RCDE-48 RECOM | Alldatasheet

Document overview

  • Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
  • PDF pages: 7

Technical content

Features

  • Low cost buck LED driver
  • 6-60V input
  • Constant current output (350, 700 or 1050mA)
  • Digital PWM and analog voltage dimming
  • High efficiency up to 97%
  • No internal E-Caps
  • RoHS2 conform Selection Guide Part Input Output Output Efficiency Dimming Number Voltage Range Voltage Range Current typ. (1) Control [VDC] [VDC] [mA] [%] RCDE-48-0.35 6-60 3-52 0-350 97 Analog and PWM RCDE-48-0.70 6-60 3-52 0-700 97 Analog and PWM RCDE-48-1.05 6-60 3-52 0-1050 97 Analog and PWM Model Numbering Output Currentnom. Input Voltage RCDE-48- RECOM CONVERTERS COM PLIANT PRODUCTS RoHSRoHS22 ++ compliantcompliant 10 from 1010 from 10 RECOM CONVERTERS COM PLIANT PRODUCTS REACHREACH compliantcompliant All LED Drivers may not be used without a load. They must be switched on the primary side only. Noncompliance may damage the LED or reduce its lifetime. Ordering Examples RCDE-48-0.70 6-60 Vin 3-52Vout 0-700mA Analog and PWM Dimming Notes: Note1: Efficiency is tested at nominal input and 15 LEDs (15 x VF 3VDC = 45VDC) at +25°C ambient

www.recom-power.com REV.: 0/2020 L-2 DC/DC Converter Specifications (measured @ Ta= 25°C, nom. Vin and 15 LEDs (15*3V=45V) unless otherwise stated) RCDE-48 Series BASIC CHARACTERISTICS Parameter Condition Min. Typ. Max. Internal Input Filter capacitor Input Voltage Range nom Vin= 48VDC 6VDC 48VDC 60VDC Under Voltage Lockout (UVLO) nom. Vin= 48VDC DC-DC ON DC-DC OFF 5.6VDC 5.3VDC Standby Current nom. Vin= 48VDC DC-DC OFF 5mA Internal Operating Frequency 210kHz 550kHz Output Ripple Current 20MHz BW RCDE-48-0.35 RCDE-48-0.70 RCDE-48-1.05 100mAp-p 200mAp-p 320mAp-p Output Ripple Noise 20MHz BW RCDE-48-0.35 RCDE-48-0.70 RCDE-48-1.05 200mVp-p 300mVp-p 400mVp-p Reflected Back Ripple Current 50mAp-p Dropout Voltage refer to “DROPOUT VOLTAGE” for detailed information RCDE-48-0.35 RCDE-48-0.70 RCDE-48-1.05 1VDC 1.5VDC 2VDC 3VDC continued on next page Efficiency vs. Load RCDE-48-0.35 RCDE-48-0.70 Efficiency vs. Load Dropout Voltage vs. Load Dropout Voltage vs. Load Output Load [Number of Diodes] 3.0 2.0 1.0 2.5 1.5 0.5 Dropout Voltage [VDC] 2 3 4 5 7 8 10 12 156 9 11 13 14 Output Load [Number of Diodes] 3.0 2.0 1.0 2.5 1.5 0.5 Dropout Voltage [VDC] 2 3 4 5 7 8 10 12 156 9 11 13 14 0 1 2 3 4 5 7 8 10 12 156 9 11 13 14 Output Load [Number of Diodes] 100 Efficiency [%] 0 1 2 3 4 5 7 8 10 12 156 9 11 13 14 Output Load [Number of Diodes] 100 Efficiency [%]

www.recom-power.com REV.: 0/2020 L-3 DC/DC Converter Specifications (measured @ Ta= 25°C, nom. Vin and 15 LEDs (15*3V=45V) unless otherwise stated) RCDE-48 Series DROPOUT VOLTAGE REGULATIONS Parameter Condition Value Output Current Accuracy ±7.0% max. Output Current Stability ±2.0% typ. Deviation vs. Load RCDE-48-0.35 3.5 -3.5 5.25 1.75 -1.75 -5.25 Deviation [%] 0 1 2 3 4 5 6 8 107 9 1211 1513 14 Output Load [Number of Diodes] Efficiency vs. Load Dropout Voltage vs. Load Output Load [Number of Diodes] 3.0 2.0 1.0 2.5 1.5 0.5 Dropout Voltage [VDC] 2 3 4 5 7 8 10 12 156 9 11 13 14 0 1 2 3 4 5 7 8 10 12 156 9 11 13 14 Output Load [Number of Diodes] 100 Efficiency [%] RCDE-48-1.05 Dropout voltage is the smallest difference between a regulators input and its output voltage, which is required to maintain regulation and enable the regulator to provide rated output voltage or current.LED++Vin LED--Vin Vin Vout Vdropout RCDE-48-xx Vout max. = Vin - Vdropout Vin min. = nLED x VF max. + Vdropout Vin min. = 11 x 3 + 3 Vin min. = 36VDC Example:Vin = input voltage Vout = output voltage Vdropout = dropout voltage nLED = number of LEDs VF max. = forward voltage Vdropout = 3VDC max. nLED = 11 LEDs VF max. = 3VDC

www.recom-power.com REV.: 0/2020 L-4 DC/DC Converter Specifications (measured @ Ta= 25°C, nom. Vin and 15 LEDs (15*3V=45V) unless otherwise stated) RCDE-48 Series ANALOG DIMMING CONTROL (leave open if not used - do not tie to +Vin) Parameter Condition Value Input Voltage Limits low line, DC-DC OFF high line, DC-DC ON 0VDC to 0.3VDC 3VDC to 12VDC Control Voltage Range 20% to 100% 0.3VDC to 2.5VDC Pin Drive Current Analog Vc= 5VDC 1mA max. Deviation vs. Load RCDE-48-0.70 RCDE-48-1.05 3.5 -3.5 5.25 1.75 -1.75 -5.25 Deviation [%] 0 1 2 3 4 5 6 8 107 9 1211 1513 14 Output Load [Number of Diodes] Output Current [%] Analogue Dimming Control [VDC] 100 3.5 -3.5 5.25 1.75 -1.75 -5.25 Deviation [%] 0 1 2 3 4 5 6 8 107 9 1211 1513 14 Output Load [Number of Diodes] Analog Dimming Analog Dimming Application 1-10VDC LED++Vin Dim/CTRL LED--Vin DLEDn DLED1 +Vin VDim RCDE-48-xx GNDGND VDim R1 R2 1 - 10VDC 20kΩ 10kΩ

www.recom-power.com REV.: 0/2020 L-5 DC/DC Converter Specifications (measured @ Ta= 25°C, nom. Vin and 15 LEDs (15*3V=45V) unless otherwise stated) RCDE-48 Series PWM DIMMING AND ON/OFF CTRL (leave open if not used - do not tie to +Vin) Parameter Condition Value Input Voltage Limits low line, DC-DC OFF high line, DC-DC ON 0VDC to 0.3VDC 3VDC to 12VDC Dimming Voltage Range 0% to 100% 0% - 100%, duty cycle Pin Drive Current ON/OFF CTRL Vc= 5VDC 1mA max. PWM Frequency for linear operation frequency limit 200Hz - 1kHz 10kHz max. PWM Dimming Output Current [%] PWM Dimming [%] 100 10 20 30 40 50 60 70 80 90 100 200Hz 1kHz 10kHz Output Current [%] PWM Dimming [%] 1 2 3 4 5 200Hz 1kHz 10kHz PROTECTIONS Parameter Type Value Over Temperature Protection (OTP) case temperature 115°C typ., ±10°C ENVIRONMENTAL Parameter Condition Value Operating Temperature Range @ natural convection 0.1m/s refer to “Derating Graph” Maximum Case Temperature 105°C Temperature Coefficient 0.06%/K typ. Thermal Impedance 32K/W Operating Altitude 5000m Operating Humidity non-condensing 95% RH MTBF according to MIL-HDBK- 217F, G.B. +25°C +40°C 1830 x 10³ hours 1730 x 10³ hours continued on next page

www.recom-power.com REV.: 0/2020 L-6 DC/DC Converter Specifications (measured @ Ta= 25°C, nom. Vin and 15 LEDs (15*3V=45V) unless otherwise stated) RCDE-48 Series SAFETY AND CERTIFICATIONS Certificate Type (Safety) Report Number Standard RoHS2+ RoHS 2011/65/EU + AM2015/863 EMC Compliance Condition Standard / Criterion Limits and Methods of Measurement of Radio Disturbance Characteristics of Electrical Lighting and Similar Equipment with external filter EN55015 -40 -20 0 20 40 7060-30 -10 10 30 50 80 90 100 1050 400 600 500 800 700 900 300 200 100 Output Current [mA] Ambient Temperature [°C] Derating Graph (@ Chamber and natural convection 0.1m/s) RCDE-48-1.05 -40 -20 0 20 40 7060-30 -10 10 30 50 80 90 100 400 200 250 300 350 150 100 Output Current [mA] Ambient Temperature [°C] -40 -20 0 20 40 7060-30 -10 10 30 50 80 90 100 800 400 500 600 700 300 200 100 Output Current [mA] Ambient Temperature [°C] RCDE-48-0.35 RCDE-48-0.70

www.recom-power.com REV.: 0/2020 L-7 DC/DC Converter Specifications (measured @ Ta= 25°C, nom. Vin and 15 LEDs (15*3V=45V) unless otherwise stated) RCDE-48 Series DIMENSION AND PHYSICAL CHARACTERISTICS Parameter Type Value Material case, baseplate potting PCB non-conductive black plastic, (UL94 V-0) silicone, (UL94 V-0) FR4, (UL94 V-0) Dimension (LxWxH) 32.1 x 20.6 x 12.3mm Weight 16.0g typ. 20.6 8.0 10.5 12.3 0.75 3.86 32.1 31.5 20.0 2.54 Bottom View 1114 1412 1213 132 224 15.24 2.21 0.60+0.10/-0.05 12.00 1.95 Top View 2.54 tc Dimension Drawing (mm) Recommended Footprint Details Pin Connections # Function Description 1, 2 -Vin -DC supply 11, 12 LED- LED cathode connection 13, 14 LED+ LED anode connection

22 Dim/CTRL leave open if not used

23, 24 +Vin +DC supply tc= case temperature measuring point Tolerance: xx.x= ±0.5mm xx.xx= ±0.25mm PACKAGING INFORMATION Parameter Type Value Packaging Dimension (LxWxH) tube 512.9 x 22.2 x 20.9mm Packaging Quantity 14pcs Storage Temperature Range -55°C to +125°C Storage Humidity non-condensing 95% RH max. INSTALLATION AND APPLICATION The product information and specifications may be subject to changes even without prior written notice.The product has been designed for various applications; its suitability lies in the responsibility of each customer. The products are not authorized for use in safety-critical applications without RECOM’s explicit written consent. A safety-critical application is an application where a failure may reasonably be expected to endanger or cause loss of life, inflict bodily harm or damage property. The applicant shall indemnify and hold harmless RECOM, its affiliated companies and its representatives against any damage claims in connection with the unauthorized use of RECOM products in such safety-critical applications. Connection LED++Vin Dim/CTRL LED--Vin DLEDn DLED1 -Vin +Vin SW1 SW2 VDim RCDE-48-xx Notes: Note2: Do not connect LED+ with +Vin and LED- with -Vin