[Rozwiązano] Gdzie znaleźć aplikacje układu scalonego HA3021?

Cytat:

HA3021 is a high-precision primary-side feedback LED constant current driver chip, suitable for flyback isolated LED constant current power supplies with full range input voltages and power below 3W.
(...) HA3021 integrates a 650V power MOSFET internally and adopts a dual-winding primary feedback mode.