UCC2804DG4

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The UCC2804DG4 is a member of the versatile family of SIMPLE SWITCHER® power modules. This product is the smallest power module in the SIMPLE SWITCHER family and it enables energy efficient, quiet, and compact power solutions for applications in the consumer and industrial markets. The UCC2804DG4 provides a complete, integrated circuit solution for applications that require a minimal board area solution. This is accomplished by integrating multiple power components, such as a Power Factor Correction (PFC) Diode, MOSFET, NTC thermistor, Low-Side MOSFET, and an IC containing control, protection, and monitoring functions, into one package.

The two types of application fields that the UCC2804DG4 is designed to accommodate are AC-DC conversion and offline switching. In terms of AC-DC conversion, the UCC2804DG4 can be used to implement a Power Factor Correction (PFC) topology such as buck, boost, buck-boost, and flyback. This is due to its integrated low-side MOSFET, PFC diode, and NTC thermistor which enable smooth transitions between power stages. The UCC2804DG4 can also be used for offline switching applications, such as for DC/DC conversion, load switch, power-on reset, and as a sensor controller. The UCC2804DG4 also has precious features such as a thermal shutdown, an overvoltage protection, a buck-mode undervoltage protection, and a current limitation.

The core of the module is the Universal Error Limiting Power-Factor Corrector with Current Limiting Switch (UCC2804). The UCC2804 provides the necessary control and protection functions while also making it possible to transition between different operating modes. This allows smooth transitions and variable operating parameter settings. Its operating modes provide implementations of PFC and variable frequency power-factor with improved power quality, minimal harmonic content, reasonable efficiency and reduced system cost.

The UCC2804DG4 features an integrated circuit controller and smart power switch for maximum performance and flexibility. The controller and the smart power switch together form the strong core of the module. The power switch is responsible for controlling the current from the input to the load, while the controller reads and monitors the temperature of the device, as well as parameters such as input voltage, load current, and input frequency. The integrated circuit controller also offers a wide range of features that can be adjusted to accommodate the user’s desired power requirements. The adjustable features include controlled dead time, skip-cycle modes, burst-mode control, and overcurrent thresholds.

The UCC2804DG4 is the ideal choice for many solutions, including those in the consumer and industrial markets. Its size and integrated power components make it the perfect choice for minimal board area solutions and energy efficient designs, while its controller and smart power switch offer maximum performance and flexibility. Its wide variety of features makes it an ideal choice for a wide range of applications.

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