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Mean Well LDH-45B-500 DC/DC LED Driver CC 500mA - Step-up
Description
Description
The LDH-45B 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
Specifications
Specifications
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BrandMean Well
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SeriesLDH Series
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Power Rating43 Watt
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Output Voltage86 Volt
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Rated Current0.5 Ampere
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Input Voltage18V~32V
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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~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
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Payment & Security
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Frequently Asked Questions
Can I use the LDH-45B-500 for a 500mA LED downlight?
Yes, this driver is designed for constant current LED loads at 500mA, including downlights that require that drive current. The LED load must operate within the 21-86V CC range and stay within the 43W rating.
Will this driver work with constant current LED signage modules?
It can be used for signage modules when the LED module string is specified for 500mA constant current input. It is not a constant voltage unit, so the deciding factor is whether the total LED forward voltage is inside the 21-86V range.
Is the LDH-45B-500 suitable for a small LED array that needs more current than 350mA?
Yes, this model provides 500mA constant current instead of 350mA, which makes it a better fit for arrays designed around that higher drive current. The array still needs to match the 21-86V CC window and the 43W maximum power.
Can this driver be used where moisture, dust, or temperature swings are a concern?
The IP67 waterproof rating makes it appropriate for more demanding environmental exposure than non-sealed drivers. It is also rated for operation from -40°C to +70°C, which supports use in both cold and hot conditions.
How do I determine LED compatibility for the LDH-45B-500?
Your LED load must require 500mA constant current and have a combined forward voltage within the 21-86V CC output range. The number of LEDs depends on each LED's forward voltage, so compatibility should be checked by total forward voltage, not by a fixed LED count.
How does the LDH-45B-500 compare with the other 500mA LDH-45B variants?
LDH-45B-500 and LDH-45B-500W are rated at 500mA, 21-86V, and 43W, while LDH-45B-500DA and LDH-45B-500WDA are rated at 500mA, 36-86V, and 43W. Within this subgroup, the output current and power are the same, while the CC range and suffix differ.
