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LDDS-500H
4.73
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Meanwell LDDS-500H is 45W DC-DC Step-Down LED driver with 500mA2-45VDC±5% at 48VDC input (or 24VDC)350mVp-p40KHz~1000KHz2.2uF12~56VDC95.00%400mA6mA. It is designed in compact size and constant current output. Meanwhile, the product operates from 12~ 56VDC with rated current 500mA. The efficiency reaches high up to 96%, and the 94V-0 flame retardant plastic case fully-potted enhances the heat dissipation, which allows LDDS-500H to meet with classⅢcommercial track light or DC bus lighting application. LDD, LDB, LDH series are all DC-DC constant current output LED drivers, LDD is step-down type, LDH is step-up type, and LDB is buck-boost type model. The packaging forms have three forms: pin type, lead type and SMD chip type, which is convenient for various application scenarios. In view of its longevity, high reliability and low cost, Meanwell LDDS-500H is an ideal solution for driving illumination LED
Meanwell LDDS-500H Encoding
| LDDS | Series Name |
| 500 H | Output Current ( 250/300/350/500/700/1000mA) |
| W | Wire Style |
| B | Blank: Remote ON/OFF Control |
| B: 3 in 1 Dimming function |
Meanwell LDDS-500H Specifications
| ORDER NO. | LDDS-500H | |
| OUTPUT | CURRENT RANGE | 500mA |
| VOLTAGE RANGE | 2-45VDC | |
| CURRENT ACCURACY (Typ.) | ±5% at 48VDC input (or 24VDC) | |
| RIPPLE & NOISE (max.) | 350mVp-p | |
| SWITCHING FREQENCY | 40KHz ~ 1000KHz | |
| EXTERNAL CAPACITANCE LOAD (max) | 2.2uF | |
| Input | VOLTAGE RANGE | 12 ~ 56VDC |
| EFFICIENCY (Typ.) | 95.00% | |
| DC CURRENT Full load | 400mA | |
| DC CURRENT No load | 6mA | |
| FILTER | Capacitor | |
| REMOTE ON/OFF & 3 IN 1 DIMMING | REMOTE ON/OFF | Leave open if not use |
| Power ON with dimming: DIM ~ -Vin >2.5 ~ 15VDC or open circuit | ||
| Power OFF : DIM ~ -Vin < 0.3VDC or short | ||
| PWM FREQUENCY | 100 ~ 1KHz (4mA at PWM dimming off) | |
| 3 IN 1 DIMMING | 0 ~ 10V / PWM / Resistor Dimming | |
| PROTECTION | SHORT CIRCUIT | Regulated at rated output current |
| Protection type: Can be continued, recovers automatically after fault condition is removed | ||
| OVER TEMPERATURE | Tj 150℃typically(IC1) detect on main control IC | |
| Protection type : Shut down, recovers automatically after temperature goes down | ||
| ENVIRONMENT | WORKING TEMP. | -40 ~ + 55℃ (Refer to derating curve) @ full load |
| 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.) | 90℃ | |
| SAFETY & EMC | SAFETY STANDARDS | EAC TP TC 020/2011 approved |
| EMC EMISSION | Compliance to BS EN/EN55015, 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 | 650Khrs min. MIL-HDBK-217F (25℃) |
| DIMENSION | 47*12*7mm or 1.85"*0.47"*0.28" inch (L*W*H) | |
| WEIGHT | LDDS-HW: 9.5g, 36pcs/box, 0.43kg/box. 12 box per carton/6kg LDDS-HWB: 9.4g, 36pcs/box, 0.43kg/box. 12 box per carton/6kg |
|
| POTTING MATERIAL | Expoxy (UL94-V0) | |
Meanwell LDDS-500H Features
l 5 years warranty
l High efficiency up to 96%
l DC/DC step-down converter
l Cooling by free air convection
l Compact size and Fully encapsulated
l Suitable for driving illumination LED
l Wide input voltage: 12~56VDC (48V typ.)
l Constant current output: 250mA to 1000mA
l 3 in 1 dimming and remote ON/OFF control
l Wide output LED forward string voltage: 2 ~ 45VDC
l Built-in EMI filter, comply with BS EN/EN55015
l Protections: Short circuit/Over temperature/Over current
Meanwell LDDS-500H Applications
l DC battery source lighting
l Portable lighting
l Commercial lighting
l DC 48V Track lighting
l DC 24V landscape lighting
l For STUCCHI track adapters
l For class Ⅲ application (SELV)
Meanwell LDDS-500H Mechanical Diagram
More Information
| Brand | Meanwell |
|---|
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