Features DC/DC step-down converter Constant current output: 300mA to 1500mA Wide input voltage: 9~56VDC Wide output LED string voltage: 2~52VDC High efficiency up to 97% Built-in EMI filter, comply with BS EN/EN55015 and FCC part15 without additional input filter and capacitors Build-in PWM and remote ON/OFF control Protections: Short circuit/Over temperature Cooling by free air convection Fully encapsulated with IP67 level for pin and wire style Non-potted, optional conformal coating for SMD style(HSC type) Compact size Low cost, high reliability Suitable for driving illumination LED 3 years warranty General Specification Current accuracy ±3% at 24VDC input ; ±4% at 48VDC input for LDD-H/HW ; ±5% for LDD-HS Over temperature protection Protection type : Shut down, recovers automatically after temperature goes down Efficiency 97% at full load and 36VDC/48VDC input for LDD-H/HW ; 96% at full load and 36VDC/48VDC input for LDD-HS(typical) Short circuit protection Regulated at rated output current Working temperature -40°C to +85°C EMC Compliance to EN55015 class B, EN61000-4-2,3,4,6,8, EAC TP TC 020 Temp. Coefficient ±0.03% / °C Dimension (LxWxH) (mm) 31.8*20.3*12.2mm or 1.25"*0.8"*0.48" inch for LDD-H/HW ; 31.8*20.3*11.4mm or 1.25"*0.8"*0.45" inch for LDD-HS Potting material Expoxy(UL94-V0) for LDD-H/HW ; without potted for LDD-HS
