OSW42016C1H-150MA is an Optosupply part, which is a 4-channel, 16-amping, 150 mA constant current LED driver. It is intelligent, non-isolated, step-down switching power supply, which can supply current with low ripple and no-load power consumption that is less than 0.3W. It also features a range of protection circuitry, including short circuit protection, over-temperature protection and over-voltage protection. This LED driver is suitable for LED lighting applications, and is compatible with LED displays, LED signages and LED decorations.