TNY280GN-TL

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PMIC - AC DC Converters, Offline Switchers

The TNY280GN-TL is a high efficiency offline switcher optimized for cost sensitive applications. It combines excellent AC/DC conversion efficiency with low controller cost and superior design flexibility, making it an ideal choice for many offline applications. This offline switcher operates from an input voltage of 8-36 V, which is lower than its power output of 250W. It is suitable for a wide range of applications, from medical equipment, white goods, power tools, stage lighting, home appliances, and more.

The TNY280GN-TL's low cost and superior design flexibility stems from its proprietary hysteretic control. This type of control is simpler than a traditional average current mode control, which in turn reduces cost. The hysteretic control, however, still provides excellent performance, with fast loop response and high system efficiency. The low number of components also reduces cost, while the switcher's light weight and small form factor are ideal for portable applications.

The TNY280GN-TL also features several features to ensure a robust, reliable design. For instance, it is protected against failure due to output short-circuit or open circuit and has a soft start to limit the inrush current during startup and at load step changes. It also has a self-clocking feature to allow for quick startup from various input sources, with regular thermal shutdown and reset functions.

The switcher uses a combination of resonant switch and quasi-resonant technology, which greatly increases the efficiency of the design by avoiding losses associated with conventional hard-switched converters. The quasi-resonant mode allows the device to better handle dynamic loads, which improves the power conversion efficiency over a wide load range. This makes it particularly suitable for many battery-operated or portable applications where low power consumption is necessary.

The TNY280GN-TL also offers excellent system-level performance. It has an ultra-low standby power consumption, provides excellent EMI performance, and is immune to catastrophic events such as electrostatic discharge.

Overall, the TNY280GN-TL is an ideal choice for a wide variety of applications due to its cost-sensitive design, excellent AC/DC conversion efficiency, robustness and reliability, and performance in handling dynamic loads. Its small size and light weight make it well-suited for many portable applications. It is protected against failure due to output short-circuit or open circuit, has a soft start to limit inrush current, and features a self-clocking feature for quick startup. The combination of resonant switch and quasi-resonant technology ensures a high level of efficiency and reliability, while the low standby power consumption and excellent EMI performance ensure system-level performance.

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