DC/DC step-down converter
Constant current: 300mA ~ 1000mA
Wide input voltage 9 ~ 56VDC
Wide output voltage: 2 ~ 52VDC
Built in EMI filter
PWM dimming and remote ON-OFF
IP67 ingress protection
LDD-H - Discontinued
Discontinued Product – Please consider using one of the alternatives below. The alternative product suggested may not be a drop in replacement. Please consult the data sheet before ordering.
Contact MEAN WELL Australia if you would like any assistance in identifying a suitable alternative.
MEAN WELL DC to DC Constant Current Step-Down LED Driver

Output |
Input |
||||
---|---|---|---|---|---|
Model | Voltage | Current (A) | Power | Input Voltage | Efficiency |
LDD-300H | 2 ~ 52VDC | 300mA | 9 ~ 56VDC | 97.00% | |
LDD-350H | 2 ~ 52VDC | 350mA | 9 ~ 56VDC | 97.00% | |
LDD-500H | 2 ~ 52VDC | 500mA | 9 ~ 56VDC | 97.00% | |
LDD-600H | 2 ~ 52VDC | 600mA | 9 ~ 56VDC | 97.00% | |
LDD-700H | 2 ~ 52VDC | 700mA | 9 ~ 56VDC | 97.00% | |
LDD-1000H | 2 ~ 52VDC | 1000mA | 9 ~ 56VDC | 97.00% | |
LDD-300HW | 2 ~ 52VDC | 300mA | 9 ~ 56VDC | 97.00% | |
LDD-350HW | 2 ~ 52VDC | 350mA | 9 ~ 56VDC | 97.00% | |
LDD-500HW | 2 ~ 52VDC | 500mA | 9 ~ 56VDC | 97.00% | |
LDD-600HW | 2 ~ 52VDC | 600mA | 9 ~ 56VDC | 97.00% | |
LDD-700HW | 2 ~ 52VDC | 700mA | 9 ~ 56VDC | 97.00% | |
LDD-1000HW | 2 ~ 52VDC | 1000mA | 9 ~ 56VDC | 97.00% | |
LDD-1200H | 2 ~ 46VDC | 1200mA | 9 ~ 52VDC | 96.00% | |
LDD-1200HW | 2 ~ 46VDC | 1200mA | 9 ~ 52VDC | 96.00% | |
LDD-1500HW | 2 ~ 46VDC | 1500mA | 9 ~ 52VDC | 96.00% | |
LDD-300HS | 2 ~ 52VDC | 300mA | 9 ~ 56VDC | 97.00% | |
LDD-350HS | 2 ~ 52VDC | 350mA | 9 ~ 56VDC | 97.00% | |
LDD-500HS | 2 ~ 52VDC | 500mA | 9 ~ 56VDC | 97.00% | |
LDD-600HS | 2 ~ 52VDC | 600mA | 9 ~ 56VDC | 97.00% | |
LDD-700HS | 2 ~ 52VDC | 700mA | 9 ~ 56VDC | 97.00% | |
LDD-1000HS | 2 ~ 52VDC | 1000mA | 9 ~ 56VDC | 97.00% |