ACPL-K376-000E

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The ACPL-K376-000E is classified as an optoisolator, specifically a transistor photovoltaic output device. An optoisolator is a type of electrical isolation circuit, which allows for communication between two circuits while providing protection from electrical damage.

The ACPL-K376-000E is designed for voltage isolation applications in DC/AC or DC/DC converter applications, such as power supplies. It has the ability to isolate up to 3kVrms, assuming a signal voltage of 5 VDC. This device has both Cree ultra-low-input current (0.7mA typical) and fast response time (typical rise and fall times of 3 to 5 microseconds). It also has a wide symmetrical pulse response (2 μs-5 μs) and a very tight output current distribution (0.7mA-1mA). Furthermore, it is able to withstand high electrical buildup due to its overvoltage protection circuit (OVP) that can protect against high common mode voltages up to 4kV.

The working principle behind the ACPL-K376-000E involves four major components. The first component is an LED light source, which generates a stream of photons when excited. The second component is a photosensitive element, which translates the photons into electrical energy. The third component is a transistor, which amplifies the electrical energy and provides high-speed current control. Finally, the fourth component is the isolation barrier, which helps prevent electrical signals from crossing between two isolated systems.

The LED emits photons when a high frequency electrical waveform is delivered to its input pins. The photons travel through an optical channel to the detector, where they are converted into electrical energy. The electrical energy is then amplified by the transistor and transferred through the isolation barrier. Finally, it is output to the load. The isolated barrier provides complete electrical isolation, protecting both the input and output side of the optocoupler from electrical noise and other interferences.

The ACPL-K376-000E is an ideal device for applications needing high voltage isolation, input control capability, fast rise and fall times, and wide symmetrical pulse response. It is also capable of sustaining high common mode voltages and is designed for safe operation in the presence of ESD and overvoltage events.

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