DK1203 AC to DC Switching Power Supply Control IC

Features

• 85V to 265V wide range AC power input.
• Built-in 700V power transistor.
• Internal integrated high voltage starting circuit, no need for additional resistance.
• Integrated self-start circuit.
• Pulse-width modulation controlled system.
• Operating voltage range: 4V to 6V
• Switching frequency: 65kHz
• Automatically turn to skip cycle mode under light load condition.
• Over current, over loading, over temperature, and over voltage protection.
• Standby power consumption lower than 0.3W
• Internal frequency modulation circuit to reduce EMi filter cost.