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Mean Well LDH DC/DC LED Driver CC 700mA - Step-up
Overview
LDH-65-700 is the model of this series: rated current 700mA, rated power 56.0W, typical efficiency 91%/12V 95%/24V.
LDH-65 series is a 65W DC/DC LED driver featuring constant current output. LDH-65 operates from 9.5～32VDC and offers models with different rated current ranging between 700mA and 1750mA. With the high efficiency up to 96%, The 94V-0 flame retardant plastic case the fully-potted silicone enhance the heat dissipation allows this series to fit solar LED street light. LDH-65 is equipped with various function options, such as dimming methodologies, so as to provide the optimal design flexibility for DC source LED lighting system.
Features
- Wide DC input voltage operation 9.5~32V
- DC/DC step-up converter
- Constant current output : 700mA to 1750mA
- Wide output LED forward voltage up to 80V DC
- High efficiency up to 96%
- 2 in 1 dimming (0-10V,PWM)
- Protections: Short circuit / Over voltage
- Cooling by free air convection
- Fully encapsulated
- 3 years warranty
Specifications
OUTPUT
- RATED CURRENT
- 700mA
- CURRENT ACCURACY(Typ.)
- ±5% at 12VDC input and 24VDC input
- VOLTAGE RANGENote.2
- 12.5~80VDC
- RATED POWER
- 56.0W
- CURRENT RIPPLE
- 5%(@rated current)
INPUT
- VOLTAGE RANGENote.2
- 9.5~32VDC
- EFFICIENCY (Typ.)
- 91%/12V 95%/24V
- DC CURRENT (Typ.)
- 6.2A/12VDC, 3.1A/24VDC
DIMMING
- DIMMING FUNCTIONNote.2
- Leave open if not used 1KHz-3KHz 10V PWM signal or 0-10V DC input
- QUIESCENT INPUT CURRENT IN SHUTDOWN MODE(Typ.)
- 10mA when PWM dimming OFF @12VDC
PROTECTION
- SHORT CIRCUIT
- Output short circuit, the power supply will be damaged
- OVER VOLTAGE
- 81~120V
- NO LOAD
- Output voltage rise to OVP, and drop equal to input voltage, re-power to recovery
ENVIRONMENT
- WORKING TEMP.
- -40 ~ +60℃ (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.)
SAFETY & EMC
- SAFETY STANDARDS
- LVD BS EN/EN61347-1, BS EN/EN61347-2-13, EAC TP TC 004 approved
- EMC EMISSIONNote.5
- 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
- 9118.4K hrs min. Telcordia TR/SR-332(Bellcore); 874.9 Khrs min. MIL-HDBK-217F (25℃)
- DIMENSION
- 75*53*22.7mm (L*W*H)
- PACKING
- Pin mounted style: 152g; 100pcs/15.2kg/0.86CUFT Lead wire style: 159g; 100pcs/15.9kg/1.07CUFT
Test conditions and notes5
- 1.All parameters are specified at normal input(12VDC), rated load, 25℃ 70% RH ambient.
- 2.Non dimming application: Output voltage must step up by 3 volts from input DC voltage Dimming application: Output voltage must be twice higher than the input DC voltage If input voltage down below 11, the output current may drop to more than 80% of the rated current
- 3.This series meets the typical life expectancy of >35,000 hours of operation when Tcase, particularly tc point (or TMP, per DLC), is about 80℃ or less.
- 4.The ambient temperature derating of 3.5℃/1000m with fanless models and of 5℃/1000m with fan models for operating altitude higher than 2000m(6500ft).
- 5.BS EN/EN55015 EMI testing layout is based on DC input with a battery source.
Technical drawings
Typical applications
- DC battery source lighting
- Portable lighting
- LED solar street lighting
- LED greenhouse lighting
- LED Low-bay lighting
Downloads
FAQ
Can I use the LDH-65-700 for LED downlights that need 700mA?
Yes, this model is intended for constant current LED loads that require 700mA and have a total forward voltage within the 12.5-80V CC output range. Its 56W rating makes it suitable for downlight assemblies that need current regulation rather than constant voltage power.
Is the LDH-65-700 suitable for long-series LED signage modules?
It can be suitable for signage modules when the LED load is a constant current 700mA design and the total LED forward voltage stays within 12.5-80V. It is not intended for standard constant voltage signage products.
Can this driver power a small LED array with a higher forward voltage requirement?
Yes, the LDH-65-700 has a 12.5-80V CC output range, which gives it more voltage headroom than the 1750mA versions in the same family. That makes it a better fit for 700mA constant current arrays with a higher combined forward voltage.
How do I size an LED load for the LDH-65-700?
The LED load must be designed for 700mA constant current operation, and the total LED forward voltage has to stay inside the 12.5-80V CC output range. The number of LEDs depends on each LED's forward voltage, so there is no single maximum LED count that applies to every array.
How does the LDH-65-700 compare with the other LDH-65 models?
Within the LDH-65 group, the sibling specs are: LDH-65-700W at 700mA with a 12.5-80V CC range and 56W, LDH-65-1050 and LDH-65-1050W at 1050mA with a 12.5-60V CC range and 63W, LDH-65-1400 and LDH-65-1400W at 1400mA with a 12.5-46V CC range and 64.4W, and LDH-65-1750 and LDH-65-1750W at 1750mA with a 12.5-37V CC range and 64.75W. The LDH-65-700 offers the widest CC voltage range in the LDH-65 family, while keeping the output current at 700mA.
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