ON Semiconductor CAT809MSDI-GT3 Voltage Supervisor IC

The ON Semiconductor CAT809MSDI-GT3 is a highly reliable voltage supervisor integrated circuit designed to maintain system integrity by monitoring the supply voltage of digital systems. This precision voltage monitoring device is an essential component for applications that require a high level of stability and accuracy, such as microprocessor and microcontroller-based systems, portable and battery-powered equipment, and intelligent instruments.

Key Features

• Voltage Threshold Accuracy: The CAT809MSDI-GT3 offers a tight threshold accuracy of ±1.5%, ensuring precise voltage monitoring and reliable system operation.
• Low Power Consumption: With its low power consumption, this device is ideal for power-sensitive applications, contributing to extended battery life and reduced energy costs.
• Reset Time Delay: It includes a built-in delay on the output signal to prevent false triggering, providing a stable reset signal for 140 ms (minimum).
• Operating Voltage Range: The device operates over a wide voltage range from 1.0 V to 5.5 V, accommodating various system power requirements.
• Temperature Range: The IC is operational over the industrial temperature range of -40°C to +85°C, ensuring performance in harsh environments.
• Output Type: The supervisor provides an active-low, push-pull reset output, which ensures a solid low signal when the monitored voltage drops below the threshold.
• Small Form Factor: Packaged in a compact SOT-23 package, the CAT809MSDI-GT3 is suitable for space-constrained applications.

Applications

The CAT809MSDI-GT3 is versatile and can be used in a variety of applications, including:

• Computers and servers
• Portable/battery-powered devices
• Embedded systems
• Data storage systems
• Medical monitoring equipment
• Automotive electronics

With its precise voltage monitoring and robust feature set, the ON Semiconductor CAT809MSDI-GT3 is a reliable solution for systems that cannot tolerate voltage deviations without compromising performance or safety. Its integration into your design can help to enhance system reliability, prevent data loss, and ensure a proper startup and operation under varying voltage conditions.