LDH-45 DC-DC Step-Up Constant Current LED Driver MEAN WELL LDH-45 DC-DC Step-Up Constant Current LED Driver is a boost type constant current, high efficiency (95%) product that is available with output currents of 350mA, 500mA, 700mA, and 1050mA. The LDH-45 Series features PWM+ analog dimming and remote ON/OFF control and complies with EN55015. MEAN WELL LDH-45 Drivers are suitable for street lighting, landscape, landscape lighting, and household lighting applications.