STD5N80K5 Discrete Semiconductor Products

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The STD5N80K5 is a N-Channel MOSFET transistor which has its production by STMicroelectronics. The STD5N80K5 is used in universal, logic level, portable, and desktop applications. There are many features of the STD5N80K5 which makes it an excellent choice for devices requiring high current switching such as mobile phones, power supplies, automotive modules, Industrial OEM systems, plus others.

Applications

The STD5N80K5 offers a variety of features, making it very versatile. It is mainly used in applications such as power switches, low voltage power supplies, battery charge/discharge controllers, LED lighting controllers, DC motor drivers, servo motor drivers, audio drivers, and more.

Due to its excellent switching capability, the STD5N80K5 is also used in telecommunication products such as LAN switches, Wi-Fi access points, and xDSL modems. Additionally, it can be found in consumer products like white goods, set-top boxes, game consoles, DVD players, BMSUs, and more.

Features of the STD5N80K5

There are a number of features that make the STD5N80K5 so versatile and reliable. Firstly, it is a logic level device which operates in depletion mode, meaning that its gate voltage is used to turn it on or off. Additionally, it features a very fast turn-on time, reducing application power losses without compromising performance. Its wide operation range of 8V-20V also makes it well suited for medium voltage applications.

Other features which set the STD5N80K5 apart include its wide safe operating area, low on-state resistance, and low gate charge. Additionally, it offers significant reduction in power losses, allowing higher efficiency in various applications. Plus, it is capable of operating at temperature limits of between -55 to +175 degrees celsius.

Working Principle of the STD5N80K5

The working principle of the STD5N80K5 is relatively simple. When the gate voltage is below the threshold voltage, the channel is in the off-state and no current flows through the channel. As the gate voltage passes the threshold, the channel opens and current flows through the drain-source region and the transistor is in the on-state. Due to the high doping concentration, the channel only needs a small gate voltage to turn it on, which is why it is a logic level transistor.

The drain-source voltage of the STD5N80K5 starts to increase as soon as the gate voltage reaches the threshold voltage, which is why the drain-source voltage should not be too high while the transistor is in the off-state. If the gate voltage is higher than the drain-source voltage by more than the absolute maximum rating of the device, then the device will be damaged, so it is important to be aware of this.

Conclusion

The STD5N80K5 is a versatile logic level N-Channel MOSFET transistor produced by STMicroelectronics. It offers a wide range of features that make it suitable for many applications. These include power switches, low voltage power supplies, battery charge/discharge controllers, LED lighting controllers, DC motor drivers, servo motor drivers, audio drivers, and more. Additionally, its wide operation range and excellent switching capability make it an excellent choice for devices requiring high current switching.

The working principle of the STD5N80K5 is quite simple. When the gate voltage passes the threshold voltage, the channel opens and current flows through the drain-source region, allowing the transistor to be in the on-state. It is important to be aware that the gate voltage should not be higher than the drain-source voltage by more than the absolute maximum rating of the device, as this can cause damage.

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