LM25118MHE/NOPB

DC DC Switching Controllers Overview

The LM25118MHE/NOPB is a wide input voltage, current mode non-synchronous buck-boost controller manufactured by Texas Instruments. It supports an input voltage range of 3V to 42V and delivers up to 3.5A output current with adjustable output voltages from 1.23V to 38V. The device operates at a maximum switching frequency of 500kHz and features a maximum duty cycle of 75%. It includes integrated soft-start, frequency synchronization, and slope compensation. The component is housed in a 20-pin HTSSOP package and functions within a junction temperature range of -40°C to 125°C.

DC DC Switching Controllers Feature Summary

• Supports both buck and boost topologies for flexible power conversion
• Integrates current mode control with slope compensation for stability
• Enables external clock synchronization for noise reduction
• Includes programmable soft-start to limit inrush current

DC DC Switching Controllers Applications

• Automotive infotainment systems
• Industrial power supplies
• Point-of-load regulation modules
• Battery-powered equipment

DC DC Switching Controllers Procurement Notes

Verify the specific suffix 'MHE' against the manufacturer's official datasheet to confirm pinout compatibility and thermal performance specifications. Ensure that the ordering information matches the exact package variant required for your PCB layout. Cross-reference the RoHS compliance status with current regulatory requirements before finalizing procurement orders.

DC DC Switching Controllers Selection Notes

Select this controller when designing circuits requiring operation in both buck and boost modes with a wide input voltage range. It is suitable for applications needing high efficiency without synchronous rectification complexity. Consider the 20-HTSSOP package for space-constrained designs requiring robust thermal dissipation capabilities under continuous load conditions.

DC DC Switching Controllers Part Context

This component belongs to the LM25118 family of wide input voltage controllers designed for versatile power management tasks. It shares functional similarities with other members like the LM25116 but offers distinct buck-boost capabilities. The device is part of Texas Instruments' portfolio aimed at providing reliable solutions for automotive and industrial environments.

DC DC Switching Controllers Replacement Considerations

LM25118MHX/NOPB is a documented alternative within the same product family offering identical electrical characteristics.