LTM2889IY-5#PBF

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Digital isolators are a type of semiconductor technology used to transfer electrical signals between elements that are at different potentials. The LTM2889IY-5#PBF is a type of digital isolator that is designed for Isolated Power over Ethernet (POE) systems. It is used to provide galvanic isolation between the Ethernet cable and the POE system while providing power over Ethernet to connected devices.

The main operating principle behind the LTM2889IY-5#PBF is magnetic isolation. A compact chip-scale transformer is used to electrically isolate two circuits with different ground potentials. This isolator uses a Faraday cage style solid-state isolation technology with optically isolated power supplies for increased noise immunity and reliable operation.

The LTM2889IY-5#PBF digital isolator is designed to provide robust signal transfer for POE systems. It enables reliable communication between the two devices by providing up to 4 kV of galvanic isolation for Ethernet twisted-pair cables and up to 2.5 kV of galvanic isolation for DC power rails. Additionally, the digital isolator supports up to 250 Mbps data rates, and it is designed to meet high noise immunity standards.

The LTM2889IY-5#PBF digital isolator is highly suitable for use in vibration-prone industrial communications applications. This isolator can provide reliable data transmission in applications that require high shock and vibration performance. Its isolation technology enables reliable signal transfer even in extremely noisy environments.

The digital isolator is also well-suited for applications that require high levels of power-over-Ethernet. It is designed to reduce power supply ripple and provide clean power to connected devices. It also offers over-voltage protection and under-voltage protection to ensure reliable and safe operation.

In summary, the LTM2889IY-5#PBF digital isolator is designed for isolated power-over-Ethernet (POE) systems. It provides up to 4 kV of galvanic isolation for Ethernet twisted-pair cables and up to 2.5 kV of galvanic isolation for DC power rails. Its Faraday cage style as well as optical isolation technology makes it suitable for use in industrial communications applications that require high shock and vibration performance. Additionally, it is designed to reduce power supply ripple and provide reliable power to connected devices. This digital isolator is an ideal choice for applications that require high levels of power-over-Ethernet.

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