TOP244YN

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TOP244YN application field and working principle

TOP244YN is an integrated offline switcher circuit integrated with a power MOSFET for a wide range of off-line AC-DC power conversion applications. It is designed for applications with up to 250 W output power. The TOP244YN integrates multiple control, protection and diagnostic functions, which make it a complete, integral and integrated power conversion solution.

The TOOL TOP244YN has wide application field. The device is suitable for a wide range of offline AC-DC power conversion applications such as LED lighting, digital lighting, LED TV, LED display monitor and LED backlighting etc. Its peak efficiency reaches high up to 90%, which makes it an ideal solution for any line-powered electronic products. Besides, the device is also capable of extended start-up and brown-out power supply protection.

In terms of its working principle, the TOP244YN adopts Pulse Width Modulation(PWM) control mode. It is composed of supply voltage sense circuit and PWM controller, through which the current of the power MOSFET is adjusted precisely to help maintain the power conversion efficiency. When the input AC voltage is applied, the supply voltage sense circuit accurately generates a voltage proportional to the AC input voltage. The PWM controller analyzes this voltage and adjusts the ON time of the power MOSFET periodically to get the required output voltage.As for the package of the device, TOOL TOP244YN is available in popular TO-220/DPAK/IPAK packages for easy mounting.

In conclusion, the TOP244YN is an integrated offline switcher circuit integrated with a power MOSFET for a wide range of off-line AC-DC power conversion applications. With multiple control, protection and diagnostic functions, it is suitable for a wide range of offline AC-DC power conversion applications such as LED lighting, digital lighting and LED TV, etc. The working principle of the device is based on Pulse Width Modulation(PWM) control mode, while the device is available in TO-220/DPAK/IPAK packages.

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