DK3113 Datasheet (ETC) - Power Supply Controller

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