The TL431CPSRG4 from Texas Instruments is a highly versatile three-terminal adjustable shunt regulator with specified thermal stability over applicable automotive, commercial, and military temperature ranges. This precision regulator is commonly found in power supplies and can be used as a reliable reference voltage in various applications.

Key Features

• Voltage Reference: The TL431CPSRG4 has a reference voltage range from 2.495 V to 36 V with 0.5% (A grade) initial accuracy.
• Low Output Noise: This component provides a low output noise characteristic, making it suitable for precision electronics where a stable voltage reference is critical.
• Adjustable Output: Users can set the output voltage with two external resistors, offering flexibility for different design requirements.
• High Stability: It features a typical temperature stability of ±0.002% per degree Celsius, ensuring reliable performance across a wide temperature range.
• Low Dynamic Output Impedance: A low dynamic output impedance of 0.22 ohms enhances load regulation and reduces voltage fluctuation.

Applications

The TL431CPSRG4 is ideal for use in a variety of applications, including:

• Adjustable power supplies
• Battery chargers
• Voltage monitors
• Switching power supplies
• Linear regulators
• Automotive systems
• Computer systems

Package and Quality

The TL431CPSRG4 comes in a TO-92 plastic package, which is suitable for through-hole mounting and is widely used for its reliability and ease of handling. The device is also available in various other package options to cater to surface-mount technology (SMT) requirements. As part of Texas Instruments' commitment to quality, the TL431CPSRG4 is manufactured under stringent quality control standards, ensuring high reliability and performance for critical applications.