The TPS56428RHLR is a high-performance, adaptive on-time D-CAP2 mode synchronous buck converter from the renowned manufacturer, Texas Instruments. This cutting-edge power management integrated circuit (IC) is designed to deliver efficient, fast, and stable voltage conversion for a variety of applications, including consumer electronics, networking, industrial, and automotive systems.

Key Features

• Input Voltage Range: The TPS56428RHLR operates with an input voltage range of 4.5V to 18V, making it versatile for various power supply scenarios.
• Output Voltage: It provides an adjustable output voltage that can be configured from 0.76V to 7V to cater to a wide array of device requirements.
• High Efficiency: With its integrated 44mΩ high-side and 19mΩ low-side MOSFETs, it ensures high efficiency at load currents of up to 4A.
• Thermal Management: The device is available in a thermally enhanced 14-pin VQFN package, which aids in better heat dissipation for reliable operation under varying conditions.
• Protection Features: It includes a suite of protection features such as overcurrent protection (OCP), overvoltage protection (OVP), and thermal shutdown to ensure the safety and longevity of the end application.

Applications

The TPS56428RHLR is ideal for powering complex digital loads such as microprocessors, FPGAs, and ASICs. Its fast transient response and precision voltage regulation make it particularly suited for sensitive applications that require a stable power supply.

Design Flexibility

Engineers will appreciate the ease of design offered by the TPS56428RHLR. The D-CAP2 mode eliminates the need for external compensation, simplifying the design and reducing the external component count. Its adjustable switching frequency from 340 kHz to 1.2 MHz allows optimization between efficiency and component size.

Quality and Reliability

Texas Instruments is known for its commitment to quality and reliability, and the TPS56428RHLR is no exception. It is designed to meet the rigorous standards required by modern electronic systems, ensuring long-term performance and stability.