TL431BQDR

The TL431BQDR is a precision programmable reference with a 2.5V, 1%, 100ppm/°C reference voltage. It is commonly used in feedback loops for controlling power supplies and as a shunt regulator in various applications.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• Reference: Reference voltage output
• Anode: Connect to the cathode of the controlled diode
• Cathode: Connect to the anode of the controlled diode
• Vref: Reference voltage input
• Ground: Ground connection

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the TL431BQDR for a visual representation.

Key Features

• Precision Programmable Reference: Offers a precise 2.5V reference voltage with high accuracy for voltage regulation applications.
• Wide Operating Voltage Range: Operates from a wide voltage range, providing flexibility in various electronic circuits.
• Low Temperature Drift: Features low temperature coefficient to maintain reference voltage stability across temperature variations.
• Adjustable Compensation: Allows for fine-tuning and compensation in feedback control systems.
• Low Output Impedance: Provides a low output impedance for improved load regulation.

Note: For detailed technical specifications, please refer to the TL431BQDR datasheet.

Application

• Voltage Regulation: Suitable for use in voltage regulator circuits to maintain stable output voltages.
• Feedback Loops: Commonly used as a reference in feedback control loops for power supplies and amplifiers.
• Shunt Regulator: Utilized as a shunt regulator to regulate voltage in various electronic systems.

Functionality

The TL431BQDR serves as a precision programmable reference with high stability and accuracy, making it ideal for voltage regulation and feedback control applications.

Usage Guide

• Reference Connection: Connect the reference pin to the controlled diode or the feedback loop for regulation purposes.
• Vref Adjustment: Adjust the Vref pin to set the desired reference voltage according to the application requirements.
• Ground Connection: Ensure a solid ground connection for proper operation of the TL431BQDR.

Frequently Asked Questions

Q: What is the purpose of the TL431BQDR in voltage regulation?
A: The TL431BQDR serves as a precision reference for maintaining stable output voltages in voltage regulation circuits.

Q: Is the TL431BQDR suitable for temperature-sensitive applications?
A: Yes, the TL431BQDR features low temperature drift, making it suitable for applications where temperature variations may affect voltage regulation.