Texas Instruments

TL431BCPSR

TL431BCPSR Description

The TL431BCPSR is a precision shunt voltage reference IC designed by Texas Instruments. This device offers a highly stable and adjustable output voltage with a tolerance of ±0.5%, making it suitable for a wide range of precision applications. The TL431BCPSR features an adjustable output voltage range from 2.495V to 36V, allowing for flexibility in various circuit designs. It supports a maximum output current of 100 mA and a cathode current of up to 600 µA, ensuring robust performance in different operating conditions.

The TL431BCPSR is housed in a surface-mount package, specifically in a Tape & Reel (TR) format, which facilitates easy integration into modern PCB assemblies. This component operates within a temperature range of 0°C to 70°C (TA), making it suitable for general industrial and consumer applications. Despite its obsolescence status, the TL431BCPSR remains a reliable choice due to its compliance with REACH and ROHS3 standards, ensuring environmental safety and regulatory adherence.

TL431BCPSR Features

• Adjustable Output Voltage: The TL431BCPSR provides a wide adjustable output voltage range from 2.495V to 36V, offering flexibility in various circuit designs.
• High Precision: With a tolerance of ±0.5%, this IC ensures high accuracy and stability in voltage reference applications.
• High Output Current Capability: The device supports a maximum output current of 100 mA, making it suitable for applications requiring higher current loads.
• Surface-Mount Package: The surface-mount package format (Tape & Reel) facilitates easy integration into modern PCB assemblies, enhancing manufacturing efficiency.
• Environmental Compliance: The TL431BCPSR is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and regulatory standards.
• Wide Operating Temperature Range: The device operates reliably within a temperature range of 0°C to 70°C (TA), making it suitable for general industrial and consumer applications.
• Low Cathode Current: The maximum cathode current of 600 µA ensures efficient power consumption and minimal heat dissipation.

TL431BCPSR Applications

The TL431BCPSR is ideal for a variety of applications that require a stable and precise voltage reference. Some specific use cases include:

• Power Supplies: The adjustable output voltage and high current capability make it suitable for precision voltage regulation in power supply designs.
• Battery Management Systems: The TL431BCPSR can be used to provide a stable reference voltage for battery charging and monitoring circuits.
• Analog-to-Digital Converters (ADCs): The high precision and stability of the TL431BCPSR make it an excellent reference voltage source for ADCs, ensuring accurate conversions.
• Operational Amplifiers: The device can serve as a reference voltage for operational amplifier circuits, enhancing the accuracy of signal processing.
• Consumer Electronics: The wide operating temperature range and surface-mount package make it suitable for various consumer electronic devices.

Conclusion of TL431BCPSR

The TL431BCPSR is a versatile and reliable shunt voltage reference IC from Texas Instruments. Its adjustable output voltage, high precision, and high output current capability make it suitable for a wide range of applications. Despite its obsolescence status, the TL431BCPSR remains a valuable component due to its environmental compliance and robust performance. For applications requiring a stable and precise voltage reference, the TL431BCPSR is an excellent choice, offering unique features and advantages over similar models.