Onsemi FDS86267P N-Channel PowerTrench MOSFET: Datasheet, Application Circuit, and Pinout Configuration

The Onsemi FDS86267P is an N-Channel MOSFET leveraging advanced PowerTrench® technology, designed to deliver high efficiency and robust performance in power management applications. This MOSFET is optimized for low on-resistance and fast switching speeds, making it an ideal choice for a wide range of DC-DC conversion and power switching tasks. Its key specifications include a drain-to-source voltage (Vds) of 30V and a continuous drain current (Id) of 16A, ensuring reliable operation under high-load conditions.

Datasheet Overview

The datasheet for the FDS86267P provides comprehensive details on its electrical characteristics, performance graphs, and absolute maximum ratings. Critical parameters include an extremely low on-resistance (Rds(on)) of just 2.6mΩ at 10V gate drive, which minimizes conduction losses and improves overall system efficiency. The device also features a low gate charge (Qg) and superior thermal performance, enabling high-frequency switching without significant power dissipation.

Application Circuit

A typical application circuit for the FDS86267P is in synchronous buck converters, where it is often used as the low-side switch. Its fast switching capability and low Rds(on) are crucial for reducing dead time and improving converter efficiency. The circuit design must include proper gate driving techniques, such as using a dedicated MOSFET driver IC to ensure rapid turn-on and turn-off, thereby avoiding shoot-through currents. Additionally, adequate decoupling and thermal management are essential for maintaining stability and reliability.

Pinout Configuration

The FDS86267P is available in a SO-8FL package, which offers a compact footprint and enhanced thermal characteristics. The pinout configuration is as follows:

- Pins 1, 2, 3: Source (S)

- Pin 4: Gate (G)

- Pins 5, 6, 7, 8: Drain (D)

This configuration allows for effective power dissipation and simplifies PCB layout by providing multiple connections for drain and source terminals.

ICGOODFIND: The Onsemi FDS86267P stands out for its exceptional efficiency and reliability in power applications, thanks to its low Rds(on) and fast switching performance. It is particularly suited for modern computing, automotive, and industrial systems where space and energy efficiency are critical.

Keywords:

PowerTrench MOSFET, Low Rds(on), Synchronous Buck Converter, SO-8FL Package, Fast Switching