TLP388(D4-TPR,E

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Optoisolators are electronic circuits that protect sensitive electronic components from potential damage caused by electrical fluctuations, high voltages, and current overloads. The TLP388(D4-TPR,E is a 4-pin optoisolator specifically designed for high voltage applications, with a breakdown voltage of up to 5kV.

This transistor-photovoltaic (TPR) output opto-isolator is ideal for medium and high voltage photovoltaic applications such as Power line communications (PLC), Motor control, and Industrial Automation, where reliable communication and protection from external interference is essential. It is available in various forms, ranging from low-cost versions with low current output to versions featuring higher current output.

The TLP388(D4-TPR,E is a quad package consisting of four isolator units in a single package. Each unit features built-in desaturation protection and is optimized for high-voltage operation. The device features a photovoltaic output stage that is capable of sinking up to 300mA of load current and is designed for up to 5kV isolation voltage.

The working principle of the TLP388(D4-TPR,E utilizes two major components. The first component is the photodiode, which senses changes in the received light from the input signal and converts it to an electrical signal. The second component is the transistor, which amplifies this signal and provides the output. This combination of the photodiode and the transistor enables the photodiode to detect small changes in light and then amplify the signal to be sent to the output.

When the optoisolator is activated, the photodiode receives light from the input signal, which is then converted into an electrical signal. This electrical signal is then amplified by the transistor to give the output voltage. This optoisolator provides high levels of isolation between the input and output circuits due to the built-in desaturation protection and the high voltage capability.

The TLP388(D4-TPR,E is an ideal choice for a wide range of applications, including data communication, industrial automation, motor control, and other high-voltage applications. Its high voltage capability and desaturation protection provide superior reliability and protection from external interference. With its quad package and high current output, the TLP388(D4-TPR,E is perfect for applications requiring reliable communication and protection from electrical fluctuations, high voltages, and current overloads.

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