LM25019MRE/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM25019MRE/NOPB is a synchronous step-down switching regulator from Texas Instruments, housed in an 8-pin MSOP-PowerPAD package. It operates with an input voltage range of 4.5V to 60V and delivers up to 350mA of output current. The device features an adjustable output voltage from 1.225V to 40V, with a fixed frequency operation at 400kHz. It includes integrated high-side and low-side MOSFETs, offering a quiescent current of 1.75mA. The component supports operation across a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates high-side and low-side power MOSFETs for compact design
• Supports wide input voltage range up to 60V
• Features programmable soft-start and frequency control
• Includes thermal shutdown and cycle-by-cycle current limiting

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial point-of-load regulation
• Automotive electronics systems
• Distributed power architectures
• Battery-powered equipment

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'MRE' against the manufacturer datasheet to confirm the exact package variant and tape/reel specifications. Ensure compatibility with RoHS directives and check for moisture sensitivity level requirements during storage and handling. Confirm that the ordering part number matches the intended pinout and thermal pad configuration for your PCB layout.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a synchronous buck topology is required for high efficiency within a small footprint. It is suitable for applications needing a wide input voltage range and adjustable output. Consider the thermal performance of the PowerPAD package for heat dissipation needs. Evaluate the 400kHz switching frequency against EMI constraints and external component size requirements.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM25019 family of synchronous buck regulators designed for space-constrained applications. It integrates power switches to reduce external component count compared to non-integrated controllers. The family targets industrial and automotive markets requiring robust performance and wide operating voltage ranges.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for LM25019 variants with different package codes such as MR or SDE if pin compatibility differs. Verify electrical parameters like output current and input voltage limits against the original design requirements before substitution.