HCPL2531S

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Optoisolators, also known as optocouplers, are devices that electrically isolate two sections of an electrical circuit. They allow current to flow between the two sections, while also physically separating the sections. The HCPL2531S is a type of optoisolator that is designed for transistor, photovoltaic output applications. It features high performance, high voltage, low input current, and a temperature range of -55 to +150 degrees C.

The isolator’s circuitry is comprised of a light-emitting diode (LED) and a phototransistor. The LED is driven by a voltage across the LED terminal, emitting light in the near-infrared range. This light is detected by the phototransistor, which uses the light to switch its collector-emitter current on or off. As the LED is illuminated, the phototransistor is activated.

The LED is driven by an input voltage, which can range from 5.0V to 16.0V. It is designed with an LED current of 50mA, and features a maximum collector current of 50mA. It also has a minimum collector-emitter saturation voltage of 0.2V, and an open-collector output. The LED emission wavelength is 850nm, and the phototransistor response time is 40ns. The device features a 50dB common mode

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