Texas Instruments

LM25118MHE/NOPB  

DC DC Switching Controllers

LM25118MHE/NOPB Description

The LM25118MHE/NOPB from Texas Instruments is a high-performance buck/boost switching controller designed for demanding DC-DC power conversion applications. This surface-mount IC integrates a transistor driver with a positive output configuration, supporting input voltages from 3V to 42V and switching frequencies up to 500kHz. Its 20-pin TSSOP package ensures compact PCB integration, while its RoHS3 compliance and REACH unaffected status make it suitable for environmentally conscious designs. The controller features synchronization capability (Clock Sync) and advanced control features such as enable, frequency control, ramp, and soft start, ensuring precise power management.

LM25118MHE/NOPB Features

• Wide Input Voltage Range (3V–42V): Ideal for automotive, industrial, and battery-powered systems.
• Buck/Boost Topology: Supports both step-down and step-up configurations for flexible power solutions.
• 500kHz Switching Frequency: Enables high-efficiency power conversion with smaller external components.
• Control & Protection Features: Includes enable control, adjustable frequency, soft start, and duty cycle limiting (75% max) for robust operation.
• Clock Synchronization: Allows synchronization with external clocks to reduce noise in multi-rail systems.
• Single-Output, 1-Phase Design: Simplifies layout while maintaining high performance.
• MSL 1 (Unlimited): Suitable for extended storage and handling without moisture sensitivity concerns.

LM25118MHE/NOPB Applications

• Automotive Power Systems: Supports 12V/24V battery regulation and infotainment power supplies.
• Industrial Equipment: Used in PLCs, motor drives, and ruggedized power modules.
• Telecom & Networking: Efficiently powers routers, switches, and base stations.
• Portable Electronics: Ideal for battery charging and voltage stabilization in handheld devices.
• LED Drivers: Provides stable current/voltage for high-power LED arrays.

Conclusion of LM25118MHE/NOPB

The LM25118MHE/NOPB stands out for its wide input range, buck/boost versatility, and advanced control features, making it a superior choice for engineers designing high-efficiency, compact power systems. Its synchronization capability and robust protection mechanisms ensure reliability in automotive, industrial, and telecom applications. With Texas Instruments' proven quality, this controller delivers performance, flexibility, and durability for next-generation power designs.

LM25118MHE/NOPB Documents

Download datasheets and manufacturer documentation for LM25118MHE/NOPB

PCN Assembly/Origin :

Wafer Fab Qual 5/Jul/2016      

Datasheets :

LM25118(Q)      

Design Resources :

LM25118 Design with WEBENCH® Power Designer      

HTML Datasheet :

LM25118(Q)      

PCN Design/Specification :

LM5118-LM25118 14/Jul/2017       Design 22/Feb/2022