Texas Instruments

TL431BQDCKR

The TL431BQDCKR is a precision programmable shunt regulator manufactured by Texas Instruments. It is a three-terminal adjustable shunt regulator that provides excellent load regulation and transient response. The device is available in a compact SC-70 package. Features of the TL431BQDCKR include: 1. Adjustable Output Voltage: The output voltage of the TL431BQDCKR can be programmed using an external resistor network, allowing for a wide range of output voltages. 2. High-Precision Reference: The TL431BQDCKR features a precision 2.5V reference, which ensures accurate and stable output voltage regulation. 3. Low Dropout Voltage: The device has a low dropout voltage of 1.25V, which allows it to operate efficiently even under low input voltage conditions. 4. Thermal Protection: The TL431BQDCKR includes thermal protection to prevent damage in the event of an overload or short circuit. 5. Small Package: The device is available in a compact SC-70 package, which makes it suitable for use in space-constrained applications. Applications for the TL431BQDCKR include: 1. Voltage Regulation: The TL431BQDCKR can be used to provide stable and precise voltage regulation in a variety of applications, including power supplies, battery chargers, and voltage references. 2. Current Limiting: The device can be used to limit the current in a circuit, protecting sensitive components from damage due to overcurrent conditions. 3. Battery Management: The TL431BQDCKR can be used in battery management systems to regulate the charging voltage and current, extending the life of the battery and improving overall system performance. 4. LED Dimming: The device can be used to control the brightness of LED lighting systems, providing precise and efficient dimming control. Overall, the TL431BQDCKR is a versatile and reliable shunt regulator that offers excellent performance in a wide range of applications. Its precision, stability, and thermal protection make it an ideal choice for demanding applications where accuracy and reliability are critical.