The TL431ACZ-AP from STMicroelectronics is a versatile, precision programmable voltage reference with shunt regulator topology. It is a three-terminal adjustable shunt regulator with specified thermal stability over applicable automotive, commercial, and military temperature ranges. The output voltage can be set to any value between Vref (approximately 2.5 volts) and 36 volts with two external resistors. This device exhibits a wide operating current range of 1 mA to 100 mA with a typical dynamic impedance of 0.22 Ω.

Key Features

• Adjustable Output Voltage: Can be set from 2.5V to 36V with the use of two external resistors.
• High Precision: Offers tight voltage regulation, ensuring a stable reference or regulated output under different conditions.
• Low Operational Current: Has a wide operating current range suitable for various applications.
• Low Dynamic Output Impedance: The dynamic impedance of the output is typically 0.22 Ω, providing stable output voltage despite load variations.
• Temperature Compensated: The device is temperature compensated, which allows it to maintain voltage precision across a wide temperature range.

Applications

The TL431ACZ-AP is ideal for use in a plethora of applications, including but not limited to:

• Power supplies
• Battery chargers
• Voltage monitoring
• Adjustable voltage or current regulation
• Switching power supplies

Reliability and Performance

STMicroelectronics is known for its commitment to providing high-quality and reliable components. The TL431ACZ-AP is no exception, offering exceptional performance for precision voltage regulation needs. This makes it a trusted choice for engineers and designers looking for a reliable reference voltage source for their electronic designs.

Package Information

The TL431ACZ-AP comes in a TO-92 package, which is suitable for through-hole mounting, making it easy to integrate into a variety of circuit boards.