The FDB6688 is a robust N-Channel MOSFET designed for high-efficiency power management applications. Manufactured by Fairchild/ON Semiconductor, it offers a combination of low on-state resistance (Rds(on)) and fast switching speed, making it suitable for a wide range of power conversion and control systems.

Applications

• Synchronous Rectification
• DC-DC Converters
• Power Supplies
• Motor Control
• Battery Management Systems

Features

• Low Rds(on) : Rds(on) = 0.010Ω @ VGS = 10V
• High Current Capability: Id = 50A
• Low Gate Charge: Qg = 25nC (Typ)
• Fast Switching Speed
• RoHS Compliant

Benefits

• Improves system efficiency by reducing conduction losses.
• Enables high-power applications with its high current handling capability.
• Minimizes switching losses due to its low gate charge.
• Offers fast response times in dynamic power control systems.
• Complies with environmental regulations.

Technical Specifications

The FDB6688 is an N-Channel enhancement mode MOSFET with a drain-source voltage (Vds) rating of 30V and a continuous drain current (Id) rating of 50A. Its on-state resistance (Rds(on)) is typically 0.010Ω at a gate-source voltage (Vgs) of 10V. The typical gate charge (Qg) is 25nC, contributing to reduced switching losses. The device typically comes in a TO-263 package. The gate threshold voltage typically falls between 1V and 3V.

This MOSFET is particularly suitable for synchronous rectification in power supplies and DC-DC converters where low conduction losses are essential for maximizing efficiency. Its high current capability allows it to handle demanding loads. The fast switching speed enables the use of higher switching frequencies, reducing the size and cost of passive components. Proper thermal management is crucial to ensure reliable operation. The designer should consult the datasheet for detailed specifications and application recommendations. The low gate charge improves efficiency in high frequency applications.