LM3880MFE-1AC/NOPB

Power Supply Controllers, Monitors Overview

The LM3880MFE-1AC/NOPB is a power supply sequencer manufactured by Texas Instruments, designed for monitoring and sequencing multiple voltage rails. It operates within a supply voltage range of 2.7V to 5.5V with a typical supply current of 25 µA. The device features three monitored inputs and utilizes an open-drain output configuration. It is housed in a compact SOT-23-6 surface-mount package and supports an operating temperature range from -40°C to +125°C.

Power Supply Controllers, Monitors Feature Summary

• Provides fixed delay sequencing for up to three independent power rails
• Features open-drain outputs compatible with various logic levels
• Operates efficiently with low quiescent current consumption
• Includes internal reset delay timer for controlled power-up sequences

Power Supply Controllers, Monitors Applications

• Power sequencing for multi-rail embedded systems
• Voltage monitoring in industrial control units
• Power management in automotive electronic modules

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix '1AC' against the official Texas Instruments datasheet to confirm the exact threshold voltages and timing characteristics. Ensure the component meets AEC-Q100 requirements if used in automotive applications. Confirm RoHS compliance status and check for any recent product change notices regarding marking or packaging revisions before finalizing procurement orders.

Power Supply Controllers, Monitors Selection Notes

Select this component when a simple, fixed-delay sequencer is required for three voltage rails without programmable timing adjustments. Consider the SOT-23-6 package size constraints and the open-drain output limitations. Evaluate the 2.7V to 5.5V supply range compatibility with the system's main power source and ensure the thermal performance suits the intended operating environment.

Power Supply Controllers, Monitors Part Context

This part belongs to the LM3880 family of power sequencers from Texas Instruments. The family offers solutions for managing power-up and power-down sequences in complex electronic systems. Variants within the series differ by monitoring input counts, output configurations, and specific timing delays, allowing designers to choose the appropriate level of complexity for their power management needs.

Power Supply Controllers, Monitors Replacement Considerations

Check for LM3880QMFE-1AE/NOPB or LM3880QMF-1AB/NOPB as potential alternatives within the same family. Verify pin-to-pin compatibility and functional equivalence regarding threshold voltages and delay times before substitution.