onsemi

TL431ILPRA

TL431ILPRA Description

The TL431ILPRA is a precision shunt voltage reference IC designed for a wide range of applications requiring accurate voltage regulation. Manufactured by onsemi, this component features an adjustable output voltage ranging from 2.495V to 36V, making it highly versatile for various electronic circuits. With a maximum output current of 100 mA, the TL431ILPRA is capable of delivering stable voltage levels even under varying load conditions. Its temperature coefficient of 50ppm/°C typical ensures minimal drift over a wide temperature range, enhancing the reliability and accuracy of the voltage reference.

The TL431ILPRA is housed in a TO92-3 package, which is suitable for through-hole mounting, providing robust mechanical stability and ease of integration into printed circuit boards. The device has a tolerance of ±2.2%, ensuring precise voltage regulation. Additionally, it features a cathode current of 1 mA, which is ideal for applications requiring low power consumption. The moisture sensitivity level (MSL) of 1 (Unlimited) indicates that the component is not sensitive to moisture, making it suitable for a variety of environmental conditions.

TL431ILPRA Features

• Adjustable Output Voltage: The TL431ILPRA offers an adjustable output voltage range from 2.495V to 36V, providing flexibility for different circuit requirements.
• High Output Current: Capable of delivering up to 100 mA, this IC can support a wide range of load conditions while maintaining stable voltage output.
• Low Temperature Coefficient: With a typical temperature coefficient of 50ppm/°C, the TL431ILPRA ensures minimal voltage drift over varying temperatures, enhancing the accuracy and reliability of the reference voltage.
• Low Tolerance: The ±2.2% tolerance guarantees precise voltage regulation, making it suitable for applications requiring high accuracy.
• Low Power Consumption: The cathode current of 1 mA allows for low power consumption, making the TL431ILPRA ideal for battery-operated and energy-efficient designs.
• Robust Packaging: The TO92-3 through-hole package provides mechanical stability and ease of integration into PCBs.
• Moisture Resistance: The MSL 1 (Unlimited) rating ensures that the component is not sensitive to moisture, making it suitable for various environmental conditions.

TL431ILPRA Applications

The TL431ILPRA is ideal for a variety of applications where precise voltage regulation is required. Some specific use cases include:

• Power Supplies: The adjustable output voltage and high output current make it suitable for use in linear and switching power supplies, ensuring stable voltage levels for critical components.
• Battery Chargers: The low power consumption and adjustable voltage range make it ideal for battery charging circuits, providing accurate voltage regulation to ensure proper charging and protection of the battery.
• Instrumentation: The high accuracy and low temperature coefficient make it suitable for precision instruments where stable voltage references are crucial for accurate measurements.
• Consumer Electronics: The robust packaging and moisture resistance make it suitable for consumer electronics where reliability and durability are important.

Conclusion of TL431ILPRA

The TL431ILPRA is a versatile and reliable shunt voltage reference IC that offers a wide range of technical specifications and performance benefits. Its adjustable output voltage, high output current, low temperature coefficient, and low tolerance make it suitable for a variety of applications requiring precise voltage regulation. Despite being marked as obsolete, the TL431ILPRA remains a valuable component for designers seeking a reliable and accurate voltage reference. Its robust packaging and moisture resistance further enhance its suitability for a wide range of electronic applications.