RCD-24-0.60/W/X1

  • UL/ RAILWAYS Certified Constant Current LED Driver
  • Wide Input and Output Voltage Range
  • Digital PWM and Analogue Voltage Dimming
  • Short Circuit Protected
  • Pinned or Wired Versions
  • IP67 rated for /W Version
  • 96% Efficiency
  • 5 year Warranty

The RCD series is a step-down constant current source designed for driving high power white LEDs. Standard output currents available are 300mA, 350mA, 500mA, 600mA, 700mA, 1000mA and 1200mA to make this driver compatible with a wide range of LEDs applications. Despite its compact size, the RCD series is fully featured with very high efficiency, wide input voltage range, high ambient operating temperature and two means of dimming: PWM/digital control and analogue voltage dimming. Both dimming controls are independent and can be combined. The driver is also designed to be as reliable as the LEDs it is driving, even at the full operating temperature. Options include an IP67-rated wired version (/W) and a version with built-in reference output voltage (/Vref) to power sensors or for easy analogue dimming.

Attributes RCD-24-0.60/W/X1
AC/DC or DC/DC DC/DC
Power (W) 21.0
Vin (V) 4.5 - 36.0
Main Vout (V) 2 to 35
Output Voltage Range (V) 2.0 - 35.0
Nr. of Outputs Single
Mounting Type Wired
Package Style Standard
Length (mm) 22.1
Width (mm) 12.6
Height (mm) 8.5
Certifications EN 60950-1, IEC 60950-1, UL 60950-1
MIN Operating Temp (°C) -40.0
MAX Operating Temp (°C) 75.0
Current (A) 0.6
Protections SCP
Directives RoHS 2 (6/6)
Packaging Type Airbag
Operating Modes CC, Dimming
Regulation Regulated

서류

표제 Type 날짜
recom-certificate-rohs-2.1.pdf PDF
RCD-24.pdf Datasheet
RCD-24_W_X1.step 2D/3D 2019. 7. 24
The PWM-control pin can be used as remote control pin as well. It means you can switch the unit on/off via this pin. Switching level is TTL compatible and has hysteresis to allow slow switching waveforms.
The analog voltage is used to control an internal PWM circuit.
The RCD-24 series is step-down (buck) converter. You always need a higher input voltage than the output voltage required. A high power LED usually has a forward voltage drop of around 3.4V, so only three LEDs can be drivenin series from a 12V source. If the input voltage is increased to 24V, seven LEDs can be in the chain and if the input voltage is 36V, then ten LEDs can be driven.
However, it is possible to connect chains of LEDs in parallel, so a RCD-24-7.0 can drive two chains of three 350mA LEDs connected in parallel.
Remember that this part is a constant current converter, so the output voltage is variable depending on the power needed, but it will always be lower than the input voltage.
The RCD series is a All-in-One solution in a small package with high efficiency, wide input range, two different ways of dimming Analog and Digital (PWM), high operating temperature range, and it’s fully tested. You don’t have to worry about all different suppliers of all the components of your discrete solution.
The linearity outside the 10~90% range of the PWM dimming is not perfect, but still pretty good. The Analog dimming can be used in a 0~100% range.
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