TLP385(GRL-TPL,E

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Optoisolators, commonly known as optical couplers, are a kind of electronic component used to isolate two circuits from each other and provide electrical insulation between them. The TLP385 (GRL-TPL,E) optoisolator is an isolated transistor output photovoltaic optoisolator for use in various applications requiring a high degree of isolation and low-power.

The application field of the TLP385 optoisolator is typically used in the circuitry for remote switching, PC control of external equipment, machinery driving and relays. It can also be used for isolation against ground differences and power supply noise. The TLP385 optoisolator offers superior isolation performance and relies on the intrinsic safety compliance. This makes it suitable for applications that require a higher degree of safety, such as medical and communications equipment.

In terms of its working principle, the TLP385 optoisolator contains a phototransistor transistor with a photovoltaic diode in a dual in-line package. Both the diode and the transistor are blue or green in color but operate independently. The photodiode of the TLP385 optoisolator is non-polarized, meaning that it responds to light waves from both positively and negatively polarized light sources. The phototransistor uses a light source to control the current flowing between its base and the collector.

When the light from the LED strikes the photodiode, the electrons in the diode start to move, which is known as the photoelectric effect. The voltage at the diode falls below the base voltage of the phototransistor, which turns it off. This causes the current through the collector-emitter circuits to cease. When the light is blocked, the reverse happens. The reverse bias voltage flows, allowing current to flow through the collector-emitter circuit.

The TLP385 optoisolator is also able to detect very small changes in light levels. The device operates over a wide range of input voltage and is available in different packages, including surface mount and through hole. It is also available in a single in-line package for higher power applications.

The TLP385 optoisolator\'s low-power design means that it is considerably more efficient than mechanical relays. As a result, it offers a much larger output current for the same input power. It can also be used to control high-power loads without any need for additional circuitry.

The outstanding features of the TLP385 (GRL-TPL,E) optoisolator make it suitable for many applications such as remote switching, motor control, automotive electronics, and industrial automation. The optoisolator also provides superior isolation performance, reliability, and safety, making it an ideal choice for applications that require stringent levels of safety.

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