CAT812STBI-T3

Supervisors Overview

The CAT812STBI-T3 is a supervisory circuit manufactured by onsemi, designed to monitor voltage levels and reset microprocessors or digital logic systems. It operates within a supply voltage range of 1.7V to 5.5V, ensuring compatibility with various low-voltage applications. The device features a fixed output delay time of 200ms, providing stable reset signals during power-up sequences. It includes an active-low open-drain reset output compatible with standard logic families. The component is housed in a compact SOT-23-3 package, facilitating space-constrained designs while maintaining reliable performance under varying thermal conditions.

Supervisors Feature Summary

• Monitors supply voltage for system stability
• Provides active-low reset signal generation
• Compatible with standard digital logic interfaces

Supervisors Applications

• Microprocessor reset circuits
• Portable electronic devices
• Battery-powered systems

Supervisors Procurement Notes

Verify the exact part number suffix against official onsemi documentation to confirm pinout and electrical specifications. Ensure the ordering code matches the required package type and temperature range. Cross-reference with authorized distributors to confirm authenticity and traceability. Check for any specific handling requirements related to electrostatic discharge protection during storage and assembly processes.

Supervisors Selection Notes

Select this component when a fixed 200ms reset delay is sufficient for the target application's power-up sequence. Consider the operating voltage range to ensure it aligns with the system's nominal supply voltage. Evaluate the package size constraints to determine if the SOT-23-3 form factor meets the board layout requirements. Confirm that the open-drain output interface is compatible with the downstream logic inputs without additional pull-up components.

Supervisors Part Context

This supervisory circuit belongs to onsemi's family of voltage monitoring devices aimed at embedded systems. It serves as a critical component for ensuring reliable startup behavior in digital circuits. The design focuses on simplicity and robustness, offering a cost-effective solution for basic reset functionality without complex configuration options.

Supervisors Replacement Considerations

Consult onsemi's official cross-reference guides for verified substitute part numbers. Ensure any replacement maintains identical voltage thresholds and reset delay characteristics. Verify package compatibility to avoid mechanical fit issues. Confirm that the alternative component meets the same environmental and reliability standards required for the original design.