Product Overview: TL431BQDCKRG4

The TL431BQDCKRG4 is a precision programmable reference from Texas Instruments, designed to offer a reliable solution for voltage regulation in a wide range of applications. This three-terminal adjustable shunt regulator features a guaranteed thermal stability over applicable temperature ranges, making it an ideal choice for use in power supplies, battery chargers, and voltage monitoring systems. The device's flexibility allows it to be used in numerous circuit configurations, including as a replacement for zener diodes in many applications requiring an improvement in zener performance.

Key Features

• Voltage Reference: The TL431BQDCKRG4 provides a precise voltage reference with a nominal voltage of 2.495 volts, which can be adjusted from Vref to 36 volts with two external resistors.
• Low Temperature Coefficient: This component is characterized by its low output voltage temperature coefficient, contributing to its high stability and reliability over varying temperatures.
• High Accuracy: The device offers a typical output impedance of 0.2 ohms, along with a 0.5% tolerance at 25°C for the B-grade version, ensuring accurate voltage regulation and stability.
• Low Operational Current: It operates with a typical current of 1mA to 100mA, making it suitable for low-power applications.
• Surface-Mount Package: The TL431BQDCKRG4 comes in a small outline SC-70 (SOT-323) surface-mount package, which is ideal for space-constrained applications.

Applications

The versatile nature of the TL431BQDCKRG4 allows it to be implemented in various applications including:

• Adjustable power supplies
• Switching power supplies
• Linear power supplies
• Battery-powered equipment
• Precision voltage regulation
• Automotive systems

With its combination of features, the TL431BQDCKRG4 from Texas Instruments stands out as a robust and precise component for designers looking to enhance the performance and reliability of their power management systems. Its industry-standard design ensures compatibility with a multitude of circuits, providing a trusted solution for engineers worldwide.