LOC110STR Isolators

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The LOC110STR or its full name of Local- Oscillator 110STR is an optically isolated output transistor that provides a safe current split of 110W per channel in a wide range of applications. In this article, we will be looking at the application field and working principle of the LOC110STR.

Applications

The LOC110STR can be used in a variety of different applications. One of the most common is for isolation from high voltage sources. As the LOC110STR separates the input current from the output current, it allows for voltage levels to be manipulated across the two ports without risking shock or damage. As such, this makes it ideal for sensing and controlling heavy loads, like in motor drives, power supplies and industrial machinery.

Another application of the LOC110STR is in electrical noise reduction. As the input electrical signals are isolated by an optocoupled transformer, it limits the amount of noise that is transmitted to the output. This makes the signal more pure, and therefore accurate. The LOC110STR is also often seen in medical imaging systems, where the opto-isolator helps to limit electric shock and reduce noise interference when measuring vital signs.

Working Principle

The working principle of the LOC110STR is similar to that of other optoisolators. It features a light-sensitive semiconductor as the input, which, when light passes through, generates a small electrical current. This current passes through an isolation transformer, which splits into two opposing currents, one on each side. The output consists of a photovoltaic transistor, which is responsible for the control of the output voltage and current.

To provide 110 watts of power per channel, LOC110STR utilizes a combination of the photovoltaic transistor and an isolation transformer. The isolation transformer is assembled in such a way that it successfully splits the DC side current into two and is capable of passing up to 110 watts of power. The photovoltaic transistor works as a switch to control current flow and voltage levels in the output port, ensuring that the output voltage and current is regulated as per the input.

The LOC110STR is an ideal solution for isolation and protection from high-voltage sources and electrical noise. Its wide range of applications, from motor drives and industrial machinery to medical imaging systems makes it a versatile and cost-effective opto-isolator. Its use of an isolation transformer and photovoltaic transistor enables it to provide 110 watts of power per channel safely and reliably.

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