The SPR01L-05 is a 18W DC-DC Constant Current Step-Down LED driver. SPR01L-05 has wide input voltage from 6 to 56 VDC. Voltage output will always step down by 3V from input DC voltage and has wide output LED string voltage from 2 to 52VDC at constant current output 320mA. Thanks to the high efficiency up to 97%, it is able of operating from -40 to +85 ℃ case temperature under free air convection. The IP67 design ingress protection level allows this component to be suitable for driving illumination LED.The SPR01L-05 has built in EMI filter and PWM dimming with remote ON/OFF control. The SPR01L-05 has a 3 years factory warranty.