TOP227YN

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The TOP227YN is part of Power Integrations’ family of fully integrated AC-DC and DC-DC offline switchers. POWER Integrations offers a wide range of integrated solutions including the TOP227YN, which is a low-cost and space-efficient offline switcher with up to 90 percent efficiency. The device utilizes PWM-controlled power switching, a Temperature-Controlled Oscillator (TCO™) providing optimal switching frequency and a one-cycle min/max current limit for improved long-term system reliability.The TOP227YN is primarily used in applications that require single-stage off-line power supplies. The device offers up to 90 percent minimal efficiency and up to 95 percent maximum efficiency, with a low-cost, space-efficient design. The device features a maximum of 350 mA output current in the single-stage topology, which is suitable for low power applications such as mobile phones and portable electronic devices. The device utilizes Pulse-Width Modulated (PWM) power switching technology to control the power output, while the temperature-controlled oscillator (TCO) helps to control the operating frequency to optimize performance. The TOP227YN is also designed with a one-cycle min/max current limit, which helps to improve long-term system reliability. This feature helps to protect the device from high surge currents and other unwanted electrical shocks that could otherwise occur during operation. In addition, the TOP227YN comes with advanced protection features such as Primary-Side Regulation (PSR), short-circuit protection and over-temperature protection. The PSR feature allows the device to operate without an optocoupler, which can further improve system cost and performance. The short-circuit protection helps to ensure safe operating conditions, while the over-temperature protection provides additional level of protection to prevent damage from high temperature scenarios.Overall, the TOP227YN is a low cost, space-efficient AC-DC and DC-DC offline switcher designed for use in single-stage power supplies. The device offers up to 90 percent minimal efficiency and 95 percent maximum efficiency with improved long-term system reliability. The device features a temperature-controlled oscillator (TCO), Pulse-Width Modulated (PWM) power switching technology, Primary-Side Regulation (PSR) and short-circuit and over-temperature protection. The device is suitable for a wide range of applications including mobile phones, portable electronic devices and other low power applications.

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