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BUY VIPER27HDTR https://www.utsource.net/itm/p/5381133.html
Off-line high voltage converters
Manufacturer: STMicroelectronics Package: SOP-16 Description: The VIPER27HDTR is a high-voltage, high-speed, low-power, monolithic integrated circuit designed for use as an off-line SMPS (switched-mode power supply) controller. Features: Low start-up current Low operating current High-speed switching High-voltage operation up to 600V Internal soft-start Internal frequency jittering Over-voltage protection Over-temperature protection Under-voltage lockout Over-current protection Over-load protection Applications: Switching power supplies Uninterruptible power supplies Battery chargers Motor control Lighting control (For reference only)