HCPL-070A-560E

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Optoisolators refer to electrical components which are used for designing circuits and protect the input from the outputs, while ensuring high levels of isolation. These devices are also known as electronic isolators which are used to separate two different circuits. The HCPL-070A-560E optoisolator belongs to the Transistor, Photovoltaic Output type, combine a traditional photodiode and transistor output into one component.

The HCPL-070A-560E optoisolators can be used to control low voltage ac and dc loads up to 30V with zero-crossing switch, digital controlled dimmer, and similar applications. It is a taster and relay driver optoisolator device and features a source to sink current of 5 to 12mA and collector saturation voltage of 350mV max. It features a high gain transistor which has a collector current of 40 to 120mA. It contains two channels and is usually available in a wide-body dual-in-line-package.

The working principle of HCPL-070A-560E optoisolator is simple. When a LED is energized, it emits light which impacts a photodiode, making it to conduct. This generates a current in the photodiode is then amplified by the transistor. It is this amplified current that is responsible for the electrical isolation of the input from the output. The Photodiode may not be able to naturally stop the current after it gets energized, but the transistor stops it, thus providing the electrical isolation.

The HCPL-070A-560E optoisolator has a response time of 200µs which makes it ideal for high-speed switching applications. It can be used in the automotive industry for diagnostic connectors, and also in avionic applications for fly-by-wire. It may also be used in instrumentation applications and medical equipment with high level of electrical isolation. The device is available in either an thru hole or surface mount type and can operate/store over a temperature range of -40 to +100°C.

In conclusion, the HCPL-070A-560E optoisolator from Avago Technologies is a very useful device which is capable of providing high level of electrical isolation between two different circuits. Its fast response time and wide range of operating temperature makes it ideal for use in high speed switching and avionics applications. The device has also found popularity in medical and automotive sectors.

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