Over 15 years experience of providing support of MEAN WELL Power Supplies
Mean Well LDD-300HW DC/DC LED Driver CC 300mA - Step-down
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Description
Description
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 |
Specifications
Specifications
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BrandMean Well
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SeriesLDD Series
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Power Rating15.6 Watt
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Output Voltage52 Volt
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Rated Current0.3 Ampere
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Input Voltage9V~56V
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Standards MetCE,EAC
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Operation ModeConstant Current
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Operating Temperature-40°C~85°C
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Warranty3 Year
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Length3.18 cm
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Width2.03 cm
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Height1.22 cm
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Weight0.02 kg
File Downloads
File Downloads
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Payment methods
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