2:1 input voltage range Features 1.6kVDC isolation DC/DC Converter UL certified Efficiency up to 89% Regulated Six-sided continuous shield Converter No minimum load required RP20-F Description 20 Watt The RP20-F series DC/DC converters are certified to UL 60950-1 and to cUL 60950-1. This makes 2 x 1 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 vibration tolerance. Single and Dual 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) RP20-123.3SF 9-18 3.3 5000 1618 85 13000 (3,4) RP20-1205SF 9-18 5 4000 1916 87 6800 (3,4) RP20-1212SF 9-18 12 1670 1942 86 2200 (3,4) RP20-1215SF 9-18 15 1330 1933 86 755 (3,4) RP20-243.3SF 18-36 3.3 5000 799 86 13000 (3,4) RP20-2405SF 18-36 5 4000 936 89 6800 (3,4) RP20-2412SF 18-36 12 1670 960 87 2200 (3,4) RP20-2415SF 18-36 15 1330 955 87 755 (3,4) RP20-483.3SF 36-75 3.3 5000 395 87 13000 (3,4) RP20-4805SF 36-75 5 4000 468 89 6800 (3,4) RP20-4812SF 36-75 12 1670 474 88 2200 E196683 (3,4) RP20-4815SF 36-75 15 1330 477 87 755 (3,4) RP20-1212DF 9-18 12 833 1937 86 680 (3,4) RP20-1215DF 9-18 15 667 1938 86 450 (3,4) RP20-2412DF 18-36 12 833 957 87 680 (3,4) RP20-2415DF 18-36 15 667 947 88 450 UL60950-1 certified (3,4) RP20-4812DF 36-75 12 833 473 88 680 (3,4) RP20-4815DF 36-75 15 667 473 88 450 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- F/ - (4) nom. Input Voltage Package (3) Output Voltage CTRL Logic 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 RP20-2405SF = 24V input, 5V output, single, positive Logic CTRL pin RP20-4812DF/N-HC = 48V input, 12V output, dual, negative Logic CTRL pin, Heat-sink premounted www.recom-power.com REV.: 2/2019 PD-1RP20-F DC/DC Converter Series Specifications (measured Ta= 25C, nom. Vin, full load unless otherwise stated) BASIC CHARACTERISTICS Parameter Condition Min. Typ. Max. (5) Input Filter LC-Type nom. Vin = 12VDC 9VDC 12VDC 18VDC Input Voltage Range nom. Vin = 24VDC 18VDC 24VDC 36VDC nom. Vin = 48VDC 36VDC 48VDC 75VDC nom. Vin = 12VDC 36VDC Input Surge Voltage 100ms max. nom. Vin = 24VDC 50VDC nom. Vin = 48VDC 100VDC Output Voltage Trimming refer to OUTPUT VOLTAGE TRIMMING -10% +10% (6) Input Reflected Ripple Current 20mAp-p Single 0% (7) Minimum Load Dual 10% Power up 10ms Start-up Time ON/OFF CTRL 10ms V DC-DC ON Open or 3.0VDC < < 12VDC CTRL Positive Logic V DC-DC OFF Short or 0VDC < < 1.2VDC CTRL (8) 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 2.5mA Standby Current Internal Operating Frequency 450kHz 500kHz 550kHz 3.3Vout 60mVp-p measured at 20MHz BW 5Vout, 12Vout, 15Vout 75mVp-p Ripple and Noise with a 0.1F/50V MLCC 12Vout, 15Vout 100mVp-p Notes: Note5: An external filter capacitor is required for normal operation. The capacitor should be capable of handling 1A ripple current for 48V/24V models. RECOM suggest: Nippon chemi-con KY series, 220F/100V, ESR 90m Note6: Simulated source impedance of 12H. 12H inductor in series with +Vin Note7: The RP15-F series requires a minimum of 10% loading on the output to maintain specified regulation. Operation under no-load condition will not dama ge these devices, however they may not meet all listed specification Note8: The ON/OFF control function can be positive or negative logic. The pin voltage is referenced to -Vin pin RP20-1205SF Efficiency vs. Input Voltage full load Efficiency vs. Output Current 95 92 90 90 85 80 88 75 70 86 65 60 84 55 9Vin 50 82 12Vin 45 18Vin 80 40 10 20 30 40 50 60 70 80 90 100 9 10 11 12 13 14 15 16 17 18 Output Current % Input Voltage VDC continued on next page www.recom-power.com REV.: 2/2019 PD-2 Efficiency % Efficiency %