PVI5050N

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Optoisolators are devices that use a light source, typically a light-emitting diode (LED), to couple two isolated electrical circuits. They are an effective solution for applications requiring electrical isolation, such as medical, industrial, and audio/video systems. One of the most popular optoisolator families is the PVI5050N. This device is a complete optoisolator that features a rugged optically coupled transistor output.

The PVI5050N offers several advantages over discrete component solutions. It is a self-contained, surface mount single package device. It is also generally much less expensive than individual components, which makes it a cost-effective solution. The device is hermetically sealed in a plastic DIP package, ensuring reliable operation and mechanical ruggedness. It features close electrical isolation between the input and output, allowing it to be used in safety-critical applications.

The PVI5050N is a photovoltaic optoisolator designed for use in industrial and consumer applications. In a photovoltaic optoisolator, an infrared LED is the emitter and a photodiode is the detector. The photodiode converts the incoming light from the LED into a small current which is then amplified by a transistor. The output of this transistor is then used to drive the circuit.

The major application field of the PVI5050N is in industrial motor speed control, remote switching, protection against overvoltage, and level detection in home appliances and office equipment. It is also often used to provide isolation between logic inputs and outputs. This type of optoisolator can also be used for the supervision of mains voltage.

The PVI5050N offers significant advantages over discrete components, including its compact size (the entire device is only 8.15 x 9.2 mm), low cost, short response time, and good stability. Furthermore, the internal circuit is designed to minimize power loss. The device also features very high input/output isolation, greater than 250Vrms.

The PVI5050N has a working principle based on lightwave technology. It works by using an infrared LED as the emitter, which emits infrared light when a voltage is applied across its terminals. This is detected by a photodiode, which converts the incoming light into an electrical current. This current is then amplified and used to drive the circuit. The device can switch up to 30V and has a maximum load current of 100 mA.

The PVI5050N is designed for applications requiring electrical isolation between the input and output, such as motor speed control, remote switching, protection against overvoltage, level detection in home appliances and office equipment, and isolation between logic inputs and outputs. It is a cost effective, high performance device that offers excellent electrical isolation and a wide range of features.

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