LM5115SD

Power Supply Controllers, Monitors Overview

The LM5115SD is a secondary side post regulator and synchronous buck controller manufactured by Texas Instruments. It operates with a supply voltage range of 5V to 7.5V and accepts input signals between 5V and 30V. The device is housed in a 16-WSON package and supports surface mount installation. It functions within an operating temperature range of -40°C to 125°C, drawing a typical supply current of 4 mA.

Power Supply Controllers, Monitors Feature Summary

• Designed for secondary side post-regulation applications
• Supports synchronous buck control topology
• Integrated thermal protection mechanisms

Power Supply Controllers, Monitors Applications

• Secondary side post-regulator circuits
• Synchronous buck converter designs
• DC/DC power supply systems

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix against official documentation to confirm package type and compliance status. Ensure the component matches the required pinout and electrical specifications for the target design. Cross-reference the manufacturer part number with authorized distributors to confirm authenticity and availability.

Power Supply Controllers, Monitors Selection Notes

Select this controller for applications requiring dedicated secondary side regulation. Consider the 16-WSON package constraints for PCB layout. Evaluate the 5V to 30V input range compatibility with the primary side feedback network. Verify thermal performance requirements against the specified operating temperature limits.

Power Supply Controllers, Monitors Part Context

The LM5115 belongs to the LM511x family of power management ICs from Texas Instruments. It serves as a specialized controller for high-efficiency power conversion stages. The SD variant specifically denotes the WSON package configuration used in compact electronic designs.

Power Supply Controllers, Monitors Replacement Considerations

LM5115SD/NOPB is listed as a direct replacement option.