HCPL2730SV

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Optoisolators are a type of input-output device used in electronic circuits as an interface between different circuits that are not necessarily at the same potential. Optoisolators are also used to reduce the risk of ground loops and electrical noise by providing an electrical isolation barrier. One of the most common optoisolators is the HCPL2730SV, which is a transistor-photovoltaic output, manufactured by Avago Technologies. This optoisolator is a single channel, 6-pin DIP with a very low 1.2 mA holding current. The HCPL2730SV has a variety of different applications, all of which benefit from its reliable isolation of electronic components.

Working Principle

The HCPL2730SV is a transistor-photovoltaic output, which means it works on a photovoltaic principle. This optoisolator uses a phototransistor to emit light through the use of a photo-emitting diode inside the case. This light is modulated by an external voltage, current, or both. The light emitted by the phototransistor then reaches the photodiode, which converts it into electrical energy. This electrical energy is then used to turn on an output transistor, which allows a current to flow from the ground to the output terminals of the opto-isolator.

Application Field of HCPL2730SV

The HCPL2730SV is a versatile optoisolator ideal for applications where a high level of electrical isolation is needed. The most common applications include gating signals for thyristors, noise suppression, and interfacing between digital and analog circuits. In addition, this optoisolator can be used to provide protection against electromagnetic fields, which can interfere with the working of other electronic components. One of the key advantages of the HCPL2730SV is its ability to provide galvanic isolation up to 4000Vrms.

The HCPL2730SV can also be used as a driver for relays and read-write heads, as well as in low voltage applications such as dimming LED lighting. Additionally, its low cost and long life make it an ideal candidate for cost-effective applications where isolation is required. Some of its other applications include switching off power supply relays, isolating amplifiers, and controlling a motor.

Conclusion

The HCPL2730SV is a transistor-photovoltaic output optoisolator manufactured by Avago Technologies. This optoisolator is used to provide electrical isolation between circuits, and can also be used as a driver for relays and read-write heads. It is a cost-effective solution for applications that require up to 4000Vrms of galvanic isolation. The HCPL2730SV is an ideal choice for applications such as gating signals for thyristors, noise suppression, and interfacing between digital and analog circuits.

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