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NLDD-H and LDDS-H Power Supplies: DC/DC LED Drivers for Portable and Commercial Lighting

NLDD-H and LDDS-H DC/DC LED Power Supplies
NLDD-H and LDDS-H DC/DC LED Power Supplies

MEAN WELL has introduced NLDD-H and LDDS-H DC/DC LED Power Supplies, which are DC input LED drivers that can be applied to lighting equipment within the 48V DC or 24V DC range or can be used with lighting products for DC bus applications. These DC/DC LED Power Supplies have a step-down design, converting 48V DC input voltage into constant current output and directly drive LED modules. Moreover, with a variety of output currents, they are suitable for commercial track lighting or office indoor lighting luminaries.

 

NLDD-H provides PIN style and wire style output connection while LDDS-H offers wire style only. These devices comply with lighting regulations EN61347/EAC TP TC 004 and EMC EN55015/EAC TP TC 020 and comply with SELV (<60VDC) and Class III. NLDD-H operates from 10-56V DC and offers models with different rated current ranging between 350mA-1400mA while LDDS-H operates from 12-56V DC and offers models with different rated current ranging between 350mA-1000mA.

 

Features of LDDS-H LED Power Supply

  • DC/DC step-down converter

  • 250mA to 1000mA constant current output

  • 12VDC to 56VDC (48V typical) wide input voltage

  • 2VDC to 45VDC wide output LED forward string voltage

  • High efficiency up to 96%

  • Built-in EMI filter complies with EN55015

  • 3-in-1 dimming and remote ON/OFF control

  • Short circuit / over temperature / over current protections

  • Cooling by free air convection

  • Compact size and fully encapsulated

  • Suitable for driving illumination LED

  • Five-year warranty

 

Features of NLDD-H Power Supply

  • DC/DC step-down converter

  • 350mA to 1400mA constant current output

  • 10VDC to 56VDC (59VDC maximum) wide input voltage

  • 6VDC to 52VDC wide output LED forward voltage

  • High efficiency up to 96%

  • Complies with EN61347 and EN55015 regulations

  • Built-in PWM and remote ON/OFF control

  • Short circuit / over temperature protections

  • Cooling by free air convection

  • Fully encapsulated and compact site

  • Suitable for driving illumination LEDs

  • Three-year warranty

 

Applications

  • DC battery source lighting

  • Portable lighting

  • Commercial lighting

  • DC 48V Track lighting

  • DC 24V landscape lighting

  • STUCCHI track adapters

  • Class III applications (SELV)

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