The SY5840BFAC with LED Drivers SO-8_3.9mm RoHS by Silergy is a small package, low power switching regulator with constant current LED driver designed to deliver a constant current to LEDs. It has an adjustable LED current of up to 400mA, and is suitable for driving LEDs up to 6V. Its integrated low on-resistance MOSFET switches and programmable oscillator provide maximum efficiency and low output ripple. The device is available in RoHS compliant SO-8 package, so it is suitable for dense boards. Additionally, it has a very lightweight of 1.35gr making it suitable to use in small spaces. The device is also certified for temperatures from -40°C to +125°C.