The IR3853MTRPBF is a synchronous buck regulator from Infineon Technologies, belonging to their SupIRBuck® family. This integrated voltage regulator offers a highly efficient and compact solution for point-of-load power conversion. It integrates the controller, gate drivers, and MOSFETs into a single package, simplifying design and reducing component count. The device is optimized for applications requiring high efficiency, high power density, and precise voltage regulation.

Applications:

• Server power supplies
• Networking equipment
• Storage systems
• FPGA and processor core power
• Point-of-load regulation

Features:

• Integrated synchronous buck regulator
• Input voltage range: 4.5V to 21V
• Output voltage range: 0.7V to 0.9 x VIN
• Continuous output current: up to 12A
• High efficiency: up to 95%
• Adjustable switching frequency
• Overcurrent and overtemperature protection
• Enable and Power Good signals

Benefits:

• High efficiency reduces power losses and heat generation
• Compact solution simplifies design and reduces board space
• Precise voltage regulation ensures stable operation of sensitive loads
• Integrated protection features enhance system reliability
• Adjustable parameters allow for optimization for specific applications

Additional Details:

The IR3853MTRPBF integrates all the necessary components for a synchronous buck regulator into a single package, reducing component count and simplifying PCB layout. The high efficiency of the device minimizes power losses, reducing heat generation and improving system reliability. The adjustable switching frequency allows designers to optimize the regulator for their specific application requirements. Protection features such as overcurrent and overtemperature protection safeguard the device and the load from damage.

The device offers excellent transient response, making it suitable for powering sensitive loads such as FPGAs and processors. The Enable and Power Good signals provide additional control and monitoring capabilities.