LTC2911HDDB-4#TRPBF

Supervisors Overview

The LTC2911HDDB-4#TRPBF is a precision triple supply monitor manufactured by Analog Devices Inc. It features an integrated power-fail comparator and operates with an ultralow voltage reset capability down to VCC = 0.5V. The device monitors three input voltages simultaneously, ensuring comprehensive power supervision. It is housed in an 8-lead DFN package and draws a typical operating supply current of 10 uA. This component is designed for applications requiring high accuracy and low power consumption in multi-rail systems.

Supervisors Feature Summary

• Monitors three independent voltage inputs simultaneously for comprehensive system supervision
• Integrates a dedicated power-fail comparator for additional fault detection capabilities
• Supports ultralow voltage operation with guaranteed reset functionality at VCC as low as 0.5V

Supervisors Applications

• Portable instrumentation systems requiring precise power monitoring
• Industrial automation equipment with multiple voltage rails
• Battery-powered devices needing extended operational life through low quiescent current

Supervisors Procurement Notes

Verify the specific suffix #TRPBF indicates tape-and-reel packaging when ordering. Confirm the -4 variant corresponds to the required threshold specifications for your design. Check current availability status as distribution may vary. Ensure compatibility with your PCB footprint for the DFN-8 package. Validate RoHS compliance requirements against your manufacturing standards before finalizing procurement.

Supervisors Selection Notes

Select this component when simultaneous monitoring of three distinct supply lines is necessary. The integrated power-fail comparator offers an alternative to external logic for fault signaling. Consider the 10 uA supply current for battery-sensitive designs. The DFN-8 package suits space-constrained layouts. Verify that the reset voltage thresholds meet the specific requirements of the monitored rails.

Supervisors Part Context

This part belongs to the LTC2911 series of precision supply monitors from Analog Devices. The series includes variants with different packages and threshold configurations. The HDDB-4 designation specifies the thermal grade, package type, and specific voltage thresholds. It complements other PMIC supervisory solutions by providing multi-channel monitoring in a compact form factor.

Supervisors Replacement Considerations

Direct substitutes include other LTC2911 variants such as LTC2911HDDB-2#TRPBF or LTC2911IDDB-4#TRMPBF, depending on threshold and package requirements. Cross-reference datasheets to ensure pinout and electrical characteristics match. Verify that any replacement maintains the same triple-monitor and power-fail comparator functionality.