ON Semiconductor TL431ILPRAG Adjustable Precision Shunt Regulator

The TL431ILPRAG is a versatile, three-terminal, adjustable precision shunt regulator designed by ON Semiconductor. This semiconductor device offers excellent stability and accuracy, making it a popular choice for a variety of applications that require voltage regulation. Its output voltage can be set to any value between Vref (approximately 2.495 V) and 36 V with two external resistors, providing designers with a high degree of flexibility.

Key Features

• Adjustable Output Voltage: The TL431ILPRAG can be programmed from Vref up to 36 V when used with two external resistors.
• Low Output Noise: This device is designed to maintain low noise levels, making it suitable for noise-sensitive applications.
• High Accuracy: It offers a 0.5% tolerance at 25°C and a 1% tolerance over the full operating temperature range, ensuring reliable performance.
• Low Dynamic Output Impedance: The 0.2 ohm typical output impedance enhances load regulation performance.
• Wide Operating Temperature Range: The device operates over a broad temperature range from -40°C to +105°C.
• Sink Current Capability: The TL431ILPRAG can sink currents up to 100 mA, accommodating heavier load conditions.

Applications

The versatile nature of the TL431ILPRAG allows it to be used in a wide array of applications. It is commonly employed in power supplies, battery chargers, voltage monitors, and as a replacement for zener diodes in many applications where an improvement in zener performance is desired.

Package and Quality

The TL431ILPRAG is available in a TO-92 package, which is suitable for through-hole mounting, providing ease of integration into various circuit designs. ON Semiconductor is known for its commitment to quality, and this product is no exception, ensuring reliability and performance consistency for your circuit requirements.

With its precision voltage regulation, low operational noise, and high stability, the TL431ILPRAG from ON Semiconductor is an excellent choice for designers looking to enhance their power management systems.