AUIRF3805L

The AUIRF3805L Application Field and Working Principle

The AUIRF3805L is a high voltage Power MOSFET. It belongs to the silicon family of single power V MOSFETs, designed to meet the requirements of a wide variety of applications. The AUIRF3805L is generally used in applications where power switches need to be controlled. Typical applications include motor control, lighting control, and audio. In terms of applications, the AUIRF3805L is used in AC/DC motor control, DC motor control, switching power supplies, hot-swap controllers, and load-switching applications.

Working Principle

The AUIRF3805L is an enhancement-type power MOSFET. As the voltage of the gate is increased, the field effect increases the conductivity between the source and drain. This causes the electrical resistance between drain and source to decrease. This can be used to control the amount of current that is conducted by the MOSFET, for applications such as motor control and other voltage-controlled switching applications.

The AUIRF3805L also has an internal self-protection feature. This feature helps protect the device from over-voltage or short circuit caused by an increase in voltage between the source and the drain. This feature allows it to survive in the event of an overload or overvoltage situation.

Features

The AUIRF3805L has a very low RDS(on) compared to most competitors. This results in low power consumption and higher efficiency in deriving power from gate to drain. It has a very small package size, making it ideal for applications with limited space.

The AUIRF3805L also has a high CGS and CGD, allowing for excellent attenuation of switching noise and very low gate capacitance. This helps ensure that even at high frequencies the device can be switched quickly, and with minimal ringing or noise. Additionally, it has a very low operating temperature, meaning that it does not dissipate heat easily and can be cooled more effectively.

Overall, the AUIRF3805L is a reliable, cost-effective solution for various applications in the power supply, motor control, and audio industry. Its features make it a great choice for switching voltage, quickly and with minimal noise.

Conclusion

The AUIRF3805L is a single power MOSFET with a high voltage rating. It is generally used in applications where power switching and motor control are necessary. It has an internal self-protection feature, a low operating temperature and a low RDS(on). Additionally, it has a high CGS and CGD and small package size. These features make the AUIRF3805L a reliable and cost-effective solution for many applications.