LTC2903IS6-A1#TRMPBF

Supervisors Overview

The LTC2903IS6-A1#TRMPBF is a precision quad supply monitor manufactured by Analog Devices Inc. It monitors up to four independent supply voltages using a common reset output that remains low until all inputs exceed their respective thresholds. The device features adjustable threshold voltages and a fixed 200 ms reset delay time. It operates within a supply voltage range of 2.7 V to 6 V and draws a typical operating supply current of 20 µA. The component is housed in a compact 6-lead SOT-23 package, suitable for surface mount applications.

Supervisors Feature Summary

• Monitors up to four independent supply voltages simultaneously
• Features adjustable threshold voltages for flexible configuration
• Provides a common open-drain reset output with a fixed 200 ms delay

Supervisors Applications

• Multi-rail power supply monitoring systems
• Portable electronic devices requiring low quiescent current
• Industrial control boards with multiple voltage domains

Supervisors Procurement Notes

Verify the specific suffix A1 against official datasheets to confirm threshold configurations. Confirm availability status as distribution channels may list limited stock or end-of-life conditions. Ensure the SOT-23-6 package matches your PCB footprint requirements before finalizing procurement orders.

Supervisors Selection Notes

Select this component when monitoring four distinct voltage rails is required within a minimal footprint. The low 20 µA supply current makes it suitable for battery-powered applications. Verify that the adjustable threshold capability meets the specific voltage levels of your target power rails compared to fixed-threshold alternatives.

Supervisors Part Context

This part belongs to the LTC2903 series of supervisory circuits from Analog Devices. It is designed for applications requiring precise monitoring of multiple power lines. The IS6 designation indicates the industrial temperature range and SOT-23-6 packaging variant.

Supervisors Replacement Considerations

Check for other variants within the LTC2903 family, such as the CS6 version, which shares similar functionality but may differ in temperature rating or package type. Ensure any substitute maintains the quad-monitor capability and compatible reset timing characteristics.