The CAT809LSDI-GT3 from ON Semiconductor is a high-performance microprocessor supervisory circuit designed to keep systems within their operating voltage ranges. This crucial component ensures that your electronic devices operate reliably and consistently by monitoring the power supply voltage and asserting a reset signal whenever the monitored voltage drops below a predetermined threshold.

Key Features

• Precision Voltage Monitoring: The CAT809LSDI-GT3 offers precision monitoring of 3V, 3.3V, and 5V supply voltages, making it versatile for a range of applications.
• Low Power Consumption: With its low power draw, this voltage supervisor helps to conserve energy in battery-operated devices, contributing to longer battery life.
• Programmable Reset Delay: It includes a programmable delay time for the reset signal, allowing designers to tailor the reset timing to their specific needs.
• Manual Reset Input: A manual reset input provides an additional layer of system control, enabling a reset to be triggered by external events or user interaction.
• High Accuracy: The reset threshold accuracy of ±2% ensures reliable operation even under varying conditions and temperatures.

Applications

The CAT809LSDI-GT3 is ideal for use in a wide array of electronic applications where consistent and reliable operation is critical. These applications include:

• Microprocessor and microcontroller systems
• Portable and battery-powered equipment
• Intelligent instruments
• Industrial controllers
• Automotive systems

Product Specifications

The CAT809LSDI-GT3 is available in a 3-pin SOT-23 package, providing a compact solution that is easy to integrate into various designs. It operates over a wide temperature range from -40°C to +85°C, ensuring functionality in extreme environments. The device is RoHS compliant, reflecting ON Semiconductor's commitment to environmental sustainability.

With its robust feature set and ON Semiconductor's reputation for quality and reliability, the CAT809LSDI-GT3 is an excellent choice for designers looking to enhance system stability and protect against the dangers of undervoltage conditions.