STMicroelectronics TL431ID

The STMicroelectronics TL431ID is a programmable shunt voltage reference integrated circuit that can operate over a wide temperature range. It features a 2.5V reference voltage and can function as a temperature-stable voltage reference or adjustable voltage regulator. The TL431ID is commonly used in applications requiring precision voltage regulation and monitoring. Functions The primary function of the TL431ID is to provide a stable voltage reference. It compares the input voltage with a precise reference voltage and adjusts its own resistance to maintain a constant output voltage level. Applications The TL431ID is widely used in various applications, including switch mode power supplies, voltage regulation, battery charging circuits, LED drivers, and precision voltage monitoring. Alternative Parts Some alternative parts to the TL431ID include the TL431A, TL432, and LM4040. Embedded Modules The TL431ID is often found as an embedded module within voltage regulation and monitoring systems. Q&A: 1. Q: What is the typical operating temperature range of STMicroelectronics TL431ID? A: The TL431ID can typically operate over a temperature range of -40°C to 125°C. 2. Q: Can the TL431ID be used as a voltage regulator in automotive applications? A: Yes, the TL431ID is suitable for voltage regulation in automotive systems due to its wide temperature range and precision. 3. Q: What are the main advantages of using the TL431ID in switch mode power supplies? A: The TL431ID offers precise voltage regulation, low temperature drift, and high stability, making it well-suited for switch mode power supply applications.