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Mean Well LDH-45A-1050WDA DC/DC LED Driver CC 1050mA - Step-up
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Mean Well LDH-45A-1050WDA DC/DC LED Driver CC 1050mA - Step-up
The LDH-45A is a Mean Well power converter (input range: 9~18VDC).
Key Features
- ✓ Input voltage range: 9~18VDC
- ✓ Protections: Short circuit / Over voltage
- ✓ Remote ON/OFF control
- ✓ 3 years warranty
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BrandMean Well
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SeriesLDH Series
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Power Rating45.15 Watt
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Output Voltage43 Volt
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Rated Current1.05 Ampere
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Input Voltage9V~18V
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No of Output1
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Dimming ControlDALI
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Standards MetCE,EAC
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Operation ModeConstant Current
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Operating Temperature-40°C~70°C
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Warranty3 Year
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Length2.95 in
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Width2.09 in
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Height0.89 in
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Weight0.04 lb
::specification::
Frequently Asked Questions
Can the LDH-45A-1050WDA drive a 1050mA LED downlight module?
Yes, if the downlight module is a constant current design rated for 1050mA and its total forward voltage is within the 24-43V CC range. This driver is not meant for constant voltage LED products that need a fixed output voltage.
Is the LDH-45A-1050WDA suitable for small architectural LED arrays?
It is suitable for small architectural LED arrays when the array is built as a 1050mA constant current load and remains within the 24-43V output range. The 45.15W rating supports higher-power constant current LED applications within that voltage window.
Can this driver be used in outdoor signage or wet-location fixtures?
Yes, the IP67 waterproof rating supports use where exposure to dust and water is a concern, and the operating temperature range is -40°C to +70°C. The connected LED load still needs to be a 1050mA constant current system within the 24-43V CC range.
How should I size an LED string for the LDH-45A-1050WDA?
Size the LED string so the total forward voltage falls between 24V and 43V while the load is designed for 1050mA constant current operation. The number of LEDs depends on each LED forward voltage, so there is no single fixed LED count for this model.
How does the LDH-45A-1050WDA compare to other 1050 output-current versions in the series?
LDH-45A-1050 and LDH-45A-1050W are 45.15W with a 12-43V CC range, while LDH-45A-1050DA and LDH-45A-1050WDA are 45.15W with a 24-43V CC range. LDH-45B-1050 and LDH-45B-1050W are 45.15W with 21-43V, LDH-45B-1050DA and LDH-45B-1050WDA are 45.15W with 36-43V, and LDH-65-1050 and LDH-65-1050W are 63W with a 12-60V CC range.
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