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-500L DC/DC LED Driver CC 500mA - Buck-boost
Log in to see priceOverview
LDB-500L is the model of this series: typical efficiency 87%. Type Blank: Blank : pin 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
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)
MODEL ENCODING
- Blank (this model)
- Blank : pin style
- W
- W : wire style
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-500L be used for a 500mA LED downlight?
Yes, this driver is intended for constant current LED loads and provides 500mA output. It is a fit for 500mA downlight modules as long as the load stays within the 2-32V CC range and the input-dependent limits of the safe operating area.
Is this a good choice for LED sign lighting modules?
It can work for signage modules or small LED arrays that are specified for 500mA constant current operation. Because it is not a constant voltage model, it should not be matched to LED products that expect a fixed voltage supply.
Can I use the LDB-500L for a compact LED array in a low-voltage system?
Yes, that is a common fit when the LED array is designed for 500mA constant current and falls within the 2-32V output range. The buck-boost design and 9-30VDC input make it suitable where input voltage can vary within that range.
What should I check to confirm LED compatibility with the LDB-500L?
The key checks are output current and constant current voltage range. This driver delivers 500mA with a 2-32V CC range, and the number of LEDs it can run depends on the forward voltage of each LED, not on a single fixed quantity.
Can the LDB-500L be used in harsh environments?
It is fully encapsulated with an IP67 rating, so it is suited to locations where dust and water resistance are required. Its operating temperature range is -40°C to +70°C (refer to the derating curve), which also supports demanding environmental 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 | |
|---|---|---|---|---|---|
| Mean Well LDB-600LW DC/DC LED Driver CC 600mA - Buck-boost | 18W | 30V | 600 Milliampere | IP67 | View |
| Mean Well LDB-600L DC/DC LED Driver CC 600mA - Buck-boost | 18W | 30V | 600 Milliampere | IP67 | View |
| Mean Well LDB-500LW DC/DC LED Driver CC 500mA - Buck-boost | 16W | 32V | 500 Milliampere | IP67 | View |
| Mean Well LDB-350LW DC/DC LED Driver CC 350mA - Buck-boost | 14W | 40V | 350 Milliampere | IP67 | View |
| Mean Well LDB-350L DC/DC LED Driver CC 350mA - Buck-boost | 14W | 40V | 350 Milliampere | IP67 | View |
| Mean Well LDB-300LW DC/DC LED Driver CC 300mA - Buck-boost | 12W | 40V | 300 Milliampere | IP67 | View |
| Mean Well LDB-300L DC/DC LED Driver CC 300mA - Buck-boost | 12W | 40V | 300 Milliampere | IP67 | 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.
