ON Semiconductor CAT1025WI-42-GT3 Overview

The ON Semiconductor CAT1025WI-42-GT3 is a high-performance, precision Supervisory Circuit designed to monitor power supplies in digital systems. It ensures that the system's microprocessor and other critical components are supplied with a stable voltage, safeguarding the system from uncertain power conditions. This device is an essential component for maintaining the reliability and stability of a wide range of electronic applications.

Key Features

• Voltage Monitoring: The CAT1025WI-42-GT3 monitors a fixed threshold voltage of 4.2V, providing a precise solution for systems requiring consistent voltage levels.
• Low Power Consumption: With its low power consumption, this supervisory circuit is an excellent choice for power-sensitive applications, helping to extend the life of battery-operated devices.
• Manual Reset Input: A manual reset input allows for an external trigger to reset the system, giving users or external controllers the ability to initiate a system reboot when necessary.
• Watchdog Timer: The integrated watchdog timer ensures that the system is operating correctly by monitoring the microprocessor, which must regularly refresh the timer to prevent a system reset.
• Power-On Reset Generator: The device features an automatic power-on reset generator that triggers a reset pulse when the supply voltage reaches the threshold, ensuring the system starts in a known state.

Applications

The CAT1025WI-42-GT3 is ideal for use in a variety of applications where reliable voltage monitoring is crucial. These include:

• Computers and Servers
• Embedded Systems
• Portable/Battery-Powered Equipment
• Industrial Controllers
• Automotive Systems

Package and Availability

The device comes in a small, 5-lead SOT-23 package, making it suitable for space-constrained applications. Its industry-standard footprint allows for easy integration into existing designs. The CAT1025WI-42-GT3 is available for order and can be sourced through ON Semiconductor's distribution network.