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LTECH LU-75-500-1750-U1D2 Constant Current LED Driver

LTECH LU-75-500-1750-U1D2 Constant Current LED Driver

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Our Price: $65.00

Availability:: Usually Ships in 3 Business days
Product Code: LU-75-500-1750-U1D2


The LU-75-500-1750-U1D2 constant current programmable LED driver from LTECH is designed to make installations easier and deliver reliable, flicker-free performance. Equipped with DALI 2 compatibility and capable of flicker-free dimming to 0.1%, this driver is the perfect choice for commercial, residential, hospitality, and other applications needing the highest quality lighting performance. Its 500mA output current, 1750 mA maximum load capacity, and intelligent programmable interface allow for greater flexibility and easier installation, and its unique combination of features make it ideal for a wide range of LED lighting requirements. With LTECH's UL, CE, and RoHS-certification, you can be sure you're getting the highest quality product in terms of safety and reliability. Elevate your next LED lighting project to the next level with the LU-75-500-1750-U1D2 constant current programmable LED driver from LTECH.

Intelligent LED Driver(Constant Current & Programmable)
  • The output programming is adjustable and the output voltage is automatically adapted.
  • With soft-on and fade-in dimming function enhancing visual comfort.
  • T-PWM™ dimming technology allows continuous and flicker-free images under high-speed shooting.
  • 0-100% flicker-free dimming with high frequency exemption level. Dimming interface: DALI-2, Push DIM.
  • Dimming from 0~100%, down to 0.1%.
  • Energy-efficient driver: Effeciency 89%, PF>0.9, THD<10%. Comply with the EU’s ErP Directive, stand-by power consumption<0.5W.
  • Innovative thermal management technology protects the power life intelligently.
  • Overheat, over voltage , overload, short circuit protection and automatic recovery.
  • DALI bus standard: IEC62386-101,102, 207.
  • Suitable for indoor light applications ofⅠ/Ⅱ/Ⅲ type. Up to 50,000-hour life time.5-year warranty (Rubycon capacitor).

Technical Specs




Output Voltage

58Vdc (Max)

Output Voltage Range


Output Current


Output Power

Max. 75W

Output Power Range


Strobe Level

High frequency exemption level

PWM Frequency


Dimming Range

0~100%, down to 0.1%

Overload Power Limitation


Ripple & Noise

Switch ripple≤200mV, noise≤800mV


Dimming Interface

DALI-2, Push DIM

Input Voltage

100-240/277Vac (277Vac for North America only)



Input Current

Max. 0.9A/115Vac; Max. 0.45A/230Vac; Max. 0.35A/277Vac

Power Factor

PF>0.97/115Vac; PF>0.95/230Vac; PF>0.9/277Vac


115Vac@THD<6%; 230Vac@THD<10%; 277Vac@THD<10%

Efficiency (typ.)


Standby Power Loss


Inrush Current

Cold start 50A/230Vac

Anti Surge

L-N: 2KV

Leakage Current

Max. 0.7mA


Working Temperature

ta: -20~50°C tc: 85°C

Working Humidity

20 ~ 95%RH, non-condensing

Storage Temperature, Humidity

-40~80°C, 10-95%RH

Temperature Coefficient



10~500Hz, 2G 12min/1cycle, 72 min for X, Y and Z axes respectively


Overheat Protection

Intelligently adjust or turn off the output current if the PCB temperature ≥110°C, and recover automatically

Overvoltage protection

Shut down the output when non-load voltage≥58V, and recover automatically

Overload protection

Shut down the output when current load≥102%, and recover automatically

Short circuit protection

Enter hiccup mode if short circuit occurs, and recover automatically



Withstand Voltage

I/P-O/P: 3750Vac

Isolation Resistance

I/P-O/P: 100MΩ/500Vdc/25°C/70%RH

Safety Standards


European Union


EMC Emission


European Union

EN55015, EN61000-3-2, EN61000-3-3

EMC Immunity

EN61000-4-2,3,4,5,6,8,11, EN61547

Strobe Test Standard

IEEE 1789




Package size


Gross weight(G.W)


Technical Data
Warranty Agreement
  • Warranty periods from the date of delivery: 5 years.
  • Free repair or replacement services for quality problems are provided within warranty periods.

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