The FDD3N50NZ is an N-Channel MOSFET from Fairchild Semiconductor (now ON Semiconductor), designed for high-efficiency power switching applications. This MOSFET leverages advanced PowerTrench® technology to deliver a low on-resistance (RDS(on)) and gate charge (Qg), minimizing conduction and switching losses. It is designed for optimal efficiency in various power conversion circuits.

Applications

• Power supplies
• DC-DC converters
• Motor control
• Uninterruptible power supplies (UPS)
• Synchronous rectification

Features

• Low RDS(on): Reduces conduction losses and improves overall efficiency.
• Low gate charge (Qg): Minimizes switching losses, enabling higher frequency operation.
• Avalanche rated: Provides robustness and reliability under transient conditions.
• High ruggedness: Ensures stable operation under challenging electrical environments.
• RoHS compliant: Meets environmental standards.

Benefits

• Increased efficiency: Low RDS(on) and Qg contribute to higher overall system efficiency, reducing energy consumption and heat generation.
• Improved thermal performance: Lower power dissipation allows for smaller heatsinks or fanless operation.
• Enhanced reliability: Avalanche rating and ruggedness provide greater tolerance to voltage spikes and transients.
• Simplified design: Easy to drive and implement in various power conversion topologies.
• Reduced system cost: Optimized performance minimizes the need for complex control schemes and additional components.

Additional Details

The FDD3N50NZ features a drain-source voltage (VDS) rating of 500V and a continuous drain current (ID) rating of 2.3A. It is available in a TO-252 package, facilitating efficient heat dissipation. The gate threshold voltage (VGS(th)) is typically around 3V. Its fast switching speed is suitable for high-frequency applications. PowerTrench® MOSFET technology significantly improves the device's switching performance and reduces on-state resistance. It is suitable for both hard-switching and soft-switching applications.