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 LDB-500LW DC/DC LED Driver CC 500mA - Buck-boost
Overview
LDB-500LW is the model of this series: typical efficiency 87%. Type W: W : wire style.
Features
- DC/DC buck-boost converter
- Constant current output: 300mA to 600mA
- Wide input voltage: 9 ~ 36VDC
- Wide output LED string voltage: 2 ~ 40VDC
- High efficiency up to 91%
- Comply with BS EN/EN55015 and FCC part15
- Built-in PWM and remote ON/OFF control
- Protections: Short circuit / Over temperature
- Cooling by free air convection
- Fully encapsulated with IP67 level
- Compact size
- High reliability
- Suitable for driving illumination LED
- 3 years warranty
Model encoding
| Type | Function |
|---|---|
| Blank | Blank : pin style |
| W (this model) | W : wire style |
Specifications
OUTPUT
- CURRENT RANGE
- 500mA
- VOLTAGE RANGENote.4
- 2 ~ 32VDC
- CURRENT ACCURACY (Typ.)
- ±5%
- RIPPLE & NOISE(max.)Note.2
- 150mVp-p
- SWITCHING FREQENCY
- 1000KHz
- NO LOAD OUTPUT VOLTAGE
- 75VDC
INPUT
- VOLTAGE RANGENote.4
- 9 ~ 30VDC
- EFFICIENCY (max.) 12VDC
- 87%
- EFFICIENCY (max.) 24VDC
- 89%
- DC CURRENT Full load 12VDC
- 1590mA
- DC CURRENT Full load 24VDC
- 790mA
- DC CURRENT No load
- 2mA (Vin 24VDC)
- FILTER
- Capacitor
PWM DIMMING & ON/OFF CONTROL
- REMOTE ON/OFF
- Leave open if not use Power ON with dimming: DIM ~ -Vin >2 ~ 10VDC or open circuit Power OFF : DIM ~ -Vin < 0.5VDC or short
- PWM FREQUENCY
- 100 ~ 1KHz
- MAX. PWM SIGNAL CURRENT
- 1mA
PROTECTION
- SHORT CIRCUIT
- Regulated at rated output current Protection type: Can be continued, recovers automatically after fault condition is removed
- OVER TEMPERATURE
- Tj 145℃ typically(IC1) detect on main control IC Protection type : Shut down, recovers automatically after temperature goes down
ENVIRONMENT
- WORKING TEMP.
- -40 ~ + 70℃(Refer to derating curve)
- WORKING HUMIDITY
- 20% ~ 90% RH non-condensing
- STORAGE TEMP., HUMIDITY
- -55 ~ +125℃, 10 ~ 95% RH
- TEMP. COEFFICIENT
- ±0.03% / ℃
- VIBRATION
- 10 ~ 500Hz, 2G 10min./1 cycle, period for 60min. each along X, Y, Z axes
- OPERATING CASE TEMP. (max.)
- 115℃
EMC
- SAFETY STANDARDS
- EAC TP TC 020/2011 approved
- EMC EMISSION
- Compliance to BS EN/EN55015, FCC part 15 class B, EAC TP TC 020
- EMC IMMUNITY
- Compliance to BS EN/EN61000-4-2,3,4,6,8, light industry level, criteria A, EAC TP TC 020
OTHERS
- MTBF
- 350Khrs min. MIL-HDBK-217F (25℃)
- DIMENSION
- 31.8*20.3*12.2mm or 1.25"*0.8"*0.48" inch (L*W*H)
- WEIGHT
- LDB-L:15.6g(15pcs/Tube) ; LDB-LW:18g(20pcs/Box), Please order Base on MPQ
- POTTING MATERIAL
- Expoxy(UL94-V0)
Test conditions and notes4
- 1.All parameters are specified at normal input(24VDC), rated load, 25℃ 70% RH ambient.
- 2.Ripple & noise are measured at 20MHz by using a 12" twisted pair terminated with a 0.1uf capacitor.
- 3.The output of LDB-L should not be connected to the input of the same unit or output from other sources.
- 4. If input voltage is 36V then the output voltage operating range had better <38V.
Technical drawings
Downloads
FAQ
Can the LDB-500LW power a 500mA LED downlight module?
Yes, this is a constant current LED driver with a 500mA output, so it matches downlight modules rated for 500mA. The LED load still needs to remain within the 2-32V CC range.
Is the LDB-500LW suitable for illuminated sign modules or channel letters?
It can be used for signage modules or small LED arrays when the LEDs require 500mA constant current rather than constant voltage. The total LED forward voltage must stay inside the 2-32V constant current range.
Can this driver be used for a compact constant current LED array?
Yes, if the array is designed around 500mA operation and stays within the 2-32V output range. The driver regulates current, so it is intended for constant current arrays rather than fixed-voltage LED strips.
How do I size LEDs for the LDB-500LW?
Use the 500mA output current and the 2-32V CC output range as the main sizing criteria. The exact number of LEDs depends on the forward voltage of each LED, so compatibility is based on the total LED voltage rather than a stated LED count.
Is the LDB-500LW appropriate for outdoor or sealed applications?
The IP67 Waterproof rating makes it appropriate for applications that need strong dust and water resistance. It is also rated for -40°C to +70°C operation (refer to the derating curve), which supports use in challenging conditions.
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 LDB Series Models
7 other models| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well LDB-300L DC/DC LED Driver CC 300mA - Buck-boost | 12W | 40V | 300 Milliampere | IP67 | $8.76 | View |
| Mean Well LDB-600LW DC/DC LED Driver CC 600mA - Buck-boost | 18W | 30V | 600 Milliampere | IP67 | $9.41 | View |
| Mean Well LDB-600L DC/DC LED Driver CC 600mA - Buck-boost | 18W | 30V | 600 Milliampere | IP67 | $11.46 | View |
| Mean Well LDB-500L DC/DC LED Driver CC 500mA - Buck-boost | 16W | 32V | 500 Milliampere | IP67 | $11.46 | View |
| Mean Well LDB-350LW DC/DC LED Driver CC 350mA - Buck-boost | 14W | 40V | 350 Milliampere | IP67 | $12.04 | View |
| Mean Well LDB-350L DC/DC LED Driver CC 350mA - Buck-boost | 14W | 40V | 350 Milliampere | IP67 | $11.46 | View |
| Mean Well LDB-300LW DC/DC LED Driver CC 300mA - Buck-boost | 12W | 40V | 300 Milliampere | IP67 | $8.55 | View |
Please 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.
