RCD-48 Constant Current Buck LED Driver

70 W buck-driver from RECOM powers longer LED-strings and larger multi-chip arrays

Image of Recom Power's RCD-48 Constant Current Buck LED DriverThe LED Lighting industry is blossoming, especially as LED strings become longer and multi-chip arrays larger. With larger arrays and strings, the required input voltage for buck-drivers has increased, along with the amount of constant current that needs to be supplied. The problem is that most currently available models have a limit of approximately 40 V.

Not any longer with the introduction of RECOM Power's RCD-48 Series. The RCD-48 series is a step-down, constant current source designed for driving high power LED applications. With input voltage up to 60 VDC and constant current outputs of 350, 500, 700 and 1200 mA, the RCD-48 Series provides power up to 70 W. A fixture using the full wattage could possibly replace a conventional light that could have used up to 350 W. The buck-driver is ideal for operation with the longer LED chains and larger multi-chip arrays – a real technical achievement perfect for applications like 48 V bus lighting solutions or high voltage LED arrays (e.g. high bay lights).

The RCD-48-drivers are dimmable down to zero with external digital (PWM) or analogue control. The PWM control input can be directly connected to a microcontroller. Efficiency is rated at 96%, with an operating temperature range of -40°C to +85°C. The modules are available with pins for PCB mounting or with flying leads for non pcb applications. While the powerful 1200 mA version features a metal case, the smaller models are designed in plastic cases. All types are certified to the EN/UL-60950-1 standard. The MTBF is specified at MIL-HDBK217F with 1.7 million hours and a 5 year warranty.

  • 70 W buck LED driver
  • Constant current output (350 to 1200 mA)
  • Digital PWM and analogue voltage dimming
  • High efficiency to 96%
  • Metal or plastic case version
  • Through hole case or wired version
  • Five year warranty
  • EN-60950-1 (pending) and UL-60950-1 (pending)

RCD-48 Series

ImageManufacturer Part NumberDescriptionAvailable Quantity
RCD-48-1.20/M datasheet linkLED SUPP CC BUCK 2-56V 1.2A 7DIPRCD-48-1.20/MLED SUPP CC BUCK 2-56V 1.2A 7DIP315 - Immediate
RCD-48-1.20/M product page link
RCD-48-0.70 datasheet linkLED SUPPLY CC BUCK 2-56V 700MARCD-48-0.70LED SUPPLY CC BUCK 2-56V 700MA461 - Immediate
377 - Factory Stock
RCD-48-0.70 product page link
RCD-48-0.70/W datasheet linkLED SUPPLY CC BUCK 2-56V 700MARCD-48-0.70/WLED SUPPLY CC BUCK 2-56V 700MA20 - Immediate
96 - Factory Stock
RCD-48-0.70/W product page link
RCD-48-0.50/W datasheet linkLED SUPPLY CC BUCK 2-56V 500MARCD-48-0.50/WLED SUPPLY CC BUCK 2-56V 500MA9 - Immediate
RCD-48-0.50/W product page link
RCD-48-0.35 datasheet linkLED SUPPLY CC BUCK 2-56V 350MARCD-48-0.35LED SUPPLY CC BUCK 2-56V 350MA116 - Factory StockRCD-48-0.35 product page link
RCD-48-0.35/W datasheet linkLED SUPPLY CC BUCK 2-56V 350MARCD-48-0.35/WLED SUPPLY CC BUCK 2-56V 350MA10 - Immediate
132 - Factory Stock
RCD-48-0.35/W product page link
RCD-48-0.50 datasheet linkLED SUPPLY CC BUCK 2-56V 500MARCD-48-0.50LED SUPPLY CC BUCK 2-56V 500MA638 - Factory StockRCD-48-0.50 product page link
RCD-48-1.00 datasheet linkLED SUPPLY CC BUCK 2-56V 1ARCD-48-1.00LED SUPPLY CC BUCK 2-56V 1A87 - Factory StockRCD-48-1.00 product page link
RCD-48-1.00/W datasheet linkLED SUPPLY CC BUCK 2-56V 1ARCD-48-1.00/WLED SUPPLY CC BUCK 2-56V 1A12 - Factory StockRCD-48-1.00/W product page link
Published: 2012-06-29