IL3185E

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Digital isolators are electronic components used to transfer signals between different circuits while providing isolation to protect sensitive components from malfunction and overcurrent. The IL3185E is a unidirectional, isolated voltage-output, digital isolator that uses miniature, integrated gate drive transformers to provide galvanic isolation. It is a very efficient, low power component, allowing it to be used in a variety of applications.

Application Field

The IL3185E is used in a variety of applications including motor control, automation, test and measurement, medical, and industrial systems. The device can be used to interface between digital and analog circuits, providing bidirectional switches, protection, and noise filtration. It can also serve as a direct digital-to-analog converter, ensuring the highest accuracy and precision, while offering high switching speed and isolation.

The device is designed to provide reliable, high-speed, and low-power signal isolation. Due to its low power requirement, the device is well-suited for portable, battery-powered applications, such as medical equipment and communication systems. Additionally, the isolated outputs allows the device to be used in applications where normal communications systems would encounter excessive levels of noise.

Working Principle

The IL3185E is a unidirectional digital isolator that uses miniature, integrated gate drive transformers to provide galvanic isolation. It provides isolation at the signal level between digital and analog circuits. The device receives a logic-level input, which is converted to a signal-level output that is galvanically isolated by the integrated gate drive transformer. The device is designed to be used in a variety of applications, providing isolation and signal conversion between digital and analog systems.

The device has an input voltage from 1.8 V to 3.6 V, and the output voltage can range from 0.2 V to 5.5 V. The output impedance is 2.5k ohms. The device has a wide common-mode range, with a maximum voltage difference to provide noise filtration. The device operates at a wide range of frequencies, up to 20 MHz, allowing for high-speed signals to be transferred with minimal distortion.

The device also has a number of protection features, including an over-voltage lockout, output under-voltage protection, and output over-voltage protection. These features protect both the device itself and the signals being transferred by preventing over-current or reverse polarity from occurring. Additionally, the device has an auto-reset feature, which allows the device to recover automatically if the output is overloaded or disconnected.

The IL3185E is a highly efficient and low-power component, making it an ideal choice for a variety of applications. Its wide range of features, including the high-speed signal transfer, protection against over-current, and isolation, make it an attractive choice for a variety of applications. The device is an excellent choice for applications requiring reliable signal isolation and conversion between digital and analog systems.

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