Texas Instruments

LM27402MHX/NOPB  

DC DC Switching Controllers

LM27402MHX/NOPB Description

The LM27402MHX/NOPB from Texas Instruments is a high-performance synchronous buck controller designed for precision power management in demanding applications. This DC-DC switching controller operates within a 3V to 20V input range, delivering efficient voltage regulation with a switching frequency adjustable from 200kHz to 1.2MHz. Its positive output configuration and transistor driver output ensure robust control for synchronous rectification, enhancing efficiency in power conversion systems. Packaged in a 16-pin TSSOP and available in Tape & Reel (TR), it is optimized for surface-mount assembly and high-volume production.

LM27402MHX/NOPB Features

• Wide Input Range (3V–20V): Supports diverse power sources, including batteries and industrial rails.
• Adjustable Frequency (200kHz–1.2MHz): Enables optimization for efficiency or component size.
• Synchronous Rectification: Improves efficiency by reducing conduction losses.
• Advanced Control Features: Includes current limit, enable, frequency control, power good, soft start, and tracking for system flexibility.
• High Duty Cycle (95%): Suitable for low-dropout applications.
• Clock Synchronization: Allows synchronization with external clocks to mitigate noise.
• RoHS3 & REACH Compliant: Meets environmental and regulatory standards.

LM27402MHX/NOPB Applications

• Industrial Power Systems: Ideal for factory automation, PLCs, and motor drives due to its robust design.
• Telecom & Networking Equipment: Provides stable power for routers, switches, and base stations.
• Consumer Electronics: Used in high-efficiency power supplies for displays and set-top boxes.
• Automotive Subsystems: Suitable for infotainment and ADAS where reliability is critical.
• Point-of-Load (PoL) Regulation: Ensures precise voltage delivery for FPGAs, ASICs, and processors.

Conclusion of LM27402MHX/NOPB

The LM27402MHX/NOPB stands out for its versatility, efficiency, and advanced control features, making it a superior choice for modern power designs. Its synchronous rectification, wide input range, and adjustable frequency address key challenges in industrial, automotive, and telecom applications. With TI's reliability and compliance with global standards, this controller is a compelling solution for engineers seeking high-performance power management.

LM27402MHX/NOPB Documents

Download datasheets and manufacturer documentation for LM27402MHX/NOPB

Datasheets :

LM27402      

Reference Design Library :

LM27402SQEVAL: 1.5V @ 20A, 12V in (4.5 ~ 20V)      

Design Resources :

LM27402 Design with WEBENCH® Power Designer      

Other Related Documents :

Power Management Guide      

HTML Datasheet :

LM27402      

PCN Design/Specification :

Cu Wire 21/Mar/2017