HCPL-3760-300E

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Optoisolators are medical devices used in a wide range of applications, including from automotive to industrial control systems. The HCPL-3760-300E optoisolator is a device developed by Avago Technologies, which incorporates a capability for direct coupling of digital signals. It is a form of transistor output optoisolator that is used in many applications, such as motor control, temperature measurement, instrumentation, and electronic protection.

The HCPL-3760-300E utilizes a photovoltaic (PV) method of voltage versus light level conversion to provide physical isolation between digital signals and the detection circuit. This optoisolator operates on a single supply voltage of 3.3V, while maintaining total isolation between input and output device. Various components of the HCPL-3760-300E, such as the photocell which is comprised of a light-sensitive resistor, a PV cell, and a NPN transistor, work together to provide a reliable signal conversion.

The photocell initiates signal conversion in the optoisolator by sensing and filtering the input light. The filtered light is then directed to the PV cell, which is connected in series with a reverse biasing resistor. When the light impinges upon the PV cell, the voltage at the input of the optoisolator falls below the bias voltage of the transistor. This causes the transistor to close, and the output of the optoisolator is connected to ground. When the light is removed from the PV cell, the transistor is pulled to the open state and the output of the optoisolator is disconnected from ground.

The HCPL-3760-300E is a robust and reliable optoisolator that can be used in a wide range of applications. It is designed to operate in temperatures ranging from -40°C to +85°C, and is capable of withstanding a maximum gate current of 250mA. Furthermore, this optoisolator features a low thermal transmissive resistance that reduces power dissipation and ensures a cooler operating environment. Additionally, the HCPL-3760-300E features low pro-load, phase delay, and propagation delay properties, allowing users to effectively communicate with the control circuit.

In summary, the HCPL-3760-300E is a photovoltaic output optoisolator from Avago Technologies, which utilizes a direct coupling of digital signals. This optoisolator offers a wide range of features, such as a low thermal transmissive resistance, and is designed for a variety of applications, including motor control, instrumentation, and electronic protection. It is a robust and reliable optoisolator that is designed to withstand a wide range of temperatures and a maximum gate current of 250mA.

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