Texas Instruments

TL431ACPSR

TL431ACPSR Description

The TL431ACPSR is an adjustable shunt voltage reference IC designed by Texas Instruments. It provides a highly accurate and stable reference voltage with a tolerance of ±1%. This device is capable of delivering a maximum output current of 100 mA and operates within an output voltage range of 2.495V to 36V. The TL431ACPSR is housed in a surface-mount package, specifically in a Tape & Reel (TR) format, making it suitable for automated assembly processes. The operating temperature range is from 0°C to 70°C (TA), ensuring reliable performance in a variety of ambient conditions. Despite being marked as obsolete, the TL431ACPSR remains a popular choice for applications requiring precise voltage regulation due to its robust design and performance.

TL431ACPSR Features

• Adjustable Output Voltage: The TL431ACPSR offers an adjustable output voltage range from 2.495V to 36V, providing flexibility in various power management applications.
• High Output Current Capability: With a maximum output current of 100 mA, this IC can support a wide range of load requirements.
• Low Tolerance: The ±1% tolerance ensures high precision and stability in voltage regulation, making it ideal for applications where accuracy is critical.
• Surface-Mount Package: The surface-mount package type facilitates easy integration into modern PCB designs and supports automated manufacturing processes.
• Wide Operating Temperature Range: The operating temperature range of 0°C to 70°C (TA) ensures reliable performance across various environmental conditions.
• Shunt Reference Type: As a shunt reference, the TL431ACPSR provides a stable reference voltage by shunting excess current to ground, ensuring consistent performance.
• Compliance and Safety: The TL431ACPSR is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards.
• Moisture Sensitivity Level: With an MSL rating of 1 (Unlimited), the device is suitable for storage and handling in standard environments without additional moisture protection.

TL431ACPSR Applications

The TL431ACPSR is well-suited for a variety of power management applications due to its adjustable output voltage, high current capability, and precise tolerance. Some specific use cases include:

• Power Supply Circuits: Ideal for use in linear and switching power supplies where a stable reference voltage is required to maintain consistent output.
• Battery Management Systems: Provides a precise reference voltage for battery charging and monitoring circuits, ensuring accurate voltage regulation.
• Voltage Regulators: Used in voltage regulator circuits to maintain a stable output voltage, enhancing the reliability and performance of electronic systems.
• Precision Measurement Equipment: Suitable for applications requiring high-precision voltage references, such as in laboratory and industrial measurement equipment.
• Consumer Electronics: Can be integrated into consumer electronics for accurate voltage regulation, improving the overall performance and reliability of the device.

Conclusion of TL431ACPSR

The TL431ACPSR from Texas Instruments is a versatile and reliable adjustable shunt voltage reference IC. Its wide output voltage range, high output current capability, and precise tolerance make it an excellent choice for a variety of power management applications. Despite being marked as obsolete, the TL431ACPSR continues to be a preferred solution in industries requiring stable and accurate voltage regulation. Its compliance with environmental and safety standards, along with its surface-mount package, ensures ease of integration and manufacturing. Whether used in power supplies, battery management systems, or precision measurement equipment, the TL431ACPSR delivers consistent performance and reliability.