FDMQ8205

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The FDMQ8205 is a family of OR-controlled, Ideal Diode and Hot Swap controllers from Fairchild Semiconductor. This family of devices is designed to provide a cost-effective solution for power management in applications such as computer systems, telecom systems, and industrial equipment.

OR controllers are used in applications where multiple power sources are needed in order to provide redundancy and improve system reliability. OR controllers are used to manage the power distribution between two or more input sources. The FDMQ8205 integrates OR detection, OR control, and Hot Swap protection on a single device, eliminating the need for multiple components.

The Ideal Diode controller feature of the FDMQ8205 provides a seamless power switch control interface that ensures maximum current efficiency and minimum power loss. This feature eliminates the need for an expensive Schottky diode, which can suffer from power dissipation losses of up to 0.5 volts.

The Hot Swap functionality of the FDMQ8205 provides user-defined overcurrent protection that can be used to disconnect devices from the system before they reach damage thresholds. It is designed to provide the necessary protection for system components during start up and shut down.

The FDMQ8205 is designed to help reduce total system power consumption and eliminate the need for multiple expensive components. It is suitable for use in a variety of applications including servers, workstations, routers, and other equipment in need of high-reliability power management.

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