The FQD17N08L is an N-Channel MOSFET from Fairchild Semiconductor (now ON Semiconductor) designed for efficient power switching. As part of the QFET® family, it features low on-resistance and gate charge. This MOSFET is suitable for applications requiring high efficiency and fast switching speeds.

Applications:

• Synchronous Rectification: Used in secondary-side rectification to improve efficiency.
• DC-DC Converters: Efficient power conversion in various voltage regulation circuits.
• Power Management in Portable Devices: Suitable for battery management and load switching.
• LED Lighting: Driving LEDs with high efficiency.
• Adaptors: Used in adaptors for laptops and other electronic devices.

Features:

• Low On-State Resistance: Minimizes power loss, increasing efficiency.
• Low Gate Charge: Enables faster switching and reduces switching losses.
• High Drain-Source Voltage: Rated for 80V, suitable for a range of applications.
• Fast Switching Speed: Facilitates high-frequency operation.
• RoHS Compliant: Complies with environmental standards.

Benefits:

• High Efficiency: Reduced power dissipation leads to higher efficiency.
• Improved Thermal Performance: Lower on-resistance means less heat generation.
• Simplified Design: Easy to use in various applications.
• Enhanced Reliability: Robust design ensures stable operation.
• Environmentally Friendly: Complies with RoHS standards.

Additional Details:

The FQD17N08L has a drain-source voltage (Vds) rating of 80V and a continuous drain current (Id) of 17A. The on-state resistance (Rds(on)) is typically 0.045 Ohms at Vgs = 10V. It is available in a TO-251 (IPA) or TO-252 (DPAK) package, which offers good thermal performance. The low gate charge contributes to reduced switching losses and faster switching speeds, making it suitable for high-frequency power conversion. This MOSFET is designed to operate over a wide temperature range, ensuring reliable performance in various environmental conditions. The logic-level gate drive capability allows direct interface with microcontrollers and other low-voltage control circuits.