STMicroelectronics TL431CZ-AP Precision Programmable Reference

The TL431CZ-AP from STMicroelectronics is a versatile and precision programmable voltage reference device, designed to fulfill a wide range of applications, including power supplies, battery chargers, and voltage monitoring. Its flexibility and accuracy make it a popular choice among engineers and designers for ensuring stable and reliable operation in their circuits.

This three-terminal adjustable shunt regulator features a 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 low output noise voltage, making it suitable for precision applications.

Key Features:

• Adjustable Output Voltage: The TL431CZ-AP offers an output voltage range from 2.5 V to 36 V, which can be set using external resistors.
• High Stability: With a guaranteed stability over a wide temperature range, this component is reliable for use in various environments and applications.
• Low Operational Current: It features a low operational current (I<sub>K) ranging from 1 mA to 100 mA, which is suitable for low power consumption requirements.
• Low Dynamic Output Impedance: Its low dynamic output impedance ensures better load regulation, which is crucial for maintaining consistent performance.
• Fast Turn-on Response: The device is characterized by a fast turn-on response, which is essential for applications where quick power-up sequences are required.

The TL431CZ-AP is available in a TO-92 package, which is widely used and preferred for through-hole mounting solutions. This package makes it easy to integrate into a variety of circuit boards and is particularly suited for applications where space is not a major constraint.

Whether you're designing a power supply, managing battery charging, or need a reliable voltage reference in your circuit, the TL431CZ-AP from STMicroelectronics offers the performance and flexibility to meet your needs. With its ease of use and robust design, it is an essential component for achieving precise voltage regulation in a multitude of electronic applications.