BUY VIPER22A https://www.utsource.net/itm/p/1533174.html
Low Power OFF-Line SMPS Primary SwitcherSMPS
Description: The VIPER22A is an 8-pin DIP integrated off-line switch mode regulator used for text and graphics power conversion. Features: - Low start-up current - Improved frequency jittering - Low standby power - Internal thermal shutdown - Over-voltage protection - Cycle-by-cycle current limit Applications: - Switch mode power supplies (SMPS) - Monitor power supplies - Motherboard power supplies - Telecommunication & network power supplies - Industrial applications (For reference only)