Wide 4:1 input voltage range Features 1.6kVDC isolation DC/DC Converter UL certified Regulated Efficiency up to 89% Six-sided continuous shield Converter RP20-FW Description 20 Watt The RP20-FW series wide range input DC/DC converters are certified to UL 60950-1 and to cUL 60950-1. 2 x 1 This makes them ideal for all telecom and industrial applications where approved safety standards are required. The industry standard 2 x 1 package meets military standards for thermal shock and Single and Dual vibration tolerance. Output Selection Guide (1) (1) Part Number Input Output Output Input Efficiency Max. Capacitive (2) Voltage Range Voltage Current Current typ. Load VDC VDC mA mA % F (3,4) RP20-243.3SFW 9-36 3.3 5500 890 85 18000 (3,4) RP20-2405SFW 9-36 5 4000 947 88 9600 (3,4) RP20-2412SFW 9-36 12 1670 971 86 1650 (3,4) RP20-2415SFW 9-36 15 1330 967 86 1050 (3,4) RP20-483.3SFW 18-75 3.3 5500 445 85 18000 (3,4) RP20-4805SFW 18-75 5 4000 473 88 9600 (3,4) RP20-4812SFW 18-75 12 1670 480 87 1650 (3,4) RP20-4815SFW 18-75 15 1330 478 87 1050 (3,4) RP20-2405DFW 9-36 5 2000 947 88 4800 (3,4) RP20-2412DFW 9-36 12 833 957 87 825 E196683 (3,4) RP20-2415DFW 9-36 15 667 958 87 525 (3,4) RP20-4805DFW 18-75 5 2000 468 89 4800 (3,4) RP20-4812DFW 18-75 12 833 473 88 825 (3,4) RP20-4815DFW 18-75 15 667 474 88 525 UL60950-1 certified Notes: Note1: Maximum values at nominal input voltage and full load Note2: Max. Cap load is tested at minimum input and constant resistive load Model Numbering RP20- FW/ - (4) nom. Input Voltage Package (3) CTRL Logic Output Voltage Single or Dual Notes: Note3: no suffix for CTRL function with positive logic (1=ON, 0=OFF) add suffix N for CTRL function with negative logic (0=ON, 1=OFF) Note4: add suffix -HC for premounted Heat-sink with clips Ordering Examples RP20-2405SFW = 24V input, 5V output, single, positive Logic CTRL pin RP20-4812DFW/N-HC = 48V input, 12V output, dual, negative Logic CTRL pin, Heat-sink premounted www.recom-power.com REV.: 3/2019 PD-1RP20-FW DC/DC Converter Series Specifications (measured Ta= 25C, nom. Vin, full load unless otherwise stated) BASIC CHARACTERISTICS Parameter Condition Min. Typ. Max. Input Filter Pi-Type nom. Vin = 24VDC 9VDC 24VDC 36VDC Input Voltage Range nom. Vin = 48VDC 18VDC 48VDC 75VDC nom. Vin = 24VDC 50VDC Input Surge Voltage 100ms max. nom. Vin = 48VDC 100VDC DC-DC ON 9VDC nom. Vin = 24VDC DC-DC OFF 7.5VDC Under Voltage Lockout (UVLO) DC-DC ON 18VDC nom. Vin = 48VDC DC-DC OFF 15VDC Output Voltage Trimming refer to OUTPUT VOLTAGE TRIMMING -10% +10% Input Reflected Ripple Current 20mAp-p (5) Minimum Load 0% Power up 20ms Start-up Time ON/OFF CTRL 20ms V DC-DC ON Open or 3.0VDC < < 12VDC CTRL Positive Logic V DC-DC OFF Short or 0VDC < < 1.2VDC CTRL (6) ON/OFF CTRL V DC-DC ON Short or 0VDC < < 1.2VDC CTRL Negative Logic V DC-DC OFF Open or 3.0VDC < < 12VDC CTRL DC-DC ON -0.5mA +0.5mA Input Current of CTRL pin DC-DC OFF 2mA Standby Current Internal Operating Frequency 360kHz 400kHz 440kHz 3.3Vout 60mVp-p measured at 20MHz BW 5Vout, 12Vout, 15Vout 75mVp-p Ripple and Noise with a 0.1F/50V MLCC 5Vout, 12Vout, 15Vout 100mVp-p Notes: Note5: The RP20-FW series requires a minimum of 10% loading on the output to maintain specified regulation. Operation under no-load condition will not damage these devices, however they may not meet all listed specification Note6: The ON/OFF control function can be positive or negative logic. The pin voltage is referenced to -Vin pin RP20-2405SFW Efficiency vs. Input Voltage full load Efficiency vs. Output Current 95 95 90 90 85 80 85 75 80 70 65 75 60 70 55 9Vin 50 24Vin 65 45 36Vin 40 60 10 20 30 40 50 60 70 80 90 100 18 20 22 24 26 28 30 32 34 36 Output Current % Input Voltage VDC continued on next page www.recom-power.com REV.: 3/2019 PD-2 Efficiency % Efficiency %