LM2586S-ADJ/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2586S-ADJ/NOPB is a SIMPLE SWITCHER step-up/flyback regulator from Texas Instruments, housed in a TO-263-7 surface-mount package. It operates with an input voltage range of 4V to 40V and delivers up to 3A output current. The device features adjustable output voltage starting at 1.23V, fixed switching frequencies of 52kHz or 150kHz, and internal current limiting. It supports boost, flyback, and buck-boost topologies within an operating temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated power switch capable of handling high current loads for efficient step-up and flyback conversion
• Internal frequency compensation eliminates the need for external phase compensation components
• Built-in thermal shutdown and current limit protection ensure reliable operation under fault conditions

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered systems requiring voltage boosting
• DC-to-DC converter designs using flyback topology
• Negative voltage generation circuits
• Forward converters in isolated power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the manufacturer designation as Texas Instruments, which acquired National Semiconductor's analog portfolio. Confirm the suffix NOPB indicates lead-free and RoHS compliance. Ensure the package matches the specified TO-263-7 form factor. Cross-reference the datasheet revision to confirm pinout and electrical characteristics align with your design requirements before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing non-isolated boost or flyback converters requiring up to 3A. Consider the available switching frequencies (52kHz or 150kHz) based on passive component size constraints. Evaluate the input voltage range against your source supply to ensure compatibility. Verify that the thermal performance of the TO-263 package suits your application's heat dissipation needs without excessive heatsinking.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2586 family of SIMPLE SWITCHER regulators, designed for simplified power supply development. It integrates a 3A switch and control circuitry into a single monolithic IC. The family includes fixed voltage versions and adjustable variants like this one, offering flexibility for various standard and custom output voltage requirements in compact designs.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2586SX-ADJ/NOPB: Identical functional specifications with alternative packaging options such as tape-and-reel delivery for automated assembly processes.