Mean Well NLDD-1200HW DC/DC LED Driver Constant Current 6V 1.2A 7.2W

LED lighting projects often fail when the driver cannot deliver a stable current under fluctuating input voltages. The Mean Well NLDD-1200HW solves this by providing a constant 1.2 A output from a wide 6–36 VDC input, ensuring consistent brightness and long LED life.

Who is it for

This driver is for lighting designers, electricians, and DIY enthusiasts building or maintaining LED systems where a reliable, compact, and efficient DC/DC converter is required. It suits applications such as cabinet lighting, accent lighting, and industrial indicator panels.

Main features

• Constant current output of 1.2 A at 6 VDC, delivering 7.2 W of power.
• Wide input voltage range from 6 to 36 VDC for flexible system integration.
• High efficiency up to 96%, reducing energy loss and heat generation.
• 3-in-1 dimming function (PWM, analog voltage, or resistor) for brightness control.
• Fully encapsulated design with built-in EMI filter for reliable operation in harsh environments.
• Compact through-hole SIP package for easy PCB mounting.

Specifications

• Input voltage: 6–36 VDC
• Output voltage: 6 VDC
• Output current: 1.2 A (1200 mA)
• Output power: 7.2 W
• Efficiency: up to 96%
• Dimming: 3-in-1 (PWM, analog voltage, resistor)
• Topology: non-isolated step-down (buck)
• Operating temperature: -40°C to +70°C
• Protection: short circuit, over temperature
• Mounting: through-hole (SIP)
• Output ripple and noise: 100 mVp-p max.
• Voltage accuracy: ±2%
• Current accuracy: ±5%
• MTBF: >1,800,000 hours (MIL-HDBK-217F)

Tips

Ensure the input voltage stays within 6–36 VDC and that the LED load matches the 6 V output to avoid damage. For dimming, use a compatible PWM signal or resistor per the datasheet. Mount in a well-ventilated area to maximize lifespan.