LM3880MF-1AC/NOPB

Power Supply Controllers, Monitors Overview

The LM3880MF-1AC/NOPB is a simple power sequencer manufactured by Texas Instruments, designed for monitoring and controlling 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 with open-drain outputs and includes a fixed reset delay time of 120 ms. It utilizes a threshold voltage of 1.25 V and maintains an accuracy of 20%. The component is housed in a SOT-23-6 package and supports surface mount installation.

Power Supply Controllers, Monitors Feature Summary

• Provides automated sequencing for up to three independent power rails
• Features fixed internal timing delays for controlled ramp-up sequences
• Includes open-drain output structure for flexible interface compatibility

Power Supply Controllers, Monitors Applications

• Power sequence generation for multi-rail systems
• Voltage supervision in embedded electronics
• Automotive grade power management applications

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix configuration against official datasheets to ensure correct pinout and functional parameters. Confirm that the ordering part number matches the required automotive qualification standards and package type. Cross-reference the manufacturer's latest documentation to validate any potential design changes or updates before finalizing procurement specifications.

Power Supply Controllers, Monitors Selection Notes

Select this component when a low-power, fixed-delay solution is required for supervising multiple voltage rails without complex programming. Consider the 20% accuracy specification and 120 ms reset delay to ensure they align with system timing requirements. Evaluate the SOT-23-6 package constraints and operating temperature range relative to the target application environment.

Power Supply Controllers, Monitors Part Context

This part belongs to the LM3880 family of simple power sequencers from Texas Instruments. It serves as a dedicated supervisor for managing power-on sequences in systems requiring reliable rail activation order. The device integrates essential monitoring functions into a compact footprint, offering a streamlined alternative to discrete logic solutions for basic power management tasks.

Power Supply Controllers, Monitors Replacement Considerations

LM3880QMF-1AC/NOPB