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Mean Well LDD-350H DC/DC LED Driver CC 350mA - Step-down

constant current, step down, high efficiency up to 97%, IP67, pin style

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Description

Features

DC/DC step-down converter
Constant current output: 300mA to 1500mA
Wide input voltage: 9~56VDC
Wide output LED string voltage: 2~52VDC
High efficiency up to 97%
Built-in EMI filter, comply with BS EN/EN55015 and FCC part15 without additional input filter and capacitors
Build-in PWM and remote ON/OFF control
Protections: Short circuit/Over temperature
Cooling by free air convection
Fully encapsulated with IP67 level for pin and wire style
Non-potted, optional conformal coating for SMD style(HSC type)
Compact size
Low cost, high reliability
Suitable for driving illumination LED
3 years warranty

General Specification 

Current accuracy ±3% at 24VDC input ; ±4% at 48VDC input for LDD-H/HW ; ±5% for LDD-HS
Over temperature protection Protection type : Shut down, recovers automatically after temperature goes down
Efficiency 97% at full load and 36VDC/48VDC input for LDD-H/HW ; 96% at full load and 36VDC/48VDC input for LDD-HS(typical)
Short circuit protection Regulated at rated output current
Working temperature -40°C to +85°C
EMC Compliance to EN55015 class B, EN61000-4-2,3,4,6,8, EAC TP TC 020
Temp. Coefficient ±0.03% / °C
Dimension (LxWxH) (mm) 31.8*20.3*12.2mm or 1.25"*0.8"*0.48" inch for LDD-H/HW ; 31.8*20.3*11.4mm or 1.25"*0.8"*0.45" inch for LDD-HS
Potting material Expoxy(UL94-V0) for LDD-H/HW ; without potted for LDD-HS

Specifications

  • Brand
    Mean Well
  • Series
    LDD Series
  • Power Rating
    18.2 Watt
  • Output Voltage
    52 Volt
  • Rated Current
    0.35 Ampere
  • Input Voltage
    9V~56V
  • Standards Met
    CE,EAC
  • Operation Mode
    Constant Current
  • Operating Temperature
    -40°C~85°C
  • Warranty
    3 Year
  • Length
    3.18 cm
  • Width
    2.03 cm
  • Height
    1.22 cm
  • Weight
    0.02 kg

File Downloads

::specification::

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Mean Well LDD-350H DC/DC LED Driver CC 350mA - Step-down
Mean Well

Mean Well LDD-350H DC/DC LED Driver CC 350mA - Step-down

Features

DC/DC step-down converter
Constant current output: 300mA to 1500mA
Wide input voltage: 9~56VDC
Wide output LED string voltage: 2~52VDC
High efficiency up to 97%
Built-in EMI filter, comply with BS EN/EN55015 and FCC part15 without additional input filter and capacitors
Build-in PWM and remote ON/OFF control
Protections: Short circuit/Over temperature
Cooling by free air convection
Fully encapsulated with IP67 level for pin and wire style
Non-potted, optional conformal coating for SMD style(HSC type)
Compact size
Low cost, high reliability
Suitable for driving illumination LED
3 years warranty

General Specification 

Current accuracy ±3% at 24VDC input ; ±4% at 48VDC input for LDD-H/HW ; ±5% for LDD-HS
Over temperature protection Protection type : Shut down, recovers automatically after temperature goes down
Efficiency 97% at full load and 36VDC/48VDC input for LDD-H/HW ; 96% at full load and 36VDC/48VDC input for LDD-HS(typical)
Short circuit protection Regulated at rated output current
Working temperature -40°C to +85°C
EMC Compliance to EN55015 class B, EN61000-4-2,3,4,6,8, EAC TP TC 020
Temp. Coefficient ±0.03% / °C
Dimension (LxWxH) (mm) 31.8*20.3*12.2mm or 1.25"*0.8"*0.48" inch for LDD-H/HW ; 31.8*20.3*11.4mm or 1.25"*0.8"*0.45" inch for LDD-HS
Potting material Expoxy(UL94-V0) for LDD-H/HW ; without potted for LDD-HS
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