LM2586SX-5.0/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2586SX-5.0/NOPB is a SIMPLE SWITCHER power module from Texas Instruments, integrating a 3A switch and control circuitry for boost, flyback, and forward topologies. It operates with an input voltage range of 4V to 40V and provides a fixed 5V output. The device features a 100kHz switching frequency, reducing external component size. It includes internal frequency compensation, thermal shutdown, and current limiting. Packaged in TO-263 (D2PAK), it supports surface-mount installation and functions within a junction temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a 3A power switch and control logic into a single monolithic package
• Supports versatile converter topologies including step-up, flyback, and forward configurations
• Includes built-in thermal shutdown and constant current limiting protection mechanisms

Voltage Regulators - DC DC Switching Regulators Applications

• Distributed power supply systems requiring efficient voltage conversion
• Pre-regulators for downstream switching regulators
• Battery-powered applications utilizing boost or flyback architectures

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'SX' corresponds to the TO-263 surface-mount package variant when sourcing. Confirm that the 'NOPB' designation indicates lead-free construction and compliance with RoHS standards. Ensure the ordering part number matches the required 5V fixed output specification rather than adjustable versions. Cross-reference datasheet revisions to confirm pinout consistency for PCB layout.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for designs requiring high efficiency in boost or flyback applications without external controller complexity. The integrated 3A switch capability suits moderate load requirements. Consider the 100kHz switching frequency for balancing component size against electromagnetic interference. Verify input voltage stability remains within the 4V to 40V operational window for reliable regulation.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM2586 family of SIMPLE SWITCHER modules, designed to simplify DC-DC converter design by minimizing external component count. Unlike linear regulators, it offers higher efficiency through switching operation. The series supports multiple output voltages and adjustable variants, providing flexibility for various industrial and commercial power management needs.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2586S-5.0/NOPB: Identical functional specifications with potential packaging or reel variation differences.

Voltage Regulators - DC DC Switching Regulators FAQ

What converter topologies does the LM2586SX-5.0/NOPB support?

It supports boost, flyback, and forward converter topologies.

Does the device include overcurrent protection?

Yes, it features internal constant current limiting and thermal shutdown protection.