LM25116MHX/NOPB

DC DC Switching Controllers Overview

The LM25116MHX/NOPB is a synchronous buck controller from Texas Instruments designed for wide input voltage applications. It operates with an input voltage range of 6V to 42V and supports output voltages from 1.215V to 36V. The device utilizes current mode control with a programmable switching frequency between 50kHz and 1MHz. It features adaptive dead-time control for external NMOS power switches and includes protection mechanisms such as thermal shutdown, undervoltage lockout, and cycle-by-cycle current limiting. The component is housed in a 20-pin HTSSOP package with an exposed pad for thermal management.

DC DC Switching Controllers Feature Summary

• Supports wide input voltage ranges suitable for high-voltage or variable source applications
• Integrates adaptive dead-time control to optimize efficiency with external NMOS switches
• Enables clock synchronization for multi-phase or parallel system designs
• Provides comprehensive protection including thermal shutdown and adjustable undervoltage lockout

DC DC Switching Controllers Applications

• Industrial point-of-load regulation
• Automotive electronics systems
• Distributed power architectures
• High-voltage battery-powered equipment

DC DC Switching Controllers Procurement Notes

Verify the specific suffix 'HX' indicates tape and reel packaging when ordering. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the supplier provides valid traceability records for quality assurance purposes. Cross-reference the datasheet revision date to ensure compatibility with latest design guidelines.

DC DC Switching Controllers Selection Notes

Select this controller for designs requiring synchronous rectification to maximize efficiency at moderate to high currents. The wide input range accommodates various bus voltages without additional pre-regulation stages. Consider the thermal performance of the HTSSOP-20 package relative to the expected load current and ambient temperature conditions.

DC DC Switching Controllers Part Context

This component belongs to the LM25116 family of wide input range synchronous buck controllers. It serves as a core power management IC for converting higher input voltages to stable lower output levels. The device complements other TI PMIC solutions by offering flexible configuration options for diverse industrial and automotive power requirements.

DC DC Switching Controllers Replacement Considerations

The LM25117PSQ/NOPB is a related controller within the same product family, though it utilizes a different package type and may have distinct pinout characteristics. Verify functional equivalence and pin compatibility before substituting any alternative components.