LTC2909CTS8-5#TRMPBF

Supervisors Overview

The LTC2909CTS8-5#TRMPBF is a precision supervisory circuit manufactured by Analog Devices Inc., designed for monitoring multiple voltage rails in embedded systems. It features three independent input channels capable of detecting under-voltage, over-voltage, and negative voltage conditions. The device operates within a supply voltage range of up to 6 V and draws a typical quiescent current of 50 µA. It provides a reset output with an open-drain configuration and includes a fixed 200 ms reset delay timer. The component is housed in an SOT-23-8 package and is rated for commercial temperature operation between 0°C and +70°C.

Supervisors Feature Summary

• Monitors three independent voltage inputs for under-voltage, over-voltage, and negative voltage faults
• Provides a single open-drain reset output with configurable timing characteristics
• Operates with low power consumption suitable for battery-powered applications

Supervisors Applications

• Multi-rail power system supervision in industrial equipment
• Voltage monitoring in portable consumer electronics
• System integrity checks in automotive infotainment units

Supervisors Procurement Notes

Verify the specific suffix CTS8-5 against the official Analog Devices datasheet to confirm the package type, temperature grade, and threshold settings match your design requirements. Confirm availability status with authorized distributors as supply constraints may apply. Ensure the open-drain output interface is compatible with your microcontroller or logic level inputs before finalizing procurement.

Supervisors Selection Notes

Select this component when precise monitoring of three distinct voltage lines is required in a compact surface-mount package. The commercial temperature range and low quiescent current make it suitable for cost-sensitive and space-constrained designs. Verify that the fixed 200 ms reset delay meets your system startup or fault recovery timing specifications.

Supervisors Part Context

This part belongs to the LTC2909 family of precision voltage monitors from Analog Devices. The family offers various configurations for monitoring dual or triple inputs with different package options including DFN and TSOT-23 variants. The CTS8-5 designation indicates a specific combination of package style, temperature rating, and threshold configuration within this product line.

Supervisors FAQ

What is the reset delay time for the LTC2909CTS8-5?

The device features a fixed reset delay time of 200 ms.

Can the LTC2909CTS8-5 monitor negative voltages?

Yes, the device is designed to detect under-voltage, over-voltage, and negative voltage conditions on its monitored inputs.