STMicroelectronics

TL431ACZ

TL431ACZ Description

The TL431ACZ is a high-performance, adjustable shunt reference IC designed for precision voltage regulation in a wide range of power management applications. Manufactured by STMicroelectronics, this device is part of the Power Management (PMIC) category and is housed in a Through Hole TO92-3 package. The TL431ACZ offers an adjustable output voltage range from 2.495V to 36V, with a tolerance of ±1%, ensuring precise voltage regulation. It can handle a maximum output current of 100 mA, making it suitable for various low-power applications. The device features a cathode current of 600 µA and operates within a temperature range of 0°C to 70°C (TA). With a Moisture Sensitivity Level (MSL) of 1 (Unlimited), the TL431ACZ is highly reliable and suitable for extended use in various environments. It is also compliant with REACH and ROHS3 standards, ensuring environmental safety and regulatory adherence.

TL431ACZ Features

• Adjustable Output Voltage: The TL431ACZ provides an adjustable output voltage range from 2.495V to 36V, offering flexibility in voltage regulation.
• High Precision: With a tolerance of ±1%, the device ensures high precision and stability in voltage regulation.
• High Output Current Capability: Capable of delivering up to 100 mA, the TL431ACZ is suitable for applications requiring moderate current loads.
• Low Cathode Current: The device operates with a low cathode current of 600 µA, contributing to energy efficiency.
• Wide Operating Temperature Range: The TL431ACZ operates reliably within a temperature range of 0°C to 70°C (TA), making it suitable for a variety of environmental conditions.
• Environmental Compliance: The device is REACH Unaffected and ROHS3 Compliant, ensuring it meets stringent environmental and regulatory standards.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the TL431ACZ is highly reliable and suitable for long-term use in various conditions.
• Through Hole Mounting: The Through Hole mounting type ensures robust mechanical stability and ease of integration into various electronic circuits.

TL431ACZ Applications

The TL431ACZ is ideal for a variety of applications requiring precise voltage regulation and stable performance. Some specific use cases include:

• Power Supplies: The adjustable output voltage and high precision make it suitable for use in power supplies, ensuring stable voltage levels for connected devices.
• Battery Chargers: The device can be used in battery charging circuits to provide a stable reference voltage, ensuring safe and efficient charging.
• LED Drivers: The TL431ACZ can be employed in LED driver circuits to regulate the voltage and current, ensuring consistent brightness and longevity of LEDs.
• DC-DC Converters: The device can be used in DC-DC converter circuits to provide a stable reference voltage, enhancing the efficiency and reliability of the power conversion process.
• Instrumentation: The high precision and stability of the TL431ACZ make it suitable for use in precision instrumentation and measurement devices.

Conclusion of TL431ACZ

The TL431ACZ from STMicroelectronics is a versatile and high-performance adjustable shunt reference IC that offers precise voltage regulation and stability. Its wide range of adjustable output voltage, high precision, and environmental compliance make it an ideal choice for various power management applications. The device's low cathode current and high output current capability ensure energy efficiency and reliability, while its Through Hole mounting type and wide operating temperature range enhance its versatility. Whether used in power supplies, battery chargers, LED drivers, DC-DC converters, or precision instrumentation, the TL431ACZ provides a reliable and efficient solution for voltage regulation needs.