FDS8449 Discrete Semiconductor Products

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The FDS8449 is an N-Channel Advanced trench MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) designed for switching and linear applications. It is ideal for low circuit losses in higher current and voltage applications, as well as for applications where short switching times and high switching speeds are needed. The FDS8449 is engineered for improved performance in terms of lower losses, better thermal behavior, improved switching and linear properties such as low gate charge, low gate resistance and fast switching times.

The FDS8449 is an enhancement type MOSFET, meaning the drain current is controlled by the gate-source voltage. The drain current is enhanced by the presence of gate source voltage and decreased by the decrease of this voltage. It is a 3-terminal device with source, gate and drain. The gate connection has very low input capacitance, making it ideal for high-frequency switching applications when combined with a fast switch driver. The FDS8449 is also known as an advanced trench MOSFET due to its trench gate construction, which reduces on-state resistance and gate charge.

The FDS8449 can operate within a voltage range of -20V to +20V and a current range of -20A to +20A. It has a maximum drain-source breakdown voltage of 300V and a channel-to-source breakdown voltage of 30V. The CMOS Gate Driver features an adjustable Dead Time Control (DTC) that helps to optimize system efficiency. The FDS8449 is also rated for high temperature operation (up to 175°C) and the package type is TO-252.

The FDS8449 can be used in a variety of applications such as DC-to-DC converters, motor controllers, power supplies, uninterruptible power supply (UPS) systems and other power automation systems. It can also be used in home appliances, automotive as well as industrial applications. It is suitable for various usage levels, ranging from light load switching to heavier load switching up to several kilowatts.

The working principle of the FDS8449 is based on the MOSFET technology. When a gate-source voltage is applied to the gate terminal, it forms a conductive channel between the source and drain terminals. When the voltage is increased a certain amount, this channel is fully opened and the drain current is approaching a saturation state. By controlling the gate voltage, the FDS8449 can be turned on and off, allowing for fast switching and precise control of the current flow.

In addition, the FDS8449 has a low on-state resistance, allowing for efficient power transfer with reduced power dissipation. The FDS8449 also features fast switching speeds and low capacitance, allowing for high-speed operation. The package ideally allows the use of a single heat sink that includes both the MOSFET and the driver. The CMOS Gate Driver allows for adjustable dead time control, which helps to optimize system efficiency.

The FDS8449 is a versatile single N-Channel advanced trench MOSFET with a wide range of applications, including DC-to-DC converters, motor controllers and power supplies. It offers a variety of performance benefits, including low on-state resistance, fast switching, low input capacitance and low gate charge. Its integrated CMOS Gate Driver helps to optimize system efficiency and its wide voltage and current range make it suitable for a variety of applications.

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