UCC2894DG4

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The UCC2894DG4 is one of the newest products in the AC DC converter, offline switcher market. It is a comprehensive power-conversion and protection system for low-voltage buck converters. The device is designed to reduce system parts count, minimize the space required to package the power stage, and provide superior protection to the load path of the system.

The output capacitor bank of this device is comprised of four high-side buck-converter switches, configured as a discrete full-bridge circuit. The output is regulated by the error amplifier, which monitors the output voltage and keeps it within a programmable range.

With the UCC2894DG4, the user has access to several protections and fault-management features. The output temperature safety monitoring feature allows the device to protect the system from excessive heatsink temperature. This safety monitoring can be enabled to ensure that the heatsink temperature does not exceed a threshold limit. In addition, the device is protected from over-current events, thermal shutdown and brown-out conditions.

The UCC2894DG4 is highly efficient and can deliver up to 97% efficiency. It is ideal for cost-sensitive applications, such as computing and networking products where efficiency is important. Additionally, this device offers an innovative zero-power auto-restart feature. This feature allows the device to restart itself automatically when the primary battery pack is removed or power is lost.

This device also offers dynamic voltage scaling and digital voltage adjustability. With this feature, the output voltage can be adjusted dynamically to adjust the power delivered to the load. The configuration of the device is also programmable, allowing the user to customize the operation of the device for their specific application.

The UCC2894DG4 is an excellent choice for designers who want to create a reliable, robust, and cost-effective system for their AC DC converter, offline switcher applications. Its high efficiency, versatile feature set, and easy-to-configure power stage design make it a great choice for all types of applications.

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