Over 15 years experience of providing support of MEAN WELL Power Supplies
Image shown is a representation only. Exact specifications should be obtained from the product datasheet.
Mean Well LDDS-250HW DC/DC LED Driver CC 250mA - Step-down Wire Type
Notify me when it's back in stock
Your order will be processed within 24 hours
Mean Well LDDS-250HW DC/DC LED Driver CC 250mA - Step-down Wire Type
Description
Description
Features
| DC/DC step-down converter |
| Constant current output: 250mA to 1000mA |
| Wide input voltage: 12~56VDC(48V typ.) |
| Wide output LED forward voltage: 2~45VDC |
| High efficiency up to 96% |
| Built-in EMI filter, comply with BS EN/EN55015 |
| 3 in 1 dimming and remote ON/OFF control |
| Protections: Short circuit/Over temperature/ Over current |
| Cooling by free air convection |
| Compact size and Fully encapsulated |
| Suitable for driving illumination LED |
| 5 years warranty |
General Specification
| Current accuracy | ±5% at 48VDC input (or 24VDC) |
| Over temperature protection | Protection type : Shut down, recovers automatically after temperature goes down |
| Efficiency | 94%; 95%; 96% (typical) |
| Short circuit protection | Regulated at rated output current |
| Working temperature | -40°C to +55°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) | 47*12*7mm or 1.85"*0.47"*0.28" inch |
| Potting material | Expoxy(UL94-V0) |
Specifications
Specifications
-
BrandMean Well
-
SeriesLDDS Series
-
Power Rating45 Watt
-
Output Voltage45 Volt
-
Rated Current0.25 Ampere
-
Input Voltage2V~45V
-
No of Output1
-
Dimming ControlNon Dimmable
-
Standards MetCB,CCC,CE,EAC,ENEC,UL
-
Operation ModeConstant Current
-
Operating Temperature-40°C~55°C
-
Warranty5 Year
-
Length1.85 in
-
Width0.47 in
-
Height0.28 in
-
Weight0.02 lb
File Downloads
File Downloads
::specification::
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Frequently Asked Questions
Can I use the LDDS-250HW for a 250mA LED downlight?
Yes, if the downlight is a constant-current type that requires 250mA and the LED load stays within the 45-2V CC range. This is a 45W step-down constant-current driver, so it should not be paired with a constant-voltage LED product.
Is the LDDS-250HW a good fit for low-current signage modules?
It is intended for constant-current LED loads at 250mA, which can include lower-current signage modules if their operating range fits within 45-2V. Its IP67 rating also supports use in damp or exposed locations when the rest of the system is matched correctly.
Can the LDDS-250HW power a small LED array for compact lighting?
Yes, if the array is built for constant-current operation at 250mA and the total forward voltage remains inside the 45-2V range. The usable LED quantity depends on the forward voltage of each LED rather than a fixed number.
Will the LDDS-250HW work with LED strips?
Only if the strip or module is a constant-current design that expects 250mA. Standard constant-voltage LED strips are not a match, because this driver provides constant current over a 45-2V output range.
Is the LDDS-250HW suitable for outdoor or cold-weather use?
The IP67 rating supports use in wet or dusty environments, and the operating temperature range is -40°C to +55°C. That makes it a practical option for environments where the LED load and system design also stay within spec.
