The L6565 is a current-mode primary controller IC, specifically designed to build offline Quasi-resonant ZVS (Zero Voltage Switching at switch turn-on) flyback converters. Quasi-resonant operation is achieved by means of a transformer demagnetization sensing input that triggers MOSFET's turn-on. Converter's power capability variations with the mains voltage are compensated by line voltage feedforward. At light load the device features a special function that automatically lowers the operating frequency still maintaining the operation as close to ZVS as possible. In addition to very low start-up and quiescent currents, this feature helps keep low the consumption from the mains at light load and be Blue Angel and Energy Star compliant. The IC includes also a disable function, an on-chip filter on current sense, an error amplifier with a precise reference voltage for primary regulation and an effective two-level overcurrent protection. https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2020-06-12 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2021-04-03 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2021-04-15 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2021-07-17 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2021-10-10 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2021-12-04 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2022-04-07 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2022-06-13 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2022-06-25 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2024-01-16 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2024-02-02 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2024-02-11 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2024-02-19 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2024-04-24 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2024-05-03 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2024-05-11 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2024-05-20 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2024-06-07 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2024-06-15 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2024-06-24 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2024-07-21 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2024-07-30 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2024-08-07 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2024-08-16 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2024-08-25 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2024-09-12 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2024-11-20 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2024-11-29 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2024-12-17 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2024-12-27 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2025-01-14 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2025-02-01 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2025-03-01 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2025-03-28 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2025-05-04 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2025-05-19 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2025-06-07 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2025-06-16 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2025-07-04 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2025-08-19 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2025-08-29 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2025-10-30 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2025-11-08 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2025-12-15 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2026-05-15 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2026-06-02 https://elecena.pl/product/16964399/l6565d-quasi-resonant-controller 2026-06-21