TLP183(TPL,E Isolators

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Optoisolators - Transistor, Photovoltaic Output are devices used to provide electrical isolation between a low-voltage input signal and a higher-voltage, electrically-isolated output signal. A wide variety of devices are available to meet the requirements of different applications. The TLP183 is a transistor photovoltaic optoisolator designed to provide both voltage and current output levels, making it well-suited for a variety of industrial applications.

Overview
The TLP183 optoisolator features an output transistor with high voltage and current ratings, and is capable of controlling both AC and DC loads. It has an isolation voltage of 5kVrms for 2500V, and a very low 22mW power dissipation for an output load of 1A. It also has a very high common mode rejection ratio (CMRR) of 50dB at 50kHz. The device is available in 4-pin and 6-pin packages.

Input Circuit
The TLP183 optoisolator has a highly efficient input circuit consisting of an infrared LED and a phototransistor. This circuit is capable of controlling both AC and DC loads. The LED is energized by an applied voltage that flows through the transistor. When this voltage is high enough, the LED emits an infrared radiation that is picked up by the phototransistor. The light energy is converted into an electrical current that flows through the transistor, controlling the output.

Output Circuit
The output circuit of the TLP183 is controlled by the phototransistor. It consists of two bipolar transistors (an NPN and a PNP) which are connected in an "H" bridge configuration. The outputs from the phototransistor can drive either NPN or PNP transistors, allowing for bi-directional current flow. The transistor\'s high voltage and current ratings make it suitable for controlling both AC and DC loads.

Applications
The TLP183 is designed to be used in a wide variety of industrial applications, including motor controls, power supplies, modems, industrial automation, and machine tool automation. It is also suitable for use in medical applications, such as Patient Infusion Meter (PIM) and Electronic Drug Infusion (EDI). Additionally, it can be used in industrial and automotive sensor packages, temperature controllers, and level detectors.

Working Principle
The basic working principle of the TLP183 optoisolator is as follows. When a voltage is applied to the LED, it emits an infrared radiation that is picked up by the phototransistor. The light energy is converted into an electrical current that flows through the transistor, controlling the output. The output circuit of the optoisolator consists of two bipolar transistors (an NPN and a PNP) which are connected in an "H" bridge configuration. This allows for bi-directional current flow, allowing the device to control both AC and DC loads.

In summary, the TLP183 optoisolator is a rugged device designed for a variety of industrial applications. It is available in both 4-pin and 6-pin packages and features a highly efficient input circuit consisting of an LED and phototransistor, as well as an output circuit consisting of two bipolar transistors. The device is capable of controlling both AC and DC loads, and has a high voltage and current ratings making it well-suited for a variety of industrial applications.

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