Product Overview: Texas Instruments TL431BQLPM

The Texas Instruments TL431BQLPM is a precision programmable reference that is designed to offer a reliable solution for voltage regulation. This three-terminal adjustable shunt regulator offers excellent temperature stability and output current handling capability, making it a versatile component for a wide range of applications. Its output voltage can be set to any value between Vref (approximately 2.495 V) and 36 V with two external resistors.

Key Features

• Adjustable Output: The TL431BQLPM allows the user to program the output voltage over a broad range, from 2.495 V to 36 V, to meet the requirements of various circuits.
• Low Output Noise: With its low output noise, this device is suitable for applications where noise performance is critical, such as in audio and high-fidelity systems.
• High Stability: The TL431BQLPM offers high stability over a wide range of operating temperatures, ensuring consistent performance in different environmental conditions.
• Low Dynamic Output Impedance: Its low dynamic output impedance improves the regulation performance, making it ideal for power supply applications.
• Wide Operating Current Range: The device operates with a current range of 1 mA to 100 mA, providing flexibility in design for various current requirements.

Applications

The TL431BQLPM is suitable for a variety of applications, including:

• Adjustable power supplies
• Switching power supplies
• Battery chargers
• Voltage monitoring
• Precision current limiters
• Reference in precision applications

Quality and Reliability

As with all Texas Instruments products, the TL431BQLPM is manufactured to high standards of quality and reliability. It is available in a small outline transistor (SOT-89) package, which is ideal for space-constrained applications. The device also features a typical temperature coefficient of only 50 ppm/°C, which contributes to its precision performance across a wide range of temperatures.

Whether you're designing a new power supply or looking to improve an existing one, the TL431BQLPM from Texas Instruments provides an efficient and reliable solution for adjustable voltage regulation.