ON Semiconductor TL431AILPRMG Voltage Reference

The ON Semiconductor TL431AILPRMG is a three-terminal adjustable shunt regulator with specified thermal stability over a full operation range. This precision voltage reference is designed for use in a wide variety of applications, including power supplies, battery chargers, and voltage monitoring. Its output voltage can be set to any value between Vref (approximately 2.495 volts) and 36 volts with two external resistors.

Key Features

• Adjustable Output: The TL431AILPRMG offers an output voltage range that is adjustable from 2.495 V to 36 V, ensuring versatility in various applications.
• High Stability: With a guaranteed thermal stability, the device performs consistently across a full range of operating temperatures.
• Low Output Noise: It is designed to have low output noise, which is crucial for sensitive electronic applications.
• Low Dynamic Output Impedance: The dynamic output impedance of the TL431AILPRMG is typically 0.22 Ω, contributing to stable load regulation.
• Surface-Mount Package: The device comes in a surface-mount package, making it suitable for automated assembly processes and compact electronic designs.

Applications

The TL431AILPRMG is suitable for a variety of applications, including:

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

Technical Specifications

Some of the key technical specifications of the TL431AILPRMG include:

• Reference Voltage: 2.495 V typical
• Operating Temperature Range: -40°C to +85°C
• Package: TO-92
• Standard Deviation of Reference Voltage: 0.5% at 25°C
• Knee Current: 1 mA typical

The ON Semiconductor TL431AILPRMG is a reliable and versatile adjustable shunt regulator that offers excellent performance for a wide range of voltage regulation needs. With its high stability and low noise characteristics, it is an ideal choice for designers looking for a precision voltage reference solution.