LTC2911IDDB-4

Supervisors Overview

The LTC2911IDDB-4 is a precision supervisory circuit manufactured by Analog Devices Inc., designed for monitoring multiple power rails. It features three independent voltage monitor channels and includes an integrated power-fail comparator. The device operates with a low supply current of 10 µA, ensuring efficient energy usage in battery-powered or energy-sensitive applications. It is housed in an 8-lead DFN surface-mount package, suitable for compact PCB layouts. The component supports adjustable reset timeouts and provides push-pull outputs for reliable signal transmission across various industrial and commercial environments.

Supervisors Feature Summary

• Integrates three precision voltage monitor channels for comprehensive multi-rail supervision
• Includes a dedicated power-fail comparator for enhanced system protection capabilities
• Features adjustable reset timeout functionality to accommodate diverse timing requirements
• Delivers push-pull output drivers for robust signal integrity and noise immunity

Supervisors Applications

• Multi-voltage power supply monitoring in industrial control systems
• Embedded system supervision where space-constrained packaging is required
• Battery-operated devices requiring low quiescent current operation
• Communication equipment needing reliable power-fail detection signals

Supervisors Procurement Notes

Verify the specific suffix and tape-and-reel configuration when ordering, as availability may vary by region. Confirm that the DFN-8 package matches your footprint requirements. Check for RoHS compliance status prior to final procurement decisions. Ensure the manufacturer part number aligns exactly with design specifications to avoid integration errors during assembly processes.

Supervisors Selection Notes

Choose this component when precise multi-channel voltage monitoring is necessary alongside power-fail detection. The low 10 µA operating current makes it ideal for efficiency-critical designs. Consider the DFN-8 package size relative to available board space. Verify that the adjustable timeout features meet your system's startup and shutdown timing constraints before finalizing the selection.

Supervisors Part Context

This part belongs to the LTC2911 series of supervisory circuits from Analog Devices. The series focuses on providing accurate voltage monitoring solutions with minimal power consumption. The IDDB-4 variant specifically denotes the industrial temperature range and the DFN-8 package style. It complements other PMIC offerings by addressing complex multi-rail supervision needs in modern electronic designs.

Supervisors Replacement Considerations

Direct substitutes within the same family include variants like the LTC2911ITS8-1#TRMPBF, which offers similar functionality in a TSOT-23-8 package. Always verify pinout compatibility and electrical specifications before swapping components. Consult official datasheets to ensure equivalent performance characteristics are maintained in the new part.