STMicroelectronics L5980 Power Converter

The L5980 from STMicroelectronics is a step-down monolithic power switching regulator capable of delivering up to 2A of current with excellent efficiency. This compact and efficient component is designed for a wide range of applications, from consumer electronics to industrial automation systems.

Key Features

• Wide Input Voltage Range: The L5980 can handle an input voltage from 4.5V to 36V, making it suitable for various supply sources, including multi-cell batteries and industrial supplies.
• Adjustable Output Voltage: Users can set the output voltage from as low as 0.6V up to a maximum determined by the input voltage, allowing for a wide range of output options to cater to different needs.
• High Efficiency: With its low R<sub>DS(on) HS and LS internal switches, the device ensures high efficiency across a wide load range. This feature is critical for applications that require long battery life or energy-saving operations.
• Protection Features: The L5980 is equipped with thermal shutdown, current limiting, and overvoltage protection, safeguarding the device and the system against a variety of fault conditions.
• Frequency Synchronization: Through an external synchronization pin, the switching frequency can be synchronized to an external clock, reducing noise and potential interference in sensitive applications.

Applications

The versatility of the L5980 makes it an ideal choice for a wide array of applications, including:

• Distributed Power Systems
• Portable and Battery-powered Equipment
• Networking and Telecom Equipment
• Industrial and Car Audio Systems

Design Support

STMicroelectronics provides comprehensive design support for the L5980, including evaluation boards, application notes, and simulation tools. This support helps designers to quickly incorporate the L5980 into their designs and bring efficient power solutions to the market.