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AUIRFSL6535 application field and working principle

The AUIRFSL6535 is a single N-channel enhancement-mode plastic-packaged vertical DMOSFET which has been designed by International Rectifier Corporation for general low-voltage high-efficiency application. It is mainly used in various power supplies such as switching mode power supplies (SMPS), AC/DC converters, DC/DC converters, battery chargers, DC/AC inverters, motor drivers and induction heaters, etc.

The AUIRFSL6535 has various features,including low on resistance, low gate drive & threshold voltage and low turn-on voltage, so it can be used to reduce conduction losses and meet the energy-saving requirement of modern power supplies. It also has excellent thermal performance, high avalanche resistance and high punching voltage, so it permits the operation of isolated converters with high efficiency. And its high frequency operation ability makes it possible to drive motors with high efficiency and significantly reduce the size and cost of the motor drive systems.

The working principle of the AUIRFSL6535 is relatively simple. When a bias voltage is applied to the gate, it will create inversion channel in the channel region which carries the drain-source current. The drain-source current (ID) and the channel voltage (VDS) is controlled by the current through the gate (IG). At the same time, the gate is isolated by the thick insulating layer to prevent the gate from being shorted and ensure the safe operation of the device.

In conclusion, the AUIRFSL6535 has various advantages such as low on resistance, low gate drive & threshold voltage, low turn-on voltage and excellent thermal performance, so it can be widely used in the power supply system. Moreover, the working principle of AUIRFSL6535 is relatively simple and easy to understand.

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