MOC8080300

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Optoisolators - Transistor, Photovoltaic Output

The MOC8080300 is an optoisolator that consists of a phototransistor output driver and a photo IC. It is capable of transferring signals between two different electrical circuits, while preventing interaction between the two. By separating input and output, it provides electrical isolation and can be used in applications that require a high degree of isolation with a low cost and small footprint. The device can handle logic signal levels both on the input and output, so it can be used to drive different logic families as well as analog applications.

Application Field

MOC8080300 devices are most often used in the following applications:

• Data, signal and power isolation.
• Isolating a device from incoming noise.
• Pulse transformer.
• Isolating ground loops.
• Isolating motor control circuits.
• Isolating communications circuits.
• Controlling analog signals.
• Low-voltage switch driving.

Working Principle

The MOC8080300 optoisolator consists of two parts: a photo IC and a phototransistor. The device transfers signals between its input and output circuits, allowing the two circuits to interact without direct electrical contact between them.

The photo IC is comprised of an LED, which is the input side of the optoelectronic device. When an electrical signal is applied to the device, it flows through the LED, causing it to emit light. This light is then detected by a phototransistor at the output side of the device, which switches on and provides an electrical output signal. Due to the isolation between the input and output circuits, the two circuits do not interact directly, providing electrical isolation and protection from high voltages.

As mentioned before, the MOC8080300 is capable of handling logic signal levels both on the input and output, making it versatile enough to be used for different applications. It is also capable of controlling analog signals, allowing for a wide range of applications.

Conclusion

The MOC8080300 is a reliable optoisolator that is capable of transferring signals between two different electrical circuits, while providing electrical isolation and protection from high voltages. This makes it ideal for a wide range of applications, such as data and signal isolation, isolating ground loops, controlling analog signals, and low-voltage switch driving.

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