Features Regulated Converters UL Certified Constant Current LED Driver Wide Input and Output Voltage Range Digital PWM and Analogue Voltage Dimming Short Circuit and Overtemperature Protected Pin, Wire or Open Frame SMD Versions IP67 rated for /W Version 96% Efficiency 5 year Warranty LIGHTLINE DC/DC-Converter with 5 year Warranty Constant Current LED Driver Description 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), an open frame version with SMD pins (/SMD/OF) and a version with built-in reference output voltage (/Vref) to power sensors or for easy analogue dimming. Selection Guide Part Number Input Range (VDC) 4.5-36V Output Output Dimming Current Voltage Control (mA) (Vmin-Vmax) 0-300 2-35 Digital + Analogue (a)(b) 4.5-36V 0-350 2-35 RCD-24-0.50(a)(b) 4.5-36V 0-500 2-35 (a)(b) 4.5-36V 0-600 RCD-24-0.70(a)(b) 4.5-36V 0-700 (b) 6-36V RCD-24-1.20(b) 6-36V RCD-24-0.30(a)(b) RCD-24-0.35 RCD-24-0.60 RCD-24-1.00 Options Mounting Style Vref Pins, SMD or Wired Digital + Analogue Vref Pins, SMD or Wired Digital + Analogue Vref Pins, SMD or Wired 2-35 Digital + Analogue Vref Pins, SMD or Wired 2-35 Digital + Analogue Vref Pins, SMD or Wired 0-1000 3-33 Digital + Analogue Pins or Wired 0-1200 3-33 Digital + Analogue Pins or Wired RoHS 2002/95/EC 6/6 E224736 EN-60950-1 Certified UL-60950-1 Certified (Vref Version Pending) (a)(b) Standard is no suffix with PCB Pins. Add suffix /Vref for pinned or SMD versions with Vref output and analogue dimming (a) Add suffix /SMD/OF for open frame version with SMD solderpins (/SMD/OF-R for Tape and Reel Packaging) (b) Add suffix /W for wired version without dimming control (four wires) (b) Add suffix /W/X1 for wired version with analogue dimming control (five wires) (b) Add suffix /W/X2 for wired version with PWM dimming control (five wires) (b) Add suffix /W/X3 for wired version with both analogue and PWM dimming controls (six wires) (a) Add suffix /W/Vref for wired version with Vref output and analogue dimming (six wires) (a) ( typical at 25C, nominal input voltage, rated output current unless otherwise specified ) Input Voltage (absolute maximum) Recommended Input Voltage 300mA-700mA 1000mA-1200mA 40VDC max 5V min. / 24V typ. / 36VDC max 6V min. / 24V typ. / 36VDC max Input Filter Output Current Accuracy (Vin = 24DC) 300mA-700mA 1000mA-1200mA Capacitor 1% typ, 3% max. 2% typ, 5% max. Internal Power Dissipation Worst case load of 5 LEDs 800mW max Output Current Stability Output Ripple and Noise (20MHz BW) Vin=36V, Vout =1-9 LEDs Vin=36V, Vout =1-9 LEDs 300mA-700mA 1000mA-1200mA 1% max 150mVp-p max 300mVp-p max Temperature Coefficient Maximum Capacitive Load Operating Frequency -40C~+85C ambient 300mA-700mA 1000mA-1200mA 0.015%/C max 100F 210kHz min/ 250kHz typ/ 280kHz max 350kHz min/ 450kHz typ/ 550kHz max Efficiency at Full Load Short Circuit Protection 96% max. Regulated at rated output current continued on next page www.recom-international.com REV:1/2011 Derating Graph (Ambient Temperature) 65 1200 1100 1000 900 Output Current (mA) Specifications RCD-24 800 71 Natural Convection 700 600 500 75 80 85 350 300 -40 -20 0 20 40 60 80 100 Ambient Temperature (C) Refer to Application Notes 1 RCD-24 Series LIGHTLINE DC/DC-Converter Specifications -Continued Operating Temperature Range (free air convection) 300mA-350mA 500mA 600mA 700mA-1000mA 1200mA -40C to +85C -40C to +80C -40C to +75C -40C to +71C -40C to +65C Storage Temperature Range Overtemperature Shutdown (Auto-restart after cool down) Maximum Case Temperature Internal IC Temperature Temperature Hysteresis Thermal Impedance Natural Convection Case Material (Pinned or Wired Versions) Digital Dimming PWM Digital Control Signal 1 0 -55C to +125C 150C typ. 20C typ. 100C 50~ 200Hz Typ. Output Current (LED appears dim) 55C/Watt Non Conductive Black Plastic 0 50~ 200Hz Typ. Output Current (LED appears bright) Analogue Dimming Standard Version: Analogue Input Voltage 100% 0% 0.13V 1V 4V 10V 4.5V 15V Vref Version: Vref Version Analogue Input Voltage 100% 0% 0.13V 1V 2V 3V 3.3V Voltage Control (0-5V max) 4V 5V Combined PWM and Analogue Dimming Relative Humidity /W Versions Conducted Emissions (with filter, see note) Radiated Emissions (all series except >700mA) ESD (all series) Radiated Immunity (all series) Fast Transient (all series) Conducted Immunity (all series) MTBF (RCD-24-0.70, Nominal Vin, Full Load) using MIL-HDBK 217F 3V Voltage Control (0-15V max) Quiescent Input Current in Shutdown Mode Maximum PWM Frequency Environmental 2V Output Current Vin=36V 200A max For 1% Linear Operation 200Hz max. Frequency Limit 2000Hz max. Analogue Dimming Control (leave open if not used - do not tie to +Vin) Input Voltage Limits Standard -0.3V - 15V Vref Version -0.3V - 5V Control Voltage Range Full On 0.13V 50mV (see Graphs) Standard: Full Off 4.5V 50mV Vref Version: Full Off 3.3V 50mV Analogue Pin Drive Current Vc=5V 0.2mA max. Vref Version Vref Voltage 3.3V 70mV Vref Output Current 5mA Vref Output Short Circuit Current 18mA typ. 1 Output Current RCD-24 Epoxy (UL94-V0) Pinned/Wired 22.1 x 12.6 x 8.5mm SMD 21.0 x 11.4 x 10mm Weight Pinned/Wired 4.5g/6.8g SMD 1.9g Soldering Profile Pinned 265C/10 sec. max SMD 245C/30 sec. max Packing Quantities Pinned Versions 39pcs per Tube (Refer to App Notes for Tube sizes) SMD Versions 21pcs per Tube SMD Tape and Reel 500pcs per Reel Wired Versions 5pcs per Bag PWM Dimming and ON/OFF Control (Leave open if not used - do not tie to +Vin) Remote ON/OFF DC/DC ON 300mA-700mA Open or 0V660 Ohm. Typical Response Curve (PTC = 500 Ohm @ 70C) 100% Output Current RCD-24 LED Temperature Monitoring 0% 25 4 50 70 60 LED Temperature (C) 80 90 REV:1/2011 www.recom-electronic.com RCD-24 Series LIGHTLINE DC/DC-Converter Package Style and Pinning Pinned Version 3rd angle projection 22.10 12.55 Pin Connections 8.50 4.1 0.6 7.62 17.5 1.00 o+0.15/0 5 4 3 Bottom View 2 6 1 2.30 2.46 2.54 Top View RCD-24 Series Pin # Out Comments 1 +Vin DC Supply 2 Analogue Dimming Leave open if not used 3 PWM/ON/OFF Leave open if not used (3 Vref Vref Version only) 4 GND Do not connect to -Vout 5 -Vout LED Cathode Connection 6 +Vout LED Anode Connection XX.X 0.5 mm XX.XX 0.25 mm Pin Tolerance 0.1 mm 2.54 Recommended Footprint Details Leave >1mm space arround case on PCB for air circulation SMD Version 1.8 3.380 21.00 17.8 1.9 3rd angle projection 3.180 1.90 2.54 1.90o SMT Pad Pin Connections Pin # 7.6 RCD-24 1.0 6.6 5 4 3 Bottom View 2 6 1 Solderball Pin after Reflow 11.42 2.54 Top View 2.54 RCD-24 SMD Series Out Comments 1 +Vin DC Supply 2 Analogue Dimming Leave open if not used 3 PWM/ON/OFF Leave open if not used (3 Vref Vref Version only) 4 GND Do not connect to -Vout 5 -Vout LED Cathode Connection 6 +Vout LED Anode Connection XX.X 0.5 mm XX.XX 0.25 mm XX.XXX 0.01 mm The reference codes for standard parts are: Due to the compact size of the Open Frame version, a product code label is used instead of the whole part number. The product code consists of RCD xxxx (where xxxx is the datecode) followed by an 8 digit reference code, e.g. RCD 1001 80999186 www.recom-international.com = RCD-24-0.35/SMD/OF, manufactured in Week 1 of 2010. REV:1/2011 RCD-24-0.30/SMD/OF = 80999199 RCD-24-0.35/SMD/OF = 80999186 RCD-24-0.50/SMD/OF = 80999200 RCD-24-0.60/SMD/OF = 80999201 RCD-24-0.70/SMD/OF = 80999202 Other custom or semi-custom parts may have different reference codes. 5 RCD-24 Series LIGHTLINE DC/DC-Converter Package Style and Pinning 3rd angle projection Wired Versions Wire Connections 17.5 5 4 1 Bottom View /W Version 7.6 6 RCD-24/W Series Wire # Function 1 (Red) +Vin Comments DC Supply 4 (Black) GND Do not connect to -Vout 5 (Brown) -Vout LED Cathode Connection 6 (Yellow) +Vout LED Anode Connection Wire length = 100mm + 10mm stripped & tinned = 110mm total Wire outside diameter = 1.6mm Wire core diameter = 0.75mm Wire is UL/CSA listed/ 22AWG / 300V Rated 17.5 5 4 Bottom View 2 /W/X1 Version 6 1 7.6 Wire Connections 17.5 RCD-24 5 4 3 Bottom View /W/X2 Version 6 1 7.6 RCD-24/W/X Series Wire # Function 2 (Green) Ana Dimming /X1 3 (Blue) PWM Dimming /X2 2 + 3 (Green + Blue) Ana + PWM Dimming /X3 2 + 3 (Green + Yellow) Ana Dimming + Vref Comments /Vref Wire length = 100mm + 10mm stripped & tinned = 110mm total Wire outside diameter = 1.6mm 17.5 5 4 Bottom View 3 /W/X3 Version 2 /W/Vref Version 6 1 Wire core diameter = 0.75mm Wire is UL/CSA listed/ 22AWG / 300V Rated 7.6 Wired Versions are packed in bags - 5pcs per bag. Warning: Do not connect or disconnect the LED load while the converter is powered on. This may damage or reduce the lifetime of the LED. 6 REV: 1/2011 www.recom-electronic.com