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Mean Well LDH-45A-350DA DC/DC LED Driver CC 350mA - Step-up
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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 Rating30.1 Watt
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Output Voltage86 Volt
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Rated Current0.35 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-350DA power a 350mA LED downlight array?
Yes, if the downlight array is specified for 350mA constant current operation and its total forward voltage is within the 24-86V CC range. This driver regulates current, so it is for constant current LED loads rather than constant voltage LED products.
Is this driver a fit for narrow signage modules or linear LED arrays?
It can be a fit when the modules or array are constant current types rated for 350mA and the full forward voltage stays within 24-86V. With a 30.1W rating, it is intended for moderate-power constant current LED applications within that range.
Can I use the LDH-45A-350DA in outdoor or cold-weather fixtures?
Yes, the IP67 waterproof rating supports exposed environments, and the operating temperature range is -40°C to +70°C. The LED load still needs to match the 350mA constant current output and 24-86V CC window.
How do I check LED compatibility for the LDH-45A-350DA?
Confirm that the LED load is a 350mA constant current design and that the total forward voltage falls between 24V and 86V. The number of LEDs depends on each LED forward voltage, so compatibility is determined by total string voltage rather than a stated LED quantity.
How does the LDH-45A-350DA compare with related 350 output-current models?
LDH-25-350 and LDH-25-350W are 25.2W models with a 12-72V CC range, while LDH-45A-350 and LDH-45A-350W are 30.1W with a 12-86V range and LDH-45A-350DA and LDH-45A-350WDA are 30.1W with a 24-86V range. LDH-45B-350 and LDH-45B-350W are 44.1W with a 21-126V CC range, and LDH-45B-350DA and LDH-45B-350WDA are 44.1W with a 36-126V CC range.
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