CAT812MTBI-T3

Supervisors Overview

The CAT812MTBI-T3 is a voltage supervisory circuit manufactured by onsemi, designed for monitoring power supply integrity in electronic systems. It operates within a maximum supply voltage of 5.5 V and features an active high push-pull output. The device includes manual reset functionality with a fixed reset delay time of 240 ms. It supports threshold voltages of 2.5 V, 3 V, 3.3 V, and 5 V, with an overvoltage threshold of 4.45 V. The component draws a typical operating supply current of 8 uA and dissipates up to 320 mW. It functions reliably across an extended temperature range from -40 C to +85 C.

Supervisors Feature Summary

• Provides active high push-pull output for clear signal indication during power anomalies
• Integrates manual reset capability allowing user-initiated system recovery
• Delivers precise voltage supervision with defined overvoltage detection thresholds

Supervisors Applications

• Microprocessor power supply monitoring
• Embedded system voltage supervision
• Portable electronic device power management

Supervisors Procurement Notes

Verify the exact suffix configuration as datasheet availability may vary. Confirm end-of-life status and obsolescence notices prior to procurement. Ensure compatibility with existing PCB footprints and thermal requirements. Cross-reference manufacturer documentation for latest revision history and pinout definitions to prevent integration errors.

Supervisors Selection Notes

Select this component when an active high output logic level is required for downstream interface compatibility. Consider the 240 ms reset delay duration against system startup timing constraints. Evaluate the 8 uA quiescent current consumption against battery life requirements. Verify that the SOT-143-4 package dimensions fit within the designated board space limitations.

Supervisors Part Context

This part belongs to the CAT812 series of voltage supervisors from onsemi. It shares architectural similarities with other variants in the family but differs in output polarity and specific threshold settings. The series is categorized under PMIC solutions for reliable power management in compact consumer and industrial electronics applications.

Supervisors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source data.