The JW1851 is a SOT89-3 RoHS LED Driver manufactured by JoulWatt. It is a low voltage, high efficiency DC-DC boost converter IC designed to drive white, RGB, and other LED arrays for application such as LED lighting, signage, and emergency lighting. The device features a wide input voltage range of 2.3V to 6.0V, adjustable output current up to 800mA, constant current mode output, and a wide operating temperature range of -25°C to +85°C. It also has integrated overload and short circuit protection for added safety.