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 LDD-300LW DC/DC LED Driver CC 300mA - Step-down
Log in to see priceThe LDD is a Mean Well power converter (input range: 2~52VDC).
Key Features
- ✓ Input voltage range: 2~52VDC
- ✓ Protections: Short circuit / Over temperature
- ✓ Remote ON/OFF control
- ✓ 3 years warranty
-
BrandMean Well
-
SeriesLDD Series
-
Power Rating9.6 Watt
-
Output Voltage32 Volt
-
Rated Current0.3 Ampere
-
Input Voltage9V~36V
-
Standards MetCE,EAC
-
Operation ModeConstant Current
-
Operating Temperature-40°C~85°C
-
Warranty3 Year
-
Length2.26 cm
-
Width0.99 cm
-
Height0.89 cm
-
Weight0.02 kg
::specification::
Frequently Asked Questions
Can I use the LDD-300LW for compact low-current LED downlights?
Yes, if the downlight is a constant current design that requires 300mA and the LED load stays within the 2-32V CC range. Its 9.6W rating makes it a fit for lower-power downlight assemblies. It should not be used where the fixture expects a constant voltage driver.
Is the LDD-300LW a good fit for very small LED arrays or indicator-style lighting?
It can be, because it provides 300mA constant current across a 2-32V range in a compact 22.6 × 9.9 × 8.9 mm package. That makes it useful for smaller constant current LED arrays where space is tight. The exact LED quantity depends on the forward voltage of each LED.
Can the LDD-300LW be used with small waterproof signage modules?
Yes, if the signage module assembly is specified for 300mA constant current and the total LED forward-voltage requirement falls between 2V and 32V. The IP67 Waterproof rating supports use in exposed or moisture-prone locations. It is not the right match for constant voltage signage modules.
How do I check whether my LEDs are compatible with the LDD-300LW?
The load must require 300mA constant current and have a total forward-voltage requirement within the 2-32V CC output range. The number of LEDs depends on each LED's forward voltage, so a fixed LED count should not be assumed. Since this is a step-down driver, the input source also needs to stay within the 9-36VAC range.
How is the LDD-300LW different from other 300mA LDD siblings?
Within the 300mA family, the LDD-300H, LDD-300HS, and LDD-300HW are 15.6W with a 2-52V range, while the LDD-300L and LDD-300LW are 9.6W with a 2-32V range. The LDD-300LS is 8.4W with a 2-28V range. The main differences are the maximum constant current voltage range, wattage, and package style.
Is the LDD-300LW suitable for harsh temperature and moisture conditions?
Yes, it is rated IP67 Waterproof and has an operating temperature range of -40°C to +85°C. Those specs support use in demanding environments when the full fixture or system is designed accordingly. Its 0.02 kg weight and small body help where enclosure space is limited.
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.
Other LDD Series Models
47 other modelsPlease log in to write a review.
Write a review
Reviews are checked before publishing. By submitting you confirm this is your genuine experience with this product.
Submitting your review…
It's published and now helps other buyers.
We're checking it and it'll appear shortly.
Please try again.
