Overview of Texas Instruments TL431ACLPE3

The Texas Instruments TL431ACLPE3 is a precision programmable reference that is versatile and widely used in various applications. This three-terminal adjustable shunt regulator offers excellent temperature stability and output current handling capability, making it a reliable choice for voltage regulation tasks.

Key Features

• Adjustable Output Voltage: The TL431ACLPE3 can be programmed from the standard Vref of 2.495V up to 36V with two external resistors. This flexibility allows designers to tailor the output voltage to specific requirements.
• Low Output Noise: It features a low output noise characteristic, which is crucial for sensitive electronic applications where noise can significantly affect performance.
• High Stability: With a typical temperature stability of only 50 ppm/°C, the device performs reliably over a wide temperature range, ensuring consistent operation under varying conditions.
• Low Dynamic Output Impedance: The dynamic output impedance of the TL431ACLPE3 is typically 0.22 ohms, which contributes to stable load regulation and response to load changes.
• Tolerance: Available with a tolerance of 2%, the device provides precise voltage regulation, which is essential for critical circuit designs.
• Current Capability: It can source or sink up to 100mA of output current, which makes it suitable for a wide array of applications from power supplies to battery chargers.

Applications

The TL431ACLPE3 is commonly used in a variety of applications, including but not limited to:

• Adjustable power supplies
• Switching power supplies
• Linear power supplies
• Battery chargers
• Voltage monitoring
• Automotive systems
• Portable electronics

Package and Quality

This component is offered in a TO-92 package, which is easy to handle and suitable for through-hole mounting, providing a robust solution for various PCB designs. The TL431ACLPE3 is also RoHS compliant, ensuring that it meets current environmental standards and regulations for electronic components.

Overall, the Texas Instruments TL431ACLPE3 is a highly reliable and versatile voltage reference that can be used in a multitude of electronic circuits where accurate voltage control is paramount.