HCPL-543K-100

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Optoisolators, also known as optocouplers, opto-isolators, photocouplers, and photocouplers, are widely used for isolating noisy signals. Isolation is achieved through the use of a solid-state device, such as an LED, to enable the transmission of a signal from one electrical circuit to another without the two circuits being physically connected. This concept is usually referred to as electrical isolation. One type of optoisolator, which is known as the Logic Output, outputs a digital signal in response to the input of an analog signal. The HCPL-543K-100 is an example of a Logic Output optoisolator.

The HCPL-543K-100 is a logic gate optoisolator manufactured by Avago Technologies. It has been specifically designed for use in digital logic isolation applications and is capable of providing a secure and reliable data transfer mechanism in isolated systems. The device uses a LED and a phototransistor to transfer an input signal to the output. The LED is used as the input signal and the output is generated by the phototransistor. It operates from two power sources, 4.5V to 36V on the input side and 5V to 9V on the output side. The device is loaded with features such as 5 ns propagation delay, 1.65 kV/μs Common-Mode transient immunity, 0.7 ns pulse width distortion, and 5 kV/μs differential mode transients.

The HCPL-543K-100 can be used in a variety of applications such as power supplies, industrial control systems, motor/robot control, measurement and control systems, and embedded systems. Its applications can range from measuring and control systems, industrial automation, and motor/robot control to digital logic. The device is ideal for providing electrical isolation for digital systems since it features a low propagation delay, high noise immunity and low propagation delay distortion. It can also be used in applications that require secure and reliable data transfer. Additionally, the device features RoHS and UL recognition for safety and performance.

The working principle of the HCPL-543K-100 is based on the law of photoelectric effect. When light is incident on a semiconductor, it interferes with the electrical properties of the material and causes the emission of electrons. This photoinduced electrical current is then used to drive the output of the optoisolator. The LED converts the electrical input signal into light, which is then converted into an output signal by the phototransistor. The phototransistor then amplifies the output signal and the logic output is determined by the amount of current that is supplied to the output. In summary, the HCPL-543K-100 works by converting electrical signals into light, transmitting the light signal, and converting the light signal back into an electrical signal with an amplified output.

The HCPL-543K-100 is a versatile and reliable Logic Output optoisolator that is suitable for a variety of applications. It offers high electrical isolation, noise immunity, and low propagation delay. It is ideal for applications such as industrial automation, motor/robot control, and digital logic. Additionally, the device is RoHS and UL recognized, making it an ideal choice for safety and performance.

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