The IRF6691 is a DirectFET® power MOSFET from International Rectifier (now Infineon Technologies), designed for synchronous rectification and other high-frequency power conversion applications. Its DirectFET® package offers superior thermal performance and low parasitic inductance, leading to high efficiency and power density.

Applications

• Synchronous Rectification: Used in synchronous buck converters to improve efficiency.
• DC-DC Converters: Employed in a variety of DC-DC converter applications.
• Point-of-Load (POL) Conversion: Ideal for POL converters requiring high efficiency and small size.
• High-Frequency Switching: Suited for applications with high switching frequencies.
• Server and Telecom Power Supplies: Used in power supplies for servers and telecommunications equipment.

Features

• DirectFET® Package: Provides excellent thermal performance and minimized parasitic inductance.
• Optimized for Synchronous Rectification: Specifically designed for efficient synchronous rectification.
• Low On-Resistance (RDS(on)): Minimizes conduction losses.
• Low Gate Charge (Qg): Reduces switching losses.
• Trench MOSFET Technology: Enhances performance and efficiency.

Benefits

• High Efficiency: Low on-resistance and gate charge contribute to excellent efficiency.
• Superior Thermal Performance: DirectFET® package allows for efficient heat dissipation.
• Compact Design: Small footprint enables miniaturization.
• Improved Power Density: Delivers high power handling in a small package.
• Enhanced Reliability: Robust design ensures dependable performance.

Additional Details

Proper PCB layout is critical to achieving optimal performance with the IRF6691's DirectFET® package. Consult the Infineon Technologies datasheet for detailed specifications, including thermal resistance, gate charge, drain-source voltage, and continuous drain current. It is designed for surface mount assembly.