ACPL-177KL-200

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Optoisolators are an essential component in many electrical and electronics devices. They provide a reliable, independent link between two circuits while providing electrical isolation. The ACPL-177KL-200 is an optoisolator developed by Avago Technologies that offers an excellent level of isolation between input and output circuits. This device is a transistor-photovoltaic output (T-PVO) optoisolator, which combines the features of a standard optocoupler, a photodarlington, and a light-driven transistor.

The ACPL-177KL-200 comes in a single-in-line, easy-to-handle 5-pin package. It offers a wide input range of 1.5 mA to 10 mA and a high insulation voltage of 200V rms (252V DC). This optoisolator can operate at a temperature range of -40°C to 85°C. It is guaranteed to have a response time of 10 μs.

This device offers high input-output isolation of greater than 17kV. It provides excellent electrical noise immunity for sensitive circuits, and due to its high insulation voltage, it can be used in applications that require a high level of protection. The ACPL-177KL-200 can be used in clocked electronics circuits, as its response time of 10 μs enables quick and accurate switching. Additionally, it is suitable for use in circuits where a low level of power consumption is essential, as it has very low power consumption of just 200 mW.

The working principle of the ACPL-177KL-200 is based on the “Transistor-Photovoltaic Output” configuration. This device includes a gallium arsenide infrared light emitting diode (LED) and an integrated silicon phototransistor as its Active Input and Output elements, respectively. When the input voltage is driven by an external mirror, a beam of light is emitted from the LED, which in turn is detected by the Photo-transistor. The input current is then converted to an output voltage and current, which can be used to control the operating parameters of the circuit. The physical separation between the input and output provide for electrical isolation, which enables the ACPL-177KL-200 to be used in various applications requiring noise reduction between two circuits.

The ACPL-177KL-200 has a wide range of applications because of its low power consumption and fast response time. It is ideal for use in industrial, computer, and communication applications as it provides excellent electrical isolation between two circuits. This device can be used in areas such as controlling relays, switches, and current transducers in circuits. It can also be used for signal transmission and communication via infrared light. Additionally, due to its wide input range, the device can be used in both digital and analog circuits.

In summary, the ACPL-177KL-200 is a transistor-photovoltaic output optoisolator developed by Avago Technologies. This device provides an excellent level of isolation between input and output circuits, thanks to its wide input range, high insulation voltage, and high input-output isolation. It is suitable for use in industrial, computer, and communication applications, as well as signal transmission and infrared communication. The working principle of the device is based on the “Transistor-Photovoltaic Output” configuration and it has low power consumption and a fast response time.

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