The TOP227YN is an integrated off-line switcher IC with a 700 V power MOSFET that combines a high-performance controller and MOSFET in a single chip. This device is designed for use in Flyback, Buck-Boost, and Buck non-isolated topologies. With a wide input voltage range of 40 V to 440 V, the TOP227YN is perfect for applications such as LED lighting, home appliances, industrial controls, and consumer electronics.
Key features of the TOP227YN include a built-in 700 V MOSFET with high efficiency, primary-side regulation for accurate output voltage control, and a constant-current operation mode for driving LED strings. The device also includes numerous protection features such as overvoltage protection, overcurrent protection, and thermal shutdown to ensure reliable operation in various conditions.
The TOP227YN is housed in a small 7-pin SMD package and operates at a maximum frequency of 132 kHz. With its compact size, high efficiency, and comprehensive protection features, the TOP227YN is a versatile and reliable IC for a wide range of off-line power supply applications
