The ON Semiconductor CAT809LEUR-T3 is a high-performance voltage supervisor device designed to provide precision monitoring of power supplies. It is an essential component for systems that require a reliable operation through accurate voltage supervision, ensuring that microprocessors, microcontrollers, and other voltage-sensitive components are protected from unpredictable voltage fluctuations.

Key Features

• Voltage Threshold: The CAT809LEUR-T3 offers a precise voltage threshold of 3.08V, which is ideal for monitoring 3.3V power supply lines. This ensures that the device can detect even the slightest deviation from the nominal voltage, providing a high level of protection for sensitive electronic circuits.
• Reset Timeout: This component features a built-in fixed reset timeout delay of 140ms (minimum), allowing sufficient time for the system to stabilize before returning to operation. This delay helps prevent system errors caused by transient faults or quick voltage dips.
• Low Power Consumption: Designed for energy-efficient applications, the CAT809LEUR-T3 consumes low power, which helps in extending the battery life of portable devices and reducing the overall energy footprint of electronic systems.
• Operating Temperature Range: It operates over a broad temperature range from -40°C to 85°C, making it suitable for use in harsh environmental conditions and a wide variety of industrial applications.
• Package: The device comes in a compact SOT-23 package, which is ideal for space-constrained applications. Its small footprint allows for integration into modern electronic designs without significant impact on the overall size of the system.
• Output Type: The CAT809LEUR-T3 features an active-low push-pull reset output, ensuring a strong and definitive signal to the monitored microprocessor or microcontroller during a reset condition.

Applications

The ON Semiconductor CAT809LEUR-T3 is versatile and can be used in a variety of applications, including:

• Computers and servers
• Portable/battery-powered devices
• Embedded systems
• Industrial equipment
• Networking hardware
• Automotive systems

In conclusion, the ON Semiconductor CAT809LEUR-T3 is a robust and reliable voltage supervisor that offers precise monitoring capabilities, low power consumption, and a wide operating temperature range, making it an excellent choice for ensuring the stability and reliability of electronic systems.