The SC1161D1-TL is a RoHS-compliant, switching controller manufactured by Power Integrations. It features low input current and standby power and is designed for use in an isolated flyback topology. It contains a programmable frequency oscillator, over-voltage protection, integral soft start and active PFC features, and helps in controlling the output voltage for ON/OFF applications. It also has adjustable current limit that allows to set the LED current manually and is compatible with a wide range of LEDs.