LOC117STR

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Optoisolators are electrical devices that provide electrical isolation between two circuits using light energy. The first optoisolator, invented in 1968, was made up of an LED and a photovoltaic cell. It used light to transfer energy and signals between two separated circuits. Over the years, optoisolators have become increasingly sophisticated and now come in a variety of different configurations. One such type is the LOC117STR optoisolator, which is a transistor, photovoltaic output optoisolator.

The LOC117STR optoisolator is commonly used to isolate signals in automotive applications, digital logic circuits, and industrial process control systems. It has an input power rating of 3V, and an output power rating of 5VDC. It also has a widesurge capability of up to 100V. This makes it especially suitable for automotive applications, where voltage spikes are common.

The working principle of theLOC117STR optoisolator is based on a light emitting diode (LED), which is optically coupled to a photovoltaic cell. The LED is electrically driven by an input voltage, which causes it to emit light. This light is then detected by the photovoltaic cell, which generates a voltage output. This output voltage is then used to drive a transistor, which is connected to the output circuit. The entire process is housed within a single package, providing excellent electrical isolation between the input and output circuits.

The LOC117STR optoisolator provides up to a 40dB isolation rating at 1MHz, and has excellent EMI suppression characteristics. It has a typical rise/fall time of 5ms and a frequency response of 50kHz to 1MHz. It also has a low power consumption of 2 mW, making it ideal for use in battery-powered applications. The output voltage swing is typically 5V, although it can also be adjusted to meet specific application requirements.

The LOC117STR optoisolator is also equipped with a built-in thermal protection circuit, which prevents it from being damaged due to excessive temperatures. This ensures reliable and safe operation even in extreme temperature environments.

Overall, the LOC117STR optoisolator is a highly reliable and efficient device, and is widely used in a variety of different applications. It has a wide operating range, and offers excellent electrical isolation and EMI suppression. In addition, its built-in thermal protection circuit ensures reliable and safe operation even in extreme temperatures.

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