LM25018SDX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM25018SDX/NOPB is a synchronous step-down regulator from Texas Instruments, housed in an 8-pin WSON package. It supports input voltages up to 48V and delivers a maximum output current of 325mA. The device operates with a fixed switching frequency of 1MHz and utilizes constant on-time control for fast transient response. It features adjustable output voltage ranging from 1.225V to 40V. The component functions within a junction temperature range of -40°C to +125°C and includes integrated protection features such as overcurrent protection and thermal shutdown.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates high-side and low-side N-channel power MOSFETs for efficient synchronous rectification
• Employs constant on-time architecture to ensure rapid load transient response
• Includes comprehensive protection mechanisms against overcurrent conditions and excessive temperature

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for industrial equipment
• Power supply stages for embedded computing systems
• Input voltage conditioning for communication infrastructure

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix NOPB indicates lead-free compliance and RoHS adherence according to manufacturer documentation. Confirm the WSON-8 package outline matches your PCB footprint requirements. Ensure the operating voltage and current specifications align with your system design constraints before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is required for 48V input systems needing moderate current delivery. The 1MHz switching frequency allows for smaller external passive components compared to lower-frequency alternatives. Consider the thermal performance of the WSON package relative to your expected ambient temperatures and load currents.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM25018 family of wide-input voltage synchronous buck regulators. It shares architectural similarities with other TI constant on-time controllers but is optimized for higher efficiency through integrated synchronous rectification. The device serves as a direct replacement for older asynchronous designs requiring similar voltage ranges.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The LM25018SDE/NOPB is a documented alternative variant within the same product family, offering identical electrical characteristics in a different package configuration.