The LM25117PSQX is a sophisticated synchronous buck controller designed by Texas Instruments, a global leader in semiconductor solutions. This component is engineered to cater to a wide array of power supply applications, offering a versatile and efficient approach to voltage regulation.

Key Features

• Voltage Range: The LM25117PSQX operates over an input voltage range of 4.5V to 42V, making it suitable for use in various systems, from automotive to industrial applications.
• Output Current: While the device itself does not deliver current, it is capable of controlling power stages that handle significant output currents, depending on the external components selected.
• Efficiency: Thanks to its synchronous buck architecture, the LM25117PSQX can achieve high conversion efficiency, reducing thermal stress and improving system reliability.
• Adjustable Switching Frequency: The switching frequency of the controller is adjustable between 50 kHz and 750 kHz, allowing designers to optimize the performance of their power supply for size, efficiency, and component cost.
• Protection Features: It includes a suite of protection features such as over-voltage, under-voltage, over-temperature, and short-circuit protection, ensuring the safety and longevity of the end application.

Applications

The LM25117PSQX is well-suited for a variety of applications, including:

• Automotive power systems
• Industrial and telecom power supplies
• Point of load conversions
• Distributed power systems

Package and Availability

The device is offered in a 24-pin PowerPAD™ QFN package, which is designed to enhance thermal performance. The compact form factor of the LM25117PSQX makes it an ideal choice for space-constrained applications. For pricing, purchasing information, and detailed specifications, customers can visit the Texas Instruments website or contact authorized distributors.

By integrating the LM25117PSQX into their designs, engineers can leverage Texas Instruments' expertise in power management to create robust, efficient, and high-performance power supply systems.