UCC3809N-1

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UCC3809N-1 is an integrated power management integrated circuit (PMIC) designed for converting alternating current (AC) to direct current (DC). It provides a complete power conversion solution for offline switchers, such as mobile phones and tablets. This integrated circuit is mainly used for high power, high voltage and low current applications.

UCC3809N-1 integrates several power conversion and control units into one platform. It includes a power factor correction (PFC) controller, an AC/DC converter, an on-board controller with safety features and a power control switch. It also features overvoltage and overcurrent protections, and a temperature and thermal protection system.

The PFC controller of UCC3809N-1 is a current mode controller with peak current mode control. It provides a high power factor and low total harmonic distortions. The AC/DC converter is a mains-powered, continous current step down converter with synchronous rectification. It provides a regulated output voltage with high efficiency.

The power control switch of UCC3809N-1, integrated with the controller, is a MOSFET based switch. It is used to provide a constant power supply to the load, while still providing over-voltage and over-current protection. The integrated safety features include voltage and current limit, thermal protection and over-voltage shutdown.

UCC3809N-1 is an ideal choice for high power, high voltage, low current applications and can be used in a wide range of products, including mobile phones and tablets. With its integrated power management and control units, it is an effective solution for offline switchers and power conversion.

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