LM25019MR/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM25019MR/NOPB is a synchronous step-down switching regulator from Texas Instruments, designed for high-voltage input applications up to 48V. It integrates high-side and low-side N-channel power MOSFETs with a fixed 400kHz switching frequency. The device supports an output current of 100mA and features adjustable output voltage capability. Key electrical parameters include a minimum input voltage of 9V, a maximum operating temperature of +125°C, and a typical quiescent current of 1.75mA. It utilizes a SO-PowerPAD-8 package for surface mount installation.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates high-side and low-side N-channel power MOSFETs for compact design
• Supports wide input voltage range suitable for industrial and automotive systems
• Features internal soft-start and cycle-by-cycle current limiting protection

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial point-of-load regulation
• Automotive electronics power distribution
• Distributed power architectures

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'MR' against the official datasheet to confirm the tape-and-reel packaging variant and ensure compatibility with automated assembly processes. Confirm RoHS compliance status and moisture sensitivity level requirements for your manufacturing environment before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact, high-voltage synchronous buck solution is required without external gate drivers. Consider the 100mA output limit and 400kHz fixed frequency when evaluating thermal performance and passive component sizes. Ensure the input voltage range aligns with the system's supply rails and that the SO-PowerPAD-8 package fits the PCB layout constraints.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM25019 family of integrated power switches. It differs from controller-only variants by including internal MOSFETs, simplifying the bill of materials. The 'NOPB' designation indicates lead-free and RoHS-compliant construction, aligning with modern environmental standards for electronic components manufactured by Texas Instruments.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.