DK3113 Datasheet - ETC

DK3113 Power Supply Controller

1 OB is the power-on start pin. There is a start-up circuit inside that is connected to the high-voltage OC pin. This pin is left floating. 2 VCC power supply pin, externally connect a 10UF~100UF energy storage capacitor to ground. 3 GND Ground pin. 4 NC: Empty pin, no electrical connection .

DK3113 Features

* l Input voltage 85V to 265V full voltage range l Built-in 700V power tube lBuilt -in self-powered circuit (patent), no auxiliary winding power supply required l Integrated self-starting circuit l Current mode PWM control l VCC operating voltage range 4V to 6V l 65Khz switching frequency l Automatica

DK3113-ETC.pdf