LTC2909CDDB-3.3#TRMPBF

Supervisors Overview

The LTC2909CDDB-3.3#TRMPBF is a precision supervisory circuit manufactured by Analog Devices Inc., designed to monitor multiple voltage rails within electronic systems. It features an open-drain output and provides low-active reset signals for reliable system management. The component operates within a temperature range of 0°C to 70°C and utilizes an 8-WFDFN package with a bare pad, measuring 3x2 mm. It supports adjustable threshold voltages and includes a fixed reset delay time of 140 ms minimum. This device is classified under power management ICs and serves as a multi-voltage monitor for industrial applications.

Supervisors Feature Summary

• Provides precise monitoring for up to three independent input voltage channels simultaneously.
• Features an open-drain output configuration compatible with various logic families.
• Includes a manual reset capability allowing user-initiated system recovery.

Supervisors Applications

• Industrial control systems requiring multi-rail supervision
• Portable equipment needing efficient power management
• Embedded systems with strict voltage threshold requirements

Supervisors Procurement Notes

Verify the specific suffix and package variant against the official datasheet before ordering. Confirm that the operating temperature range meets the application environment requirements. Ensure compatibility with the target PCB footprint for the 8-DFN package. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components. Check current availability status as supply constraints may affect lead times.

Supervisors Selection Notes

Select this component when designing circuits that require simultaneous monitoring of multiple voltage lines with high accuracy. Consider the open-drain output interface for flexibility in connecting to different microcontroller reset pins. Evaluate the thermal performance within the specified operating temperature range. Compare the reset delay characteristics against system timing requirements. Ensure the physical dimensions fit the available board space constraints.

Supervisors Part Context

This part belongs to the LTC2909 series of precision voltage monitors from Analog Devices. The series offers flexible configurations for monitoring under-voltage, over-voltage, and negative voltage conditions. It is designed for applications where reliable system supervision is critical. The device integrates advanced features into a compact surface-mount package, making it suitable for space-constrained designs.

Supervisors Replacement Considerations

LTC2909IDDB-3.3#TRMPBF

Supervisors FAQ

What is the maximum number of inputs this monitor can handle?

The LTC2909CDDB-3.3#TRMPBF can monitor up to three independent input voltage channels simultaneously.

Does this device support manual reset functionality?

Yes, the component includes a manual reset feature that allows users to initiate a system reset manually.