The TPS51275CRUKT is a high-performance, dual-synchronous step-down controller from Texas Instruments, designed to meet the rigorous power supply requirements of modern electronic devices. This advanced voltage regulator integrates multiple features to offer efficient power management and is suitable for applications in notebooks, ultrabooks, and other portable equipment that require tight voltage regulation and advanced power sequencing.

Key Features

• Wide Input Voltage Range: The TPS51275CRUKT operates with an input voltage range from 3 V to 28 V, making it versatile for various system power rails.
• Dual-Channel Output: It offers two synchronous buck channels with 5-A and 3-A outputs, providing flexibility in powering dual rail systems.
• Adaptive On-Time Control: The device uses an adaptive on-time D-CAP™ control mode to provide a fast transient response, which is crucial for maintaining stable operation during rapid load changes.
• Adjustable Switching Frequency: The switching frequency is programmable from 200 kHz to 2.2 MHz, allowing optimization for efficiency or component size depending on the application requirements.
• High Efficiency: Its high-efficiency design minimizes power loss and heat generation, thereby improving overall system performance and reliability.
• Power Sequencing: The TPS51275CRUKT supports power sequencing requirements with its track function, which is essential for systems with multiple power domains.
• Protection Features: The device includes over-voltage, under-voltage, and over-current protections, enhancing system safety and longevity.

Applications

The TPS51275CRUKT is ideal for use in a wide range of applications, including but not limited to:

• Notebook and ultrabook computers
• Set-top boxes
• Networking and telecommunication equipment
• Portable and battery-powered devices

Package and Availability

This voltage regulator is available in a compact WQFN-20 package, providing a space-saving solution for densely packed PCBs. The TPS51275CRUKT's small footprint and advanced features make it an excellent choice for designers looking to optimize power management in their next-generation electronic products.