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BUY TOP244YN https://www.utsource.net/itm/p/1110122.html
IC SW OFF-LINE PS 45/65W TO220
Description: TOP244YN is a fixed-frequency 3-phase off-line switcher IC designed for use in applications such as TV, STB and PC power supplies. Features: High Efficiency: Typical efficiency of up to 92%. Low Standby Power: Standby power consumption is less than 500mW. Advanced Topology: Provides constant-power operation over a wide AC input voltage range. Adjustable Output Voltage: Output voltage can be easily adjusted by external resistor divider. Optimized EMI Reduction: Improved EMI performance over TOPswitch-GX family products. High-Voltage Start-Up Circuit: Internal start-up circuit eliminates the need for an external high-voltage capacitor. Internal Frequency Jitter: Reduces EMI susceptibility and improves current sharing in multiple-converter systems. Application: TOP244YN is ideal for TV, STB and PC power supplies. It can also be used in other off-line applications such as LED lighting, AC/DC adapters and power supplies. (For reference only)