DS1811-5+

Supervisors Overview

The DS1811-5+ is a voltage monitor from the EconoReset series by Analog Devices Inc./Maxim Integrated. It features an open-drain output and monitors a single input with a threshold voltage of 4.35 V. The device provides a reset delay time of 150 ms and operates within a supply voltage range up to 5.5 V. It has an accuracy of 2.5% and consumes 40 uA of operating current. The component supports power-fail detection, lacks manual reset or watchdog timer functions, and operates between -40 C and +85 C in a SOT-23-3 package.

Supervisors Feature Summary

• Provides system supervision via open-drain output for reliable signal interfacing
• Detects power failures to ensure data integrity during voltage fluctuations
• Maintains low power consumption suitable for battery-operated applications

Supervisors Applications

• Portable electronic devices requiring voltage supervision
• Battery-powered systems needing power-fail detection
• Embedded controllers requiring automated reset upon power loss

Supervisors Procurement Notes

Verify the specific suffix and tape-and-reel configuration against official datasheets before procurement. Confirm RoHS compliance status and lead times directly with authorized distributors. Ensure the sourcing channel is authorized to guarantee component authenticity and traceability. Check for any recent product change notices that may affect specifications or availability.

Supervisors Selection Notes

Select this component when a simple, low-cost voltage supervisor with an open-drain output is required. It is suitable for designs where manual reset is unnecessary and low quiescent current is critical. Consider the 4.35 V threshold and 150 ms delay to match the target system's power-up requirements. Verify compatibility with the host controller's input logic levels.

Supervisors Part Context

This part belongs to the DS1811 series of EconoReset supervisors. These components are designed to provide basic power management functions in compact packages. The series offers various threshold voltages and output types to suit different system architectures. Analog Devices acquired Maxim Integrated, which originally developed this line of supervisory circuits.

Supervisors Replacement Considerations

Check for direct pin-compatible alternatives within the same series if availability is limited. Verify that substitute parts maintain the same open-drain output type and threshold voltage accuracy. Ensure replacement components meet the same operating temperature range and package dimensions.