Texas Instruments

LM5116MH

LM5116MH Description

The LM5116MH from Texas Instruments is a high-performance buck DC-DC switching controller designed for wide input voltage (6V to 100V) applications. This surface-mount device integrates a synchronous rectifier, enabling efficient power conversion with minimal external components. It features a single-output, positive configuration and supports 200kHz or 535kHz switching frequencies, making it versatile for various power supply designs. The LM5116MH is EAR99 and HTSUS 8542.39.0001 compliant, ensuring broad regulatory compatibility. Its active status and robust bulk packaging make it suitable for industrial and automotive applications requiring high reliability.

LM5116MH Features

• Wide Input Range (6V–100V): Ideal for harsh environments with fluctuating voltage levels.
• Synchronous Rectification: Enhances efficiency by reducing conduction losses.
• Adjustable Switching Frequency (200kHz/535kHz): Balances performance and EMI considerations.
• Advanced Control Features: Includes enable, frequency control, ramp, and soft-start for precise power management.
• Clock Synchronization: Allows synchronization with external clocks to mitigate noise.
• Single-Output Transistor Driver: Simplifies design while supporting high-current loads.
• Compact Surface-Mount Package: Saves board space in space-constrained applications.

LM5116MH Applications

The LM5116MH excels in:

• Industrial Power Systems: For motor drives, PLCs, and automation equipment requiring wide Vin tolerance.
• Automotive Electronics: Supports 12V/24V/48V battery systems with high transient immunity.
• Telecom Infrastructure: Efficiently powers base stations and networking hardware.
• Renewable Energy: Suitable for solar/wind power converters due to its high-voltage capability.
• LED Lighting Drivers: Provides stable current for high-brightness LED arrays.

Conclusion of LM5116MH

The LM5116MH stands out for its wide input range, synchronous rectification, and flexible switching frequency, making it a superior choice for demanding DC-DC applications. Its integration of critical control features reduces external component count, while its robust design ensures reliability in industrial, automotive, and renewable energy systems. Engineers seeking a high-efficiency, high-voltage controller with minimal footprint will find the LM5116MH an optimal solution.