Product Overview: APX809-31SRG-7 Voltage Supervisor IC

The APX809-31SRG-7 is a highly reliable voltage supervisor integrated circuit (IC) designed and manufactured by Diodes Incorporated, a leading company in the semiconductor market. This compact and efficient IC is engineered to monitor the system voltage and ensure stable operation of microprocessors (µPs), microcontrollers (MCUs), and other voltage-sensitive components. It is especially suitable for portable and battery-powered equipment where power efficiency and minimal space occupation are crucial.

Key Features

• Precision Monitoring: The APX809-31SRG-7 offers precise monitoring of the system voltage with a factory-trimmed threshold voltage of 3.08V, which is ideal for 3.3V systems.
• Power-On Reset Signal: Upon detecting a voltage below the threshold, the device generates a reset signal, holding the connected µP or MCU in reset until the system voltage stabilizes above the threshold, ensuring a proper system boot-up.
• Low Power Consumption: With its low power consumption, this IC is an excellent choice for power-sensitive applications, helping to extend battery life and reduce energy costs.
• Compact SOT-23 Package: The APX809-31SRG-7 comes in a small SOT-23 package, making it easy to incorporate into space-constrained designs without sacrificing performance.
• Operating Temperature Range: It operates over a wide temperature range of -40°C to +85°C, allowing for use in diverse environmental conditions.
• Active Low Reset Output: The reset output of the APX809-31SRG-7 is active low, which is a common configuration compatible with many digital systems.

Applications

The APX809-31SRG-7 is versatile and can be used in a variety of applications, including:

• Portable and handheld devices
• Battery-powered equipment
• Computers and computer peripherals
• Embedded systems
• Industrial controllers

With its precision voltage monitoring and reset capabilities, the APX809-31SRG-7 is a reliable solution for maintaining system integrity and preventing data corruption due to unexpected power fluctuations or brown-out conditions. Its small form factor and power efficiency make it an excellent choice for designers looking to enhance system reliability without compromising on space or power constraints.