This document is a datasheet for the SPX431A, B, and C series of precision adjustable shunt regulators. Here's a summary of the key information:

What it is: A three-terminal adjustable shunt regulator, commonly used as a voltage reference. It can provide a stable voltage output ranging from 2.5V with accuracy options of 0.5%, 1.0%, or 2.0%.

Key Features:

️· Adjustable Output: Output voltage is set by external resistors.
️· Precision: Available in accuracy grades of 0.5%, 1.0%, and 2.0%.
️· Low Output Noise: Designed for low noise applications.
️· Multiple Package Options: Available in 3-pin TO-92, SOT-23, SOT-89, 5-pin SOT-23, and 8-pin SOIC packages.
️· Temperature Stability: Provides a stable output voltage over a wide temperature range.

Applications:

️· Voltage references
️· Overvoltage protection
️· Under voltage detection
️· DC-DC converters
️· Battery chargers
️· Adjustable power supplies

Ordering Information:

The document provides a detailed list of part numbers, accuracy levels, and package options. It also indicates the availability of lead-free packaging and tape and reel options.

Important Notes:

️· Datasheet includes many graphs and diagrams demonstrating performance characteristics.
️· Sipex Corporation reserves the right to make changes to the product.
️· The company does not assume liability for applications of the device.



This datasheet provides comprehensive information for engineers and designers who are considering using the SPX431 series of shunt regulators in their designs.