The IRF7821TRPBF is a synchronous MOSFET from International Rectifier (now Infineon Technologies), optimized for high-efficiency synchronous buck converter applications.

Applications

• Synchronous Buck Converters: Used as the low-side switch in DC-DC converters.
• Notebook Computers: Employed in voltage regulation for CPU and memory power.
• Graphics Cards: Integrated into power delivery systems for GPUs.
• Servers: Utilized in high-efficiency power supplies.
• Point-of-Load (POL) Converters: Used in distributed power architectures.

Features

• N-Channel MOSFET: Provides efficient and fast switching characteristics.
• DirectFET™ Package: Offers superior thermal performance and low parasitic inductance.
• Low On-Resistance (RDS(on)): Minimizes conduction losses and improves efficiency.
• Low Gate Charge (Qg): Reduces switching losses and improves efficiency.
• Optimized for Synchronous Rectification: Designed for efficient operation in synchronous buck converters.

Benefits

• High Efficiency: Low RDS(on) and Qg minimize power losses, resulting in cooler operation and better overall efficiency.
• Improved Thermal Performance: DirectFET™ package provides excellent heat dissipation.
• Reduced Switching Losses: Low gate charge reduces switching losses.
• Simplified Layout: DirectFET™ package allows for optimized PCB layout.
• Enhanced Reliability: Robust design ensures reliable operation in demanding applications.

Additional Details

The IRF7821TRPBF has a drain-source voltage (VDS) rating of 30V. Its continuous drain current (ID) rating is 15A. The on-resistance (RDS(on)) is typically around 7.5 mOhms at VGS = 10V. The gate threshold voltage (VGS(th)) is typically between 1V and 2.5V. It is RoHS compliant and lead-free. The DirectFET™ package offers a low profile and compact footprint. This MOSFET is optimized for switching frequencies up to several MHz. It is designed for use in applications requiring high power density and efficiency.