UCC3809P-2

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The UCC3809P-2 is an integrated Pulse Width Modulated (PWM) off-line switcher IC from Texas Instruments. This device provides an efficient way of solving the dual problems of providing reliable power to both primary and secondary side loads while also manage power at the same time. The device is ideal for applications like half-bridge Flyback, auxiliary power supplies and low power DC-DC converters. The UCC3809P-2 has the ability to deliver up to 5A of continuous current and the internal main power switch has been designed to handle power of up to 100V DC.

The Working Principle of the UCC3809P-2 is based on the power MOSFET which is connected to the device to enable it to regulate the application\'s output voltage. The main power switch is PWM controlled and is driven by the on-chip, high precision PWM comparator. The feedback voltage is compared with an internal voltage reference and the PWM ratio is adjusted automatically, to maintain the precise regulation of the output voltage. The device operates in a self-powered, or discretely powered mode of operation where the logic power can be derived from either one or two capacitors or from an auxiliary winding.

The Application Fields of the UCC3809P-2 include AC/DC converters, offline switching and half-bridges. The wide range of operating frequency allowed by the device makes it suitable for all kinds of AC/DC systems and the flexible design makes it easy to use and configure. The device is also suitable for low-power DC-DC converters such as those used in computers, tablets and mobile phones, as it can support a wide range of input voltage. The UCC3809P-2 can also be used in systems with multiple outputs, as it operates at various switching frequencies and can be configured easily to achieve the desired output. This feature makes it suitable for applications such as power supply for television and gaming consoles.

The UCC3809P-2 is a versatile device with many features and benefits. It is highly efficient, provides good reliability and can handle high power levels. The device can be used in many different application fields and can be configured easily to handle different power requirements. The device is versatile and can be integrated into a large number of different systems.

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