CAT810MTBI-T3

Supervisors Overview

The CAT810MTBI-T3 is a single-channel voltage supervisory circuit manufactured by onsemi, designed to monitor power supply integrity in electronic systems. It operates within a supply voltage range of 1.2 V to 5.5 V and features a push-pull active-high output. The device triggers at an under-voltage threshold of 4.93 V and an over-voltage threshold of 5.06 V, with a fixed reset delay time of 240 ms. It consumes a typical operating current of 8 µA and is housed in a compact SOT-23-3 surface-mount package. The component supports an industrial temperature range from -40°C to +85°C.

Supervisors Feature Summary

• Provides precise monitoring of single power rail voltages using dedicated under-voltage and over-voltage detection circuits.
• Delivers a robust push-pull active-high output signal for direct interfacing with microprocessor reset pins.
• Ensures system stability through a fixed 240 ms reset delay, allowing adequate time for power supplies to stabilize.

Supervisors Applications

• Microprocessor power supply supervision
• Portable battery-operated equipment
• Industrial control systems

Supervisors Procurement Notes

Verify the specific suffix 'T3' against the manufacturer's latest datasheet to confirm tape-and-reel packaging specifications. Confirm that the 'MTBI' designation corresponds to the required 4.93 V threshold voltage variant. Ensure compatibility with the target PCB footprint for the SOT-23-3 package before finalizing procurement orders.

Supervisors Selection Notes

Select this component when a single-channel supervisor with an active-high output is required for voltages near 5 V. The low quiescent current makes it suitable for battery-powered applications. Verify that the 240 ms delay meets the timing requirements of the downstream logic. Compare against other CAT810 variants if different threshold voltages or active-low outputs are needed.

Supervisors Part Context

This part belongs to the CAT810 series of microprocessor supervisors from onsemi. The series offers various threshold voltages and output polarities to accommodate different system architectures. The CAT810 family is characterized by low power consumption and small package options, making it a standard choice for general-purpose power monitoring in consumer and industrial electronics.

Supervisors Replacement Considerations

Check for CAT810MTBI-GT3 as a potential alternative, noting that the suffix change may indicate RoHS compliance updates rather than functional differences. Verify pinout compatibility with existing designs when substituting.