The IL9961DT is a series of SOP-8 LED drivers manufactured by IK Semicon and designed to be RoHS compliant. It is an 8-pin device that provides constant current, making it ideal for driving LED and other current loads. The device features a wide input voltage range of 3.0-35V and an adjustable output current of 25-350mA, with an accuracy of ±2%. It also features a fast 1µs rising time and a programmable PWM dimming range of 0-99%. The device is also equipped with advanced protection features such as over temperature, over current, and over voltage protection. These features provide the device with excellent reliability and long term stability of LED current and brightness. The IL9961DT was designed with low EMI and is also widely used in LED applications, such as commercial lighting and automotive lighting systems.