The APX809S05-31SA-7 is a highly precise microprocessor supervisory circuit designed by Diodes Incorporated to monitor the power supply voltage of digital systems. It ensures that the system's microprocessor is reset to a known state during power-up, power-down, or if a brown-out condition occurs. This supervisory circuit is an essential component for any system that requires reliable operation over a range of power supply conditions.

Key Features

• Voltage Monitoring Precision: The APX809S05-31SA-7 offers a tight threshold voltage of 3.08V, providing high accuracy in monitoring the power supply level.
• Low Power Consumption: Designed for energy-efficient applications, this supervisory circuit consumes minimal power, making it suitable for battery-operated devices.
• Reset Timeout: It features a 140ms minimum reset timeout delay, ensuring enough time for the system to stabilize before it becomes operational after a reset.
• Push-Pull Output: The device comes with a push-pull reset output, which eliminates the need for an external pull-up resistor and helps to reduce component count and system complexity.
• Temperature Range: It operates over an industrial temperature range from -40°C to +85°C, making it versatile for use in various environmental conditions.

Applications

The APX809S05-31SA-7 is ideal for a wide array of applications, including:

• Microprocessor, microcontroller, and DSP monitoring
• Portable and battery-powered equipment
• Industrial controllers
• Embedded systems
• Intelligent instruments

Product Specifications

This supervisory circuit comes in a compact SOT-23 package, which is suitable for space-constrained applications. The part number APX809S05-31SA-7 indicates the specific configuration and packaging variant, with the last digit '7' denoting the RoHS-compliant version of the component.

Quality and Reliability

Diodes Incorporated is committed to high standards of quality and reliability, and the APX809S05-31SA-7 is no exception. This supervisory circuit is built to provide consistent performance and is backed by Diodes Incorporated's reputation in the semiconductor industry.