UCC2804D/81221

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PMIC - AC DC Converters, Offline Switchers

The Universal Component Corporation (UCC) is a multinational corporation that manufactures a wide range of electronic components for a variety of applications. The UCC2804D/81221 is a single-stage AC-DC converter/offline switcher manufactured by UCC. It is an SMD package and it is specifically designed for offline AC-DC applications. It is also suitable for various LED lighting applications.

Application Field of UCC2804D/81221

The UCC2804D/81221 is commonly used in the following application fields:

• Consumer electronics, such as televisions, DVD players, home theater systems, and gaming systems.
• Industrial applications, such as PLCs and power supplies.
• LED lighting.
• Automotive applications, such as car radios and power windows.

The UCC2804D/81221 is ideal for low power AC-DC power converters and offline switchers. It is a high efficiency and miniaturized solution for AC-DC applications such as LED lighting, and it can also be used in various industrial, automotive, and consumer electronic applications.

Working Principle of UCC2804D/81221

The UCC2804D/81221 is a single-stage AC-DC converter/offline switcher. It is a flyback topology, and it uses a single-stage architecture in order to keep the size and cost low. It uses a primary side control to regulate the output voltage, and it also uses secondary winding clamping to reduce the voltage overdrive during start-up.

The UCC2804D/81221 features a secondary winding clamping circuitry that prevents output voltage overshoot, and also a built-in soft-start circuit to avoid heavy inrush current during start-up. It also has a sealed package that makes it ideal for LED lighting applications, as it is dust-proof, shock-proof, and vibration-proof. The UCC2804D/81221 is also protected against over-temperature and short-circuit.

The UCC2804D/81221 is a reliable and efficient solution for AC-DC applications. Its primary side control offers high efficiency and miniaturization, and its secondary winding clamping circuitry ensures the output voltage is always within specifications. It is also dust-proof, shock-proof, and vibration-proof, making it an ideal solution for various consumer electronic, industrial, and automotive applications.

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