Texas Instruments

TL431CD  

Voltage References

TL431CD Description

The TL431CD is a high-performance, adjustable shunt reference IC designed by Texas Instruments. It offers a wide range of output voltages from 2.495V to 36V, making it highly versatile for various power management applications. With a maximum output current of 100 mA, the TL431CD ensures stable and reliable performance. Its ±2.2% tolerance guarantees precise voltage regulation, while its operating temperature range of 0°C to 70°C ensures robustness in diverse environments. The TL431CD is packaged in a surface-mount 8SOIC format, making it ideal for compact and space-constrained designs. It is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards. The moisture sensitivity level (MSL) of 1 (unlimited) ensures that the device can be stored and handled without special precautions.

TL431CD Features

• Adjustable Output Voltage: The TL431CD provides an adjustable output voltage range from 2.495V to 36V, offering flexibility for a wide array of applications.
• High Output Current: Capable of delivering up to 100 mA, the TL431CD ensures robust power delivery.
• Precision Voltage Regulation: With a tolerance of ±2.2%, the TL431CD guarantees accurate and stable voltage regulation.
• Wide Operating Temperature Range: The device operates reliably within a temperature range of 0°C to 70°C, making it suitable for various environmental conditions.
• Surface-Mount Packaging: The 8SOIC surface-mount package is ideal for compact designs, saving space on the PCB.
• Compliance and Safety: The TL431CD is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.
• Moisture Sensitivity Level: MSL 1 (unlimited) allows for easy storage and handling without the need for special precautions.

TL431CD Applications

The TL431CD is ideal for a variety of power management applications due to its adjustable output voltage and high output current capabilities. It is particularly well-suited for:

• Power Supply Circuits: The adjustable voltage range and high output current make it an excellent choice for designing stable and efficient power supplies.
• Battery Management Systems: The TL431CD can be used to monitor and regulate battery voltage, ensuring optimal performance and longevity.
• Voltage Regulators: Its precision voltage regulation and wide operating range make it suitable for use in voltage regulator circuits.
• Overvoltage Protection: The device can be employed in overvoltage protection circuits to safeguard sensitive components from voltage spikes.
• LED Drivers: The TL431CD can be used to regulate the voltage supplied to LEDs, ensuring consistent brightness and longevity.

Conclusion of TL431CD

The TL431CD from Texas Instruments is a versatile and reliable shunt reference IC that offers adjustable output voltage, high output current, and precise voltage regulation. Its surface-mount packaging, wide operating temperature range, and compliance with environmental and safety standards make it an excellent choice for a variety of power management applications. Whether used in power supply circuits, battery management systems, or voltage regulators, the TL431CD ensures stable and efficient performance. Its unique features and advantages over similar models make it a standout choice for engineers and designers in the electronics industry.

TL431CD Documents

Download datasheets and manufacturer documentation for TL431CD

Datasheets :

TL431x, TL432x      

PCN Design/Specification :

Design 25/Feb/2022       TL431x/TL432x 13/Jul/2022