The FDS9958NL is a dual N-Channel PowerTrench® MOSFET from Fairchild Semiconductor (now ON Semiconductor). This device is optimized for high-efficiency synchronous buck converters, load switching, and other power management applications requiring a compact and efficient solution.

Applications

• Synchronous Rectification in DC-DC Converters
• Load Switching
• Power Management in Notebook Computers
• Battery Protection

Features

• Dual N-Channel MOSFET: Integrates two N-Channel MOSFETs in a single package, reducing board space.
• Low RDS(on): Minimizes conduction losses, enhancing efficiency.
• Logic Level Compatible: Designed to be driven directly by logic-level signals.
• SO-8 Package: Provides a compact footprint.

Benefits

• Increased Efficiency: Low RDS(on) reduces power losses, resulting in higher efficiency.
• Reduced Board Space: The dual MOSFET configuration saves valuable board space.
• Simplified Design: Logic-level compatibility simplifies driver circuit design.
• Improved Thermal Performance: Enables efficient heat dissipation.
• Robust Performance: Designed for reliable operation in demanding applications.

Additional Details

The FDS9958NL features a drain-source voltage (VDS) rating of 25V, and a continuous drain current (ID) depending on thermal conditions. Its operating temperature range is -55°C to +150°C. The SO-8 package allows for easy surface mounting. It is especially suited for synchronous rectification in buck converters because of its optimized RDS(on) and gate charge characteristics.