TNY264PG

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The TNY264PG is part of the TinySwitch family of power-switching regulators from Power Integrations designed to provide highly efficient, cost-effective solutions for a wide range of power management applications. As an offline switcher, the TNY264PG is used to enable industrial-grade AC/DC power supplies. It is ideal for a wide range of applications including LED lighting, motor control, medical equipment, and consumer electronics.

The TNY264PG features a compact and efficient design, with high-temperature (HTMOS) transistors, low thermal resistance, integrated gate driver and advanced transistors ensuring superior reliability and cost savings when compared to other AC/DC converters. Additionally, the proprietary flexible frequency control scheme (FFC) is optimized to provide cost-effective and reliable operation even at low line and load conditions.

The TNY264PG works on the principle of “switch mode” power regulation. This is done by using two transistors, a high-side and a low-side switch, that connect the line voltage to the load. When the output voltage reaches a preset value, the low-side switch is opened and the high-side switch is closed, thus disabling the output and regulating the current to the load. The preset output is adjustable using a resistor divider network connected to the output voltage line.

The TNY264PG also features a unique voltage-feedforward technique with a wide feedforward range that allows it to optimize the power transfer efficiency throughout its working cycle. The device has a high frequency oscillator built-in to reduce input capacitance, further improving system efficiency. It integrates an open-loop current-mode controller for output voltage regulation and a wide input range sensing circuit for sensitive load operations.

The device also has integrated thermal protection that shuts down the power supply when the die temperature is too high. In addition, it supports current-mode operation and provides optional low voltage lockout for improved performance at light load conditions. It has an operating temperature range from -40°C to +125°C, and a maximum average power dissipation of 240mW, making it suitable for a variety of applications in hot and cold environments.

In summary, the TNY264PG is an excellent choice for a wide range of industrial-grade applications. It offers high efficiency, cost-effective solutions, and reliable performance. Its advanced features, including current-mode operation, flexible frequency control, high temperature (HTMOS) transistors, and integrated gate driver, make it an ideal choice for powering a variety of applications.

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