SK8603180L Discrete Semiconductor Products

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SK8603180L is a type of single MOSFET. It has three pins: drain, gate and source. The SK8603180L is a N-channel MOSFET, where the majority charge carriers are negative electrons. It has a considered breakdown voltage with a maximum drain voltage of 130V and a drain current of 22A. The on-state resistance is between 14 mOhm and 18 mOhm, depending on the gate voltage.

Due to its bipolar current capability, the SK8603180L is suitable for a number of applications. It can be used for high power DC/DC converters, battery charging and as active or passive rectifiers in voltage regulators. The device can also be used in power amplifiers and audio applications, where its enhanced ESD protection is useful.

Working principle

A MOSFET is a two terminal device that has a gate, channel and a source (hence the MOSFET acronym - Metal Oxide Semiconductor Field Effect Transistor). The gate of the MOSFET is used to control the flow of current between the source and the drain. The gate voltage determines the current flow, and thus the device can act as either a switch or amplifier.

When the gate voltage is "off", the MOSFET is said to be in the "cut off" region, and no current is flowing from the drain to the source. In the "on" state, the MOSFET is said to be in the "saturation" state, and a current flows between the source and the drain. This current is usually limited by the resistance of the channel material, the drain-to source voltage, or the maximum current rating of the device.

The charging and discharging of the gate capacitance is also relevant for MOSFET operation. The device is said to be in its "static" state when the gate capacitance is neither charging nor discharging. Between the static and dynamic states, the device is said to be in "transient" mode and the resulting current is affected by the gate capacitance and the current flowing from the drain to the source.

For the SK8603180L, the gate capacitance is around 125pF when the device is in its static state. This means it needs to be charged up to the required gate voltage before it can properly function.

Applications

The SK8603180L has a wide range of applications, due to its high current capabilities and low on-state resistance. It is commonly used in high power DC/DC converters, battery charging, voltage regulators and audio systems.

In DC/DC converters, the SK8603180L is used to control the current flow between the input and output stages. By changing the gate voltage, the device can act as a switch, ensuring a smooth current flow between the input and output stages. The device is also used in battery chargers, where it is used as an active or passive rectifier for voltage regulation.

In audio systems, the device can be used to amplify the audio signal with minimal power loss. Additionally, its enhanced ESD protection is useful for applications exposed to environmental noise. The device can also be used in power amplifiers, where its high current capabilities are beneficial.

Conclusion

The SK8603180L is a single MOSFET with a high current capability and low on-state resistance. It has a wide range of applications, including high power DC/DC converters, battery charging, voltage regulators and audio systems. Its enhanced ESD protection is useful in environments which are exposed to environmental noise. Overall, the device is an ideal solution for applications requiring high current and low resistance.

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