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Mean Well LDD-1500LW DC/DC LED Driver CC 1500mA - Step-down
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Mean Well LDD-1500LW DC/DC LED Driver CC 1500mA - Step-down
Description
Description
Features
| DC/DC step-down converter |
| Constant current output: 300mA to 700mA |
| Wide input voltage: 9~36VDC |
| Wide output LED string voltage: 2~32VDC |
| High efficiency up to 95% |
| Built-in EMI filter, comply with BS EN/EN55015 and FCC part15 without additional input filter and capacitors |
| Built-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 |
| Compact size |
| Low cost, high reliability |
| Suitable for driving illumination LED |
| 3 years warranty |
General Specification
| Current accuracy | ±5% at 24VDC input |
| Over temperature protection | Protection type : Shut down, recovers automatically after temperature goes down |
| Efficiency | 95% at full load and 24VDC/36VDC input for LDD-300~700L/LW ; 95% at full load and 24VDC input for LDD-300~700LS |
| Short circuit protection | Protection type: Can be continued, recovers automatically after fault condition is removed |
| 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) | 22.6*9.9*8.9mm or 0.89"*0.39"*0.35" inch for LDD-300~700L/LW ; 25.4*10.5*9.3mm or 1"*0.4135"*0.366" inch for LDD-300~700LS |
| Potting material | Expoxy(UL94-V0) for LDD-300~700L/LW ; without potted for LDD-300~700LS |
Specifications
Specifications
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BrandMean Well
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SeriesLDD Series
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Power Rating45 Watt
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Output Voltage30 Volt
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Rated Current1.5 Ampere
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Input Voltage6V~36V
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No of Output1
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Dimming ControlPWM
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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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Length1.25 in
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Width0.8 in
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Height0.48 in
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Weight0.04 lb
File Downloads
File Downloads
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Payment & Security
Payment methods
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Frequently Asked Questions
Can I use the LDD-1500LW for a higher-current LED downlight?
Yes, if the downlight is designed for constant current operation at 1500mA and the LED load stays within the 2-30V constant current range. This model provides up to 45W, so it fits higher-current low-voltage downlight assemblies better than lower-current LDD-LW versions. It should not be used for constant voltage lighting loads.
Is the LDD-1500LW suitable for dense small LED arrays?
It can be suitable for dense small LED arrays when the array is rated for 1500mA constant current and its total forward voltage is between 2V and 30V. The exact LED quantity depends on the forward voltage of each LED, not on a fixed count. Its high efficiency of up to 97% can help in compact designs where thermal performance matters.
Can this driver be used with signage modules in outdoor equipment?
Yes, if the signage module assembly is a constant current load at 1500mA and remains within the 2-30V CC output range. The IP67 Waterproof rating supports use in exposed or moisture-prone environments. It is not intended for signage products that are built for constant voltage power supplies.
How do I verify that my LED load matches the LDD-1500LW?
The LED assembly must require 1500mA constant current, and its total forward-voltage requirement must fall inside the 2-30V CC range. The number of LEDs depends on each LED's forward voltage, so compatibility is based on the total LED string voltage rather than a stated LED count. The input side also needs to stay within the listed 6-36VAC range because this is a step-down driver.
When should I choose the LDD-1500LW instead of other LDD wire-style models?
Among the comparable wire-style low-voltage versions, LDD-1000LW is 1000mA and 30W, LDD-1200LW is 1200mA and 36W, and LDD-1500LW is 1500mA and 45W, with all three using a 2-30V constant current range. H and HW versions in the wider family support higher maximum CC voltages such as 46V or 52V, while LS versions have lower maximum CC ranges like 28V. The main selection factors are required current, voltage range, and wattage.
Is the LDD-1500LW built for harsh environmental conditions?
Yes, it carries an IP67 Waterproof rating and an operating temperature range of -40°C to +85°C. Those specs make it suitable for demanding indoor or outdoor environments when the overall system is designed within the same limits. Its compact 31.8 × 20.3 × 12.2 mm body also helps in sealed or space-limited assemblies.
