LTC1728ES5-1.8#TRPBF

Supervisors Overview

The LTC1728ES5-1.8#TRPBF is a triple supply monitor manufactured by Analog Devices Inc., designed for systems requiring multiple voltage supervision. It features three open-drain outputs for individual power monitoring, with fixed thresholds at 1.683V and 2.805V, plus an adjustable channel. The device provides active-low reset signals with a minimum reset timeout of 140ms. Packaged in a TSOT-23-5 surface-mount case, it operates within a temperature range of -40°C to 85°C.

Supervisors Feature Summary

• Triple-channel voltage monitoring with dedicated open-drain outputs for independent supervision
• Fixed threshold voltages combined with an adjustable monitoring channel for flexible configuration
• Active-low reset signal generation with defined minimum timeout duration

Supervisors Applications

• Systems with multiple supply voltages requiring individual power monitoring
• Processor supervisor circuits needing multi-rail validation
• Embedded designs utilizing manual reset button integration

Supervisors Procurement Notes

Verify the specific suffix #TRPBF against the manufacturer's current documentation to confirm RoHS compliance and tape-and-reel packaging specifications. Ensure the component matches the required automotive or industrial qualification standards if applicable to your system design. Cross-reference the part number with official Analog Devices resources to validate availability status and any potential obsolescence notices before finalizing procurement plans.

Supervisors Selection Notes

Select this component when a compact solution for supervising three distinct voltage rails is required. The inclusion of both fixed and adjustable thresholds allows adaptation to various logic levels. The TSOT-23-5 package suits space-constrained designs. Confirm that the open-drain output capability aligns with the pull-up requirements of the connected microcontroller or logic interface.

Supervisors Part Context

This part belongs to the LTC1728 series of triple supply monitors from Analog Devices. It serves as a specialized power management integrated circuit (PMIC) peripheral rather than a regulator. The series is intended for applications where reliable detection of under-voltage conditions across multiple power domains is critical for system stability and safe operation.

Supervisors Replacement Considerations

LTC1728ES5-1.8#TR is listed as a direct substitute option.