UCC3813D-2G4

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The UCC3813D-2G4 is an integrated offline switcher with AC/DC converter that is designed to address the increase in the power demands of today’s energy-efficient, high-density electronics designs. It provides a complete low-cost solution for driving power-hungry loads in many applications, and has a wide range of features making it suitable for linear, switching, and other advanced applications.

The UCC3813D-2G4 uses an advanced power-management integrated circuit (PMIC) along with an integrated DC-DC transformer, with various components to create the two-phase converter. The two phase converter provides an efficient, low-cost solution for supplying current to loads that require up to 1.5A of current, such as LED lighting and power supplies for low power electronic devices, in applications that require AC or DC input voltage.

The UCC3813D-2G4 also includes a PWM controller that helps to reduce EMI/RFI. The PWM controller adjusts the duration of its switching cycles, which helps to reduce the amount of electrically generated noise that can interfere with the performance of other electronic components. It also helps to maintain an efficient power supply, even when there are heavy load changes on the system, by properly adjusting its switching cycles according to the load requirements.

The UCC3813D-2G4 can be used with various types of input voltage, such as 24VAC or 120VAC, and can provide up to 1.5A of current at its output. It can be used in a variety of applications, including LCDs, lighting, security systems, audio systems, power supplies, and more. The UCC3813D-2G4 also features thermal protection, over-voltage protection, and short-circuit protection, making it suitable for many safety-critical applications.

In terms of its working principle, the UCC3813D-2G4 uses an offline topology, which means that it includes an input bridge rectifier, an output rectified bridge, a power switching stage, and a PWM control IC. The input rectifier converts the AC voltage from the mains into a DC voltage, which is then processed by the PWM controller to create a two-phase sine wave output.

The two-phase sine wave output is then used to drive the power switching stage, and this stage is responsible for the conversion of the DC voltage into the desired AC or DC output. The switching frequency is determined by the PWM control IC, and the two-phase output is then used to supply power to loads that require up to 1.5A.

The UCC3813D-2G4 is an ideal solution for various applications that require AC/DC or DC/DC conversion and is suitable for both linear and switching applications. It has a wide range of features, such as EMI/RFI suppression, over-voltage protection, and short-circuit protection, which makes it suitable for many safety-critical applications. It is also easy to use, which makes it an ideal solution for applications that need to be retrofitted.

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