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LDH-25-500
7.36
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Meanwell LDH-25-500 is 25W DC-DC Step-Up LED drive with 500mA12.5-50VDC25W9.5~32VDC91.5%/12V 94%/24V2.5A/12VDC1.2A/24VDC51-80V. The unit stands out with constant current output, and could work from 9.5~ 32VDC with rated current 500mA. Since the efficiency reaches high up to 95.5% with 94V-0 flame retardant plastic case, and fully-potted silicone enhances the heat dissipation. They make it possible to meet solar LED street light. Apart from them, it is supplied with various function options such as dimming methodologies. In light of its long lifetime, high efficiency and excellent quality, Meanwell LDH-25-500 is an ideally suitable solution for the optimal design flexibility for DC source LED lighting system.
Meanwell LDH-25-500 Encoding
| LDH | Series Name |
| 25 | Rated Wattage |
| 500 | Output Current ( 250/350/500/700mA) |
| W | Blank: Pin mounted Style |
| W: Lead Wire Style |
Meanwell LDH-25-500 Specifications
| Model | LDH-25-500□ | |
| OUTPUT | RATED CURRENT | 500mA |
| CURRENT ACCURACY (Typ.) | ±5% at 12VDC input and 24 VDC Input | |
| VOLTAGE RANGE | 12.5-50VDC | |
| RATED POWER | 25W | |
| CURRENT RIPPLE | 5%( at rated current) | |
| Input | VOLTAGE RANGE | 9.5~32VDC |
| EFFICIENCY (Typ) | 91.5%/12V 94%/24V | |
| DC CURRENT (Typ) | 2.5A/12VDC, 1.2A/24VDC | |
| DIMMING | DIMMING FUNCTION | Leave open if not used |
| 1KHz-3KHz 10V PWM signal or 0-10V DC input | ||
| QUIESCENT INPUT CURRENT IN SHUTDOWN MODE(Typ.) |
7mA when PWM dimming OFF at12VDC | |
| PROTECTION | SHORT CIRCUIT | Output short circuit, the power supply will be damaged |
| OVER VOLTAGE | 51-80V | |
| NO LOAD | Output voltage rise to OVP, and drop equal to input voltage, re-power to recovery | |
| ENVIRONMENT | WORKING TEMP. | -40 ~ +70℃ (Refer to "Derating Curve") |
| WORKING HUMIDITY | 20 ~ 90% RH non-condensing | |
| STORAGE TEMP., HUMIDITY | -40 ~ +85℃, 10 ~ 95% RH | |
| TEMP. COEFFICIENT | ±0.03%/℃ (0 ~ 50℃) | |
| VIBRATION | 10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes | |
| SOLDERING TEMPERATURE | Wave soldering: 265℃,5s (max.); Manual soldering: 390℃,3s (max.) | |
| EMC | SAFETY STANDARDS | LVD BS EN/EN61347-1, BS EN/EN61347-2-13, EAC TP TC 004 approved |
| EMC EMISSION | Compliance to BS EN/EN55015;EAC TP TC 020 | |
| EMC IMMUNITY | Compliance to BS EN/EN61547,BS EN/EN61000-4-2,3,4,6,8; light industry level,EAC TP TC 020 | |
| Others | MTBF | 12369.5K hrs min. Telcordia TR/SR-332(Bellcore); 896.4Khrs min. MIL-HDBK-217F (25℃) |
| DIMENSION | 52.4*27.2*24mm (L*W*H) | |
| PACKING | Pin mounted style: 50g, 200pcs/11Kg/0.89CUFT; Lead wire style: 57g, 200pcs/12.4kg/0.98CUFT | |
Meanwell LDH-25-500 Features
l Fully encapsulated
l 3 years warranty
l DC/DC step-up converter
l High efficiency up to 95.5%
l Cooling by free air convection
l 2 in1dimming (0- 10V, PWM)
l Protections: Short circuit/Over voltage
l Wide DC input voltage operation 9.5~32V
l Constant current output: 250mA to 700mA
l Wide output LED forward voltage up to 84VDC
Meanwell LDH-25-500 Applications
l DC battery source lighting
l Portable lighting
l LED solar street lighting
l LED greehouse lighting
l LED Low-bay lighting
Meanwell LDH-25-500 Mechanical Diagram
More Information
| Brand | Meanwell |
|---|
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