TEA1721FT/N1,118

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The TEA1721FT/N1,118 is a power management integrated circuit (PMIC) with integrated AC/DC converters and offline switchers. It is designed to increase the efficiency, power, and performance of a wide range of applications. It is able to provide power rails with up to 18 Watts of power and up to 95% efficiency.

For AC/DC conversion, the TEA1721FT/N1,118 utilizes a quasi-resonant primary-side flyback topology. It consists of an input rectifier bridge, an EMI filter, and an active PFC controller that handles the switching and power management. The voltage is regulated and filtered by the integrated snubber, output filter, and output rectifier. The power factor correction (PFC) feature helps to improve efficiency and reduce harmonic distortion. It also supports the use of a constant-voltage or constant-current source for the load.

For offline applications, the TEA1721FT/N1,118 integrates several features to facilitate power management, such as current limiting, short-circuit protection, over-voltage protection, thermal shutdown, and under-voltage lockouts. The current limiting feature helps to prevent overloading, while the short-circuit protection and over-voltage protection help to protect against power supply faults. The internal thermal shutdown and under-voltage lockout features ensure the safety of operations.

The TEA1721FT/N1,118 is ideal for use in consumer and industrial applications, such as office equipment, diagnostic equipment, process control, industrial automation, power tools, domestic appliances, lighting, and telecommunications. It is well-suited for use in applications where high reliability is required. The device is available in a SO-8 package and is able to operate from a wide input voltage range of 85VAC to 265VAC.

In summary, the TEA1721FT/N1,118 is a power management integrated circuit that offers high efficiency and power, enabling it to be used in a wide range of applications. It features an AC/DC converter optimized for Flyback topology, as well as offline features such as current limiting, short-circuit protection, over-voltage protection, thermal shutdown, and under-voltage lockouts. It is suitable for a wide range of applications, such as office equipment, diagnostic equipment, process control, industrial automation, power tools, domestic appliances, lighting, and telecommunications.

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