The SUP85N04-03 is an N-Channel Power MOSFET from Vishay Siliconix. This MOSFET is designed for high-efficiency power switching applications. It features a low on-resistance, which reduces conduction losses, and a fast switching speed, which minimizes switching losses. The combination of these features makes it suitable for a variety of power conversion and control applications.

Applications

• Synchronous Rectification
• DC-DC Converters
• Motor Control
• Load Switching
• Battery Management Systems

Features

• Low On-Resistance: RDS(on) = 3 mΩ (typical) at VGS = 10V
• Fast Switching Speed: Reduces switching losses and improves efficiency.
• Low Gate Charge: Minimizes gate drive requirements.
• Avalanche Rated: Provides robustness against voltage transients.
• Logic Level Gate Drive: Simplifies gate drive circuitry.
• Halogen-Free: Environmentally friendly.

Benefits

• High Efficiency: Low on-resistance minimizes conduction losses, leading to higher efficiency in power conversion circuits.
• Fast Switching: Reduces switching losses, further improving efficiency and enabling higher frequency operation.
• Simplified Design: Logic level gate drive simplifies gate drive circuit design.
• Reliable Operation: Avalanche rating provides robust performance and protection against voltage transients.
• Reduced Component Count: Low gate charge minimizes gate drive requirements.
• Environmentally Friendly: Halogen-free construction ensures adherence to environmental regulations.

Technical Specifications

The SUP85N04-03 has a drain-source voltage (VDS) of 40V, a gate-source voltage (VGS) of ±20V, and a continuous drain current (ID) of up to 85A. The on-resistance (RDS(on)) is typically 3 mΩ at VGS = 10V. The total gate charge (Qg) is typically 25 nC. The device is available in a PowerPAK SO-8 package. The operating temperature range is -55°C to +175°C. The threshold voltage is logic-level compatible.

In summary, the SUP85N04-03 MOSFET offers a compelling combination of low on-resistance, fast switching speed, and robust design, making it an excellent choice for a wide range of power applications. Its logic-level gate drive simplifies design, and its avalanche rating ensures reliable operation in demanding environments.