Diodes Incorporated

ZR431F005-7

ZR431F005-7 Description

The ZR431F005-7 is a precision shunt voltage reference IC designed for a wide range of power management applications. Manufactured by Diodes Incorporated, this device offers an adjustable output voltage range from 2.5V to 20V with a tolerance of ±0.5%. It is housed in a surface mount SOT23 package, making it suitable for compact and high-density PCB designs. The IC features a maximum output current of 100 mA and a cathode current of 50 µA, ensuring stable performance across various load conditions. With a temperature coefficient of 55ppm/°C, the ZR431F005-7 maintains high accuracy over a wide temperature range. Despite its obsolete status, this product remains a reliable choice for applications requiring precise voltage regulation.

ZR431F005-7 Features

• Adjustable Output Voltage: The ZR431F005-7 provides an adjustable output voltage range from 2.5V to 20V, offering flexibility in various power management applications.
• High Precision: With a tolerance of ±0.5%, this IC ensures high accuracy in voltage regulation, making it suitable for applications where precision is critical.
• Low Temperature Coefficient: The 55ppm/°C temperature coefficient ensures stable performance across a wide temperature range, minimizing drift and maintaining accuracy.
• Surface Mount Packaging: The SOT23 package is ideal for compact and high-density PCB designs, allowing for efficient use of space in modern electronic systems.
• High Output Current: The device supports a maximum output current of 100 mA, ensuring robust performance even under heavy load conditions.
• Low Cathode Current: The low cathode current of 50 µA reduces power consumption and enhances overall system efficiency.
• Compliance and Status: The ZR431F005-7 is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and regulatory standards. Although marked as obsolete, it remains a reliable option for existing designs.

ZR431F005-7 Applications

The ZR431F005-7 is ideal for a variety of applications that require precise voltage regulation and stable performance. Some specific use cases include:

• Power Supply Design: The adjustable output voltage and high precision make it suitable for designing regulated power supplies in various electronic systems.
• Battery Management: The device's ability to maintain stable voltage levels is beneficial for battery charging and monitoring circuits.
• Instrumentation and Control: The low temperature coefficient and high accuracy are advantageous in precision instrumentation and control systems.
• Consumer Electronics: The compact SOT23 package and low power consumption make it suitable for space-constrained consumer electronics applications.
• Industrial Automation: The robust performance and high output current ensure reliable operation in industrial automation and control systems.

Conclusion of ZR431F005-7

The ZR431F005-7 is a versatile and reliable shunt voltage reference IC, offering high precision and stable performance across a wide range of applications. Its adjustable output voltage, low temperature coefficient, and compact surface mount packaging make it an ideal choice for power management solutions. Although marked as obsolete, its continued availability ensures it remains a dependable option for existing designs and applications requiring precise voltage regulation.