The NXP TL431AMFDT is a three-terminal adjustable shunt regulator with a guaranteed thermal stability over applicable temperature ranges. This versatile device acts as a precision voltage reference and a regulator, capable of sourcing up to 100mA. It is a highly reliable component, commonly used in power supplies and numerous other applications where voltage calibration is necessary.
The output voltage of the TL431AMFDT can be set to any value between Vref (approximately 2.5V) and 36V with two external resistors. These resistors allow the user to set the output voltage to match the specific requirements of their application. The device features a typical dynamic output impedance of 0.2 ohms, providing stable reverse voltage throughout operations.
The TL431AMFDT operates over a wide current range from 1mA to 100mA with a typical temperature coefficient of only 50 ppm/°C, ensuring a consistent performance across varying temperatures. This precision shunt regulator is designed in a SOT-23 package, which is ideal for space-constrained applications.
With a typical output voltage tolerance of ±1%, the TL431AMFDT ensures high accuracy in voltage regulation, making it an excellent choice for precision applications. The device's low output noise and stable operation make it suitable for high-end and sensitive electronic systems.
Safety and reliability are paramount in the design of the TL431AMFDT. It features overcurrent protection and thermal protection, ensuring the device operates within safe conditions at all times. This makes it a trusted component in the design of power supplies, battery chargers, and voltage monitoring systems.
In summary, the NXP TL431AMFDT is a highly precise, adjustable shunt regulator that offers excellent thermal stability, low dynamic output impedance, and a broad operating current range. Its versatility and reliability make it an essential component for engineers who require an accurate and stable voltage reference in their electronic designs.
