Product Overview: Texas Instruments TL431BQDR

The TL431BQDR is a precision programmable reference from Texas Instruments, renowned for its stability and versatility across a wide range of applications. This three-terminal adjustable shunt regulator comes in an 8-pin SOIC package, offering a convenient surface-mount solution for your circuit designs.

With an output voltage range that can be set to any value between 2.495 V and 36 V with two external resistors, the TL431BQDR serves as an excellent choice for adjustable voltage references in a variety of electronic applications. This includes power supplies, battery chargers, and voltage monitoring systems, where precision voltage regulation is critical.

The device features a typical dynamic output impedance of 0.2 ohms, providing stable reverse current capability. Its low output noise and good temperature stability (with a typical temperature coefficient of only 50 ppm/°C) ensure reliable performance over a wide temperature range of -40°C to 85°C.

Key Features

• Voltage Range: Programmable output from 2.495 V to 36 V.
• Package Type: Available in an 8-pin SOIC package for easy integration.
• Temperature Stability: High stability over its operating temperature range.
• Low Output Noise: Suitable for noise-sensitive applications.
• Dynamic Output Impedance: 0.2 ohms typical, contributing to a stable output.
• Applications: Ideal for use in power supplies, battery management systems, and voltage monitoring circuits.

Applications

The TL431BQDR is a versatile component that can be used in various electronic systems. Its programmable voltage reference makes it ideal for power supply control, while its precision makes it suitable for voltage monitoring in battery management systems. Additionally, its low noise characteristics are beneficial in audio applications and precision electronics where a stable reference voltage is necessary.

For designers and engineers looking for a reliable voltage reference solution, the TL431BQDR from Texas Instruments presents a highly adaptable and precise component that enhances the performance and stability of a wide array of electronic products.