LP3988IMFX-3.3/NOPB

The LP3988IMFX-3.3/NOPB is a fixed-output linear voltage regulator designed to provide stable, regulated power in compact embedded and industrial applications. This component is part of the LP3988 regulator family, which is engineered for applications requiring a dedicated 3.3V output with efficient power delivery in space-constrained designs. Linear regulators like the LP3988 series function by taking an unregulated or varying input voltage and outputting a precisely regulated DC voltage. The 3.3V fixed output makes this part particularly suited for powering modern digital logic circuits, microcontrollers, sensors, and mixed-signal integrated circuits that operate at this common voltage standard. The regulator internally manages the voltage conversion and thermal performance, making it a straightforward solution for designers who need reliable power distribution without complex external programming. The IMFX designator indicates this component uses a small-form-factor package suitable for space-efficient circuit board layouts. This package type is typical for applications where component density matters, such as portable instrumentation, distributed power supplies across larger PCBs, or modular subsystems where multiple regulators may be needed. Engineers working on board-level designs with real estate constraints often specify this package type to minimize footprint while maintaining adequate thermal characteristics. Industrial and embedded system designers commonly select fixed-output regulators like this one for powering peripheral circuits, sensor conditioning stages, and secondary rail applications where the 3.3V standard dominates. The fixed 3.3V output eliminates the need for external resistive dividers or feedback components, reducing Bill of Materials complexity and design time compared to adjustable alternatives. This regulator family is frequently found in applications including industrial controllers, data acquisition systems, networking equipment, and consumer electronics where regulated 3.3V distribution is essential. The combination of fixed output, compact packaging, and straightforward implementation makes it a practical choice for engineers prioritizing simplicity and reliability over maximum performance specifications. When comparing alternatives, engineers often choose the LP3988 series for applications where the standard 3.3V output is sufficient and where the regulator's power handling capability matches system requirements. The fixed output topology eliminates design variables and supports faster time-to-market for projects using this common voltage rail. Designers implementing this regulator typically integrate it into power distribution hierarchies where a higher input voltage is stepped down to supply sensitive digital and analog circuits requiring clean, stable 3.3V rails.