LM5115SDX

Power Supply Controllers, Monitors Overview

The LM5115SDX is a secondary side post regulator and synchronous buck controller manufactured by Texas Instruments. It operates with an input voltage range of 5V to 30V and supports a supply voltage of 5V to 7.5V. The device utilizes a 16-WSON package and functions within a temperature range of -40°C to 125°C. Designed for high-efficiency power conversion, it integrates features necessary for precise voltage regulation in secondary-side applications.

Power Supply Controllers, Monitors Feature Summary

• Integrated synchronous buck controller architecture optimized for secondary side post regulation
• Supports wide input voltage ranges suitable for various bus configurations
• Includes thermal shutdown protection to ensure operational reliability under stress

Power Supply Controllers, Monitors Applications

• Secondary side post-regulation in DC/DC converters
• Synchronous buck converter designs requiring tight voltage regulation
• High-efficiency power supply modules

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix against the manufacturer's current datasheet to confirm pinout compatibility and RoHS status. Ensure the ordering part number matches the required package variant. Cross-reference with official TI documentation to validate availability and lead times before finalizing procurement decisions.

Power Supply Controllers, Monitors Selection Notes

Select this component when designing secondary side post regulators that require a compact solution. Consider the 16-WSON package for space-constrained layouts. Evaluate the operating temperature range and input voltage specifications against the target application requirements to ensure proper functionality and thermal management.

Power Supply Controllers, Monitors Part Context

The LM5115 belongs to Texas Instruments' family of secondary side post regulators. It is often compared with variants like the LM5115MTCX/NOPB which uses a TSSOP package. The SDX designation indicates a specific surface-mount package configuration distinct from other pin-compatible options in the series.

Power Supply Controllers, Monitors Replacement Considerations

Direct substitutes include LM5115SDX/NOPB and LM5115SDX-NOPB. Verify functional equivalence and package dimensions before substitution.