Texas Instruments

TL431IDRG4

TL431IDRG4 Description

The TL431IDRG4 is a precision shunt voltage reference IC from Texas Instruments, designed to provide a highly accurate and adjustable reference voltage. This device is part of the Power Management (PMIC) category and is housed in an 8-pin SOIC package, making it suitable for surface-mount applications. Despite being marked as obsolete, the TL431IDRG4 remains a reliable choice for applications requiring a stable reference voltage.

TL431IDRG4 Features

• Adjustable Output Voltage: The TL431IDRG4 offers an adjustable output voltage ranging from 2.495V to 36V, providing flexibility for various circuit designs.
• High Output Current Capability: With a maximum output current of 100 mA, this IC can support higher load requirements compared to similar devices.
• Precision and Stability: The reference voltage is maintained with a tolerance of ±2.2%, ensuring high precision and stability in voltage regulation.
• Low Cathode Current: The device operates with a low cathode current of 1 mA, which is beneficial for low-power applications.
• Compliance and Packaging: The TL431IDRG4 is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards. It is available in a tape and reel (TR) package, facilitating efficient handling and assembly in manufacturing processes.
• Moisture Sensitivity: With a moisture sensitivity level (MSL) of 1 (unlimited), the device is robust against moisture-related issues, enhancing its reliability in various environmental conditions.

TL431IDRG4 Applications

The TL431IDRG4 is ideal for a wide range of applications where a stable and precise reference voltage is required. Some specific use cases include:

• Power Supply Circuits: Ideal for use in adjustable power supplies, where the reference voltage can be fine-tuned to meet specific requirements.
• Battery Management Systems: Provides a stable reference for voltage monitoring and regulation in battery management systems.
• Analog-to-Digital Converters (ADCs): Serves as a reference voltage source for ADCs, ensuring accurate and reliable analog-to-digital conversion.
• Voltage Regulators: Can be used in voltage regulator circuits to maintain a stable output voltage, enhancing the performance of electronic devices.
• Industrial Control Systems: Suitable for industrial applications where precise voltage control is essential for process control and automation.

Conclusion of TL431IDRG4

The TL431IDRG4 from Texas Instruments is a versatile and reliable shunt voltage reference IC, offering adjustable output voltage, high precision, and robust performance. Despite its obsolete status, it remains a valuable component for applications requiring a stable reference voltage. Its compliance with environmental standards and efficient packaging make it a preferred choice for modern electronic designs. Whether used in power supplies, battery management systems, or industrial controls, the TL431IDRG4 ensures accurate and stable voltage regulation, enhancing the overall performance and reliability of electronic circuits.