LOC110S

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Optoisolators -- Transistor, Photovoltaic Output -- are used to isolate different electrical circuits, while allowing them to communicate optically. T hese devices provide an important function in industrial and commercial applications, especially those involving hazardous environments or where high voltage or currents need to be safely and reliably connected. The LOC110S is a device of this type, and in this article, we will take a look at its applications and its working principle.

The LOC110S is a monolithic opt isolator that is housed in a four-lead package. It has a photovoltaic output and a shielded cup to keep out ambient light. It has a peak case operating temperature range of -55°C to +125°C, an isolation voltage rating of 5,000Vrms, and a collector-emitter voltage of 25V. It also has fast switching times of 1 µs and a 2.8kV/µs common mode rejection ratio.

The LOC110S can be used in a wide variety of applications, including power supplies, telecom systems, medical devices, industrial automation and control, and metering equipment. It is also suitable for applications such as motor control, signal conditioning, and sensing. In all these applications, it provides superior insulation, high-frequency electrical isolation, and accurate signal transmission with low power dissipation, thermal drift, noise, and interference.

The working principle of the LOC110S is based on the principles of opto-isolation. An electrical signal from one circuit is converted into an optical signal by a light emitting diode (LED) and transmitted through an isolation barrier. The optical signal is then converted back into an electrical signal by a phototransistor and applied to the second circuit. The optical signal is necessary since it safely passes through the isolation barrier without the need for electrical contact, which can introduce noise and other inconsistencies. This allows for reliable signal transmission despite potential differences in the two circuits.

The LOC110S also features a photovoltaic output, which means that it produces voltage across its output terminals when illuminated by light or infrared radiation. The amount of voltage produced depends on the intensity of the light, allowing it to be used in applications such as light sensing. Additionally, the device has a shielded cup to keep out ambient light, ensuring consistent operation.

In summary, the LOC110S is an optoisolator of the Transistor, Photovoltaic Output type. It is suitable for use in a wide variety of industrial and commercial applications, providing superior insulation, high-frequency electrical isolation, and accurate signal transmission with low power dissipation, thermal drift, noise, and interference. Its working principle is based on the principles of opto-isolation, and it also features a photovoltaic output for light sensing applications.

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