The CAT885ZI-SA-GT3 from ON Semiconductor is a precision voltage supervisor IC designed to monitor VCC in digital systems and provide a reset signal to the host processor when necessary. Ensuring reliable operation and system integrity, this IC is an essential component for applications that require high levels of stability and accuracy in power supply monitoring.

Key Features

• Voltage Threshold Accuracy: The device features a tight threshold voltage accuracy of ±2%, which is critical for systems that cannot tolerate deviations in power supply levels.
• Low Power Consumption: With a quiescent current of just 20 µA, the CAT885ZI-SA-GT3 is an energy-efficient solution for power-sensitive applications.
• Reset Time Delay: It offers a programmable delay time through an external capacitor, giving designers flexibility to tailor the reset assertion time as per their system requirements.
• Manual Reset Input: A manual reset input is provided, allowing for a system reset to be triggered with an external button or signal.
• Wide Operating Voltage Range: The IC operates over a broad voltage range from 1.0V to 10V, accommodating various digital systems and applications.
• Temperature Range: It is designed to function across an industrial temperature range from -40°C to +85°C, ensuring reliability in harsh environments.
• Package: The device comes in a compact SOT-23 package, which is ideal for space-constrained applications.

Applications

The CAT885ZI-SA-GT3 is suitable for a wide range of applications, including:

• Microprocessor, microcontroller, and DSP power supply monitoring
• Portable and battery-powered equipment
• Intelligent instruments
• Industrial controls
• Embedded systems

Conclusion

With its precise monitoring capabilities and low power consumption, the CAT885ZI-SA-GT3 from ON Semiconductor is an excellent choice for designers looking to enhance system stability and reliability. Its programmable delay and manual reset features offer additional control to maintain the integrity of the digital systems it monitors.