FDS3682

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FDS3682 Application Field and Working Principle

FDS3682 is a hugely popular MOSFET (metal oxide semiconductor field effect transistor) manufactured and sold by Fairchild Semiconductor. It is a dual N-Channel Enhancement Mode MOSFET. This type of MOSFET can be used for various tasks including power conversion, signal processing and switching.

Application Field

FDS3682 operates in logic level system. It can be used to drive loads such as motors and relays. This MOSFET is ideal for switches, relays and other power-controlling applications, as it has a very low On-Resistance. This also makes it ideal for applications such as DC-DC converters and buck converters, which require high current switching with high efficiency. Its other common applications include DC motor driver circuits, PWM applications and light dimming applications.

FDS3682 can also be used for on/off control and thermal protection for a variety of applications ranging from appliances to heating and cooling systems. It is particularly useful for high-performance switching, as it only requires one step to switch from ON to OFF. In addition, it has an extremely low static drain-source ON resistance.

Working Principle

A transistor is a semiconductor device that works on the principles of conduction and amplification. A MOSFET is an example of a transistor. MOSFETs work on the principle of allowing current to flow through an external gate, when the gate is open, and blocking current when the gate is closed.

The FDS3682 is a N-channel MOSFET, which means it has three terminals, the source, drain and gate. When the gate terminal is open and the drain and source terminals are connected, current will flow from the drain to the source. In order for the gate to open, a voltage must be applied to the gate. When the gate voltage is high enough, a channel is created between drain and source and current flows.

The FDS3682 is an enhancement mode MOSFET, which means that it does not require a high gate voltage to turn on. It will turn on at a gate voltage of as low as 2V. This makes it ideal for low voltage applications.

When the current passing through the drain and source is greater than 2A, the MOSFET will begin to heat up. To prevent this from happening, the FDS3682 has a thermal protection system that will shut off the gate voltage when the temperature reaches a certain point. This will prevent the MOSFET from overheating.

Conclusion

The FDS3682 MOSFET is a highly versatile transistor that is suitable for a range of applications including power conversion, signal processing and switching. Its low On-Resistance, thermal protection system and enhancement mode make it ideal for high performance switching. It is a cost-effective solution for many applications due to its low power consumption and reliable operation.

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