AC to DC Switching Converter Off-Line Switcher, Quasi-Resonant PWM Controller, 52KHz, 650V, 56.4W, 1.7Ω

AC to DC Switching Converter Flyback, Off-Line SMPS Quasi-Resonant PWM Controller, 65kHz, 650V, 30W, 4.7Ω

AC to DC Switching Converter Off-Line Switcher/SMPS Controller, Quasi-Resonant PWM Controller, 52kHz