CAT1026YI-45-GT3

Supervisors Overview

The CAT1026YI-45-GT3 is a voltage supervisory circuit manufactured by onsemi, designed for CPU monitoring applications. It operates within a supply voltage range of 2.7 V to 5.5 V and features a threshold voltage of 4.5 V with an overvoltage threshold of 4.75 V. The device is housed in an 8-TSSOP package and supports surface-mount installation. It functions as a single-input supervisor without manual reset or watchdog timer capabilities. The component operates across a temperature range of -40°C to +85°C and consumes a working power current of 3 mA.

Supervisors Feature Summary

• Integrates voltage supervision with built-in 2K EEPROM storage for data retention
• Provides automatic system reset generation upon detection of under-voltage conditions
• Supports standard surface-mount packaging for compact PCB integration

Supervisors Applications

• CPU voltage monitoring in embedded systems
• Data integrity protection via integrated EEPROM storage
• Power management circuits requiring undervoltage supervision

Supervisors Procurement Notes

Verify the specific suffix GT3 against official datasheets to confirm pinout compatibility and tape-and-reel specifications. Confirm RoHS compliance status through manufacturer documentation prior to procurement. Ensure the selected variant matches the required threshold voltage and package dimensions for the target design.

Supervisors Selection Notes

Select this component when both voltage supervision and non-volatile data storage are required in a single package. Verify that the 4.5 V threshold aligns with the monitored rail voltage. Consider the TSSOP-8 footprint constraints and thermal dissipation requirements for the application environment.

Supervisors Part Context

This part belongs to the CAT1026 series of supervisory circuits from onsemi. It combines power management monitoring with memory functionality, distinguishing it from basic supervisors. The series targets applications needing reliable system reset and configuration data storage within limited space.

Supervisors Replacement Considerations

CAT1026WI-45-T3: SOIC-Wide-8 package variant with identical electrical characteristics.