TLP293-4(E

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Optoisolators, or optocouplers, are electronic devices that usually consist of an infrared light-emitting diode (LED), which serves as the input part of the optocoupler, and an output phototransistor whose collector-emitter path may be used to conduct current. They are used to transfer electrical signals across distances while isolating input and output components from one another. The TLP293-4(E) is an optoisolator from Toshiba that uses an infrared LED and a photovoltaic output.

The work of the TLP293-4(E) is simple. It contains an LED on the input end, which is then coupled to the output photovoltaic cell. When the LED is powered by a voltage in the input side, the current then sets up a light barrier between the LED and the output photovoltaic cell. The photons from the LED are then absorbed by the photovoltaic cell, which then creates a potential difference between its anode and cathode. This potential difference causes current to flow within the output side of the optocoupler which can then be used to drive other components connected to it.

The TLP293-4(E) is typically used in applications in which voltage isolation is needed to ensure safe operation. These applications range from communications networks, industrial automation systems, embedded systems, and other electronica systems where precise signals need to be sent without interference. The optoisolator also offers high speed response, with typical propagation delay values of less than 2 microseconds.

As for its technical specifications, the TLP293-4(E) boasts a supply voltage range of 4.5 to 30 volts, a peak forward current of 15mA, a reverse current of 100nA, a forward voltage drop of 1.2 volts, a capacitance of 500pF and a output voltage of 400 mV. In terms of protective features, the optoisolator includes an internal overvoltage protection circuit, a reverse-voltage protection circuit and a peak forward current limiting circuit. It is also RoHS compliant and has a durability of up to 10 million operations.

In conclusion, the TLP293-4(E) optoisolator is ideal for applications that require voltage isolation and quick response times. It offers a wide voltage range, high speed response, and protective measures that keep it safe and reliable. The optoisolator is also RoHS compliant and durable. With its excellent performance and features, the TLP293-4(E) is sure to meet the various needs of many applications.

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