TLP385(D4GL-TL,E

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Optoisolators are optoelectronic devices which are used to isolate electrical circuits from each other. This is done by using a light-emitting component such as an LED and a photosensitive component such as a photodiode or phototransistor. Optoisolators provide galvanic isolation between different electrical systems, providing a way to prevent high voltage or electrical noise from damaging sensitive components. The TLP385 optoisolator is an example of a transistor, photovoltaic output optoisolator, and has a variety of applications in different industries.

The TLP385 has a maximum isolation voltage rating of 2500Vrms and a data transfer speed of 0.2 to 0.4 microseconds. It consists of a LED, an integrated high-gain photodetector, and a Darlington-output phototransistor on one chip. The optoisolator is encapsulated in a six-pin epoxy body which provides a compact package size while also providing excellent insulation from external noise. The TLP385 can operate over a wide temperature range of -40 to +85 degrees Celsius with a power dissipation of 0.2 watts.

The TLP385 is used in a variety of applications due to its high-speed, high-isolation features. Common applications include data communications systems, portable instrumentation, telecommunications, audio equipment, isolated power supplies, and control systems such as robotics. It is also used in automotive applications, medical equipment, industrial sensor processing, and consumer audio-video equipment.

The working principle of the TLP385 is very simple. When a voltage is applied to the LED, it emits light. This light is then detected by the photodetector and converted into an electrical current which is then used to turn on a Darlington-output phototransistor. This in turn activates an external circuit, providing power to a load. The isolation provided by the optoisolator keeps the LED from turning on the external circuit, thereby eliminating any chance of electrical noise or voltage spikes damaging sensitive components.

The TLP385 optoisolator is an excellent choice for many different applications. It provides high-speed, high-isolation performance in a small, compact package. Its wide temperature range and robust design make it suitable for a variety of applications in different industries. With its easy implementation and reliable performance, it is no wonder why the TLP385 is one of the most popular optoisolators available.

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