LM2854MHX-500/NOPB - Texas Instruments

The LM2854MHX-500/NOPB from Texas Instruments is a highly efficient, synchronous monolithic buck regulator featuring a fixed frequency pulse-width modulation (PWM) architecture. Designed for a range of applications, this power management integrated circuit (IC) is capable of driving a 500mA load with excellent line and load regulation.

Key Features

• Versatile Input Voltage: The device operates from an input voltage range of 2.9V to 5.5V, making it suitable for various applications, including portable and battery-powered devices.
• High-Efficiency: With its synchronous switching design, the LM2854MHX-500/NOPB can achieve efficiencies up to 95%, reducing the need for heat sinks and simplifying thermal management.
• Adjustable Switching Frequency: The IC offers a selectable switching frequency from 550kHz to 1.5MHz, allowing designers to optimize the size of the external components and the performance of the application.
• Integrated Features: The regulator integrates internal switches and compensation components to minimize external part count and simplify the design process.
• Protection Mechanisms: It includes built-in thermal shutdown, cycle-by-cycle current limit, and under-voltage lockout (UVLO) features to ensure safe operation under abnormal conditions.
• Small Package: Housed in a compact 14-pin TSSOP package, the LM2854MHX-500/NOPB saves board space and is ideal for space-constrained applications.

Applications

The LM2854MHX-500/NOPB is designed to meet the needs of a wide range of applications, including but not limited to:

• Point of Load (POL) conversions
• Networking and telecommunications equipment
• FPGAs, DSPs, and microprocessor power supplies
• Battery-powered devices
• Consumer electronics

With its combination of features, the LM2854MHX-500/NOPB offers a compact, efficient, and reliable solution for modern electronic power supply requirements. Its robust protection features and high efficiency make it an excellent choice for designers looking for a power management solution that can handle the demands of today's electronic devices.