as a voltage supervisor in various electronic systems.

Electrical Characteristics:

• Supply Current: The typical supply current is low, which contributes to overall energy efficiency in designs.
• Dynamic Output Impedance: The output impedance is low, which is beneficial for maintaining voltage stability under load changes.

Conclusion:

The TL431LIAIDBZR from Texas Instruments is a highly versatile and reliable component for voltage regulation and reference applications. Its combination of adjustable output, high accuracy, and compact size makes it a popular choice among engineers for designing efficient and precise electronic circuits.