30 Watts xppower.com RDC Series 72 & 110 VDC Input for Railway Applications Single, Dual and Triple Outputs 1500 VAC Basic Isolation High Efficiency - Up to 91% Remote On/Off Complies with EN50155 EN50121-3-2 EMC for Railway Applications 3 Year Warranty Specification Input General Input Voltage Range 72 V (36-140 VDC), 110 V (55-176 VDC) Efficiency See table Input Current See table Isolation Voltage 1500 VAC Input to Output 1600 VDC Input to Case Input Reflected Ripple 20 mA pk-pk through 12 H inductor 1600 VDC Output to Case Input Filter Pi network Isolation Capacitance 2000 pF Undervoltage Lockout 72 V models: ON 33.5 V, OFF 30.5 V typ. Switching Frequency 270 kHz typical 110 V models: ON 52.5 V, OFF 48.5 V typ. 3 Power Density 37.5 W/in Input Surge 72 V models 150 VDC for 100 ms 110 V models 185 VDC for 100 ms MTBF 435 kHrs for single/dual output, 320 kHrs for triple output, min to Output MIL-HDBK-217F at 25 C, GB Output Voltage See table Pin Material Solder coated copper Output Voltage Trim 10% on single outputs models only Solder Profile Wave solder 260C 1.5mm from case 10s maximum. With iron, 450C 5s maximum Minimum Load No minimum load required for single and dual output models, 10% required on all Potting Material Epoxy UL94V-0 rated, designed to meet outputs for triple output models EN45545-2 Line Regulation 0.2% max for single and dual output Case Material Nickel coated copper models, 1.0% main, 5% auxiliary for Base Material Rated Non-conductive black plastic UL94V-0 triple output models rated Load Regulation Single output models: 0.5% max. Dual Environmental output models: 1% max balanced outputs. Triple output models: 1% max Operating Temperature -40 C to +75 C (80 C with optional main, 5% auxiliaries heatsink) see derating curve Cross Regulation 5% for dual and triple outputs (see note 2) Case Temperature +105 C max Setpoint Accuracy 1% (5% for triple auxiliaries) Cooling Convection-cooled Start Up Time 30 ms typical Operating Humidity 5-95% RH, non-condensing Ripple & Noise 100 mV or 1% pk-pk for single output Operating Altitude 3048m models, 150 mV or 1% pk-pk for dual Storage Temperature -40 C to +125 C output model, whichever is greater, 50/75 mV pk-pk main/auxiliary outputs of EMC & Safety triple output models, 20 MHz bandwidth (see note 3) General Complies with EN50121-3-2, Railway Transient Response 4% max deviation, recovery to within Applications - Electromagnetic 1% in <500 s for a 25% load change Compatibility for Rolling Stock Apparatus Temp. Coefficient 0.02%/C Complies with EN50155 Overvoltage Protection 3.3 V models: 3.9 V typical, 5 V models: 6.2 Emissions EN55011, 79 dBV (0.15-0.5 MHz) V typical, 12 V models: 15 V typical 73 dBV (0.5-30 MHz) 15 V models: 18 V typical, 5 V models: ESD Immunity EN61000-4-2, level 3, Perf Criteria A 6.2 V typical, 12 V models: 15 V typical Radiated Immunity EN61000-4-3 20 V/m Perf Criteria A* 15 V models: 18 V typical EFT/Burst EN61000-4-4 level 3, Perf Criteria A* Overload Protection >150% of full load Surge EN61000-4-5 level 2, Perf Criteria A Short Circuit Protection Trip & restart (hiccup mode), auto recovery Conducted Immunity EN61000-4-6 10 V/rms, Perf Criteria A Overtemperature 115 C typical Protection Magnetic Field EN61000-4-8 10 A/m, Perf Criteria A Remote On/Off On = Logic High (>3.0) or Open Safety Approvals CE LVD tested to EN62368-1, CE (Meets Off = Logic Low (<1.2 V) or short pin 2 to 3 all applicable directives), UKCA (Meets all applicable legislation) Maximum Capacitive See table Load *External input capacitor required 220 F/250 V DC-DCDC-DC RDC30 Models and Ratings (1) Input Current Maximum (4) Input Voltage Output Voltage Output Current Efficiency Model Number No Load Full Load Capacitive Load 3.3 V 7.50 A 25 mA 386 mA 20000 F 89% RDC3072S3V3 5.0 V 6.00 A 25 mA 458 mA 14000 F 91% RDC3072S05 12.0 V 2.50 A 20 mA 470 mA 2000 F 88% RDC3072S12 15.0 V 2.00 A 20 mA 466 mA 2000 F 89% RDC3072S15 5.0 V 3.00 A 40 mA 468 mA 3000 F 89% RDC3072D05 36-140 VDC 12.0 V 1.25 A 25 mA 471 mA 1300 F 88% RDC3072D12 15.0 V 1.00 A 20 mA 471 mA 1300 F 88% RDC3072D15 +3.3 V, 12.0 V 5.00 A, 0.42 A 25 mA 414 mA 15000, 220 F 89% RDC3072T0312 +3.3 V, 15.0 V 5.00 A, 0.33 A 25 mA 414 mA 15000, 220 F 88% RDC3072T0315 +5.0 V, 12.0 V 4.00 A, 0.42 A 25 mA 464 mA 8000, 220 F 90% RDC3072T0512 +5.0 V, 15.0 V 4.00 A, 0.33 A 25 mA 464 mA 8000, 220 F 90% RDC3072T0515 3.3 V 7.50 A 20 mA 254 mA 20000 F 88% RDC30110S3V3 5.0 V 6.00 A 25 mA 303 mA 14000 F 90% RDC30110S05 12.0 V 2.50 A 20 mA 310 mA 2000 F 88% RDC30110S12 15.0 V 2.00 A 20 mA 308 mA 2000 F 88% RDC30110S15 5.0 V 3.00 A 35 mA 308 mA 3000 F 88% RDC30110D05 55-176 VDC 12.0 V 1.25 A 25 mA 310 mA 1300 F 88% RDC30110D12 15.0 V 1.00 A 20 mA 311 mA 1300 F 87% RDC30110D15 +3.3 V, 12.0 V 5.00 A, 0.42 A 20 mA 274 mA 15000, 220 F 88% RDC30110T0312 +3.3 V, 15.0 V 5.00 A, 0.33 A 20 mA 274 mA 15000, 220 F 87% RDC30110T0315 +5.0 V, 12.0 V 4.00 A, 0.42 A 25 mA 307 mA 8000, 220 F 89% RDC30110T0512 +5.0 V, 15.0 V 4.00 A, 0.33 A 25 mA 307 mA 8000, 220 F 88% RDC30110T0515 Notes 1. Input current specified at nominal 72 V or 110 V input. 3. Measured with 1 F ceramic capacitor in parallel with 10 F electrolytic 2. Cross regulation for duals is 5% when one output is at 100% and the other is capacitor across output rails. varied between 25% and 100%. Cross regulation for triples is 5% when main 4. Add suffix -HK for optional heatsink. output and one auxiliary is at 25% and the other is varied between 25% and 100%. Mechanical Details 0.10 0.10 0.20 0.30 0.40 0.40 0.40 Optional (2.54) (2.54) (5.08) (7.62) (10.16) (10.16) (10.16) Heatsink 0.10 (2.54) PIN CONNECTIONS 0.10 Pin Single Dual Triple (2.54) 6 7 4 5 6 4 5 1 +Vin +Vin +Vin 0.10 2 -Vin -Vin -Vin (2.54) 0.10 0.02 0.10 3 Remote On/Off Remote On/Off Remote On/Off (2.54) (0.50) (2.54) 4 +Vout +Vout +Vout 2 DIA DIA 5 -Vout Com -Vout 3 0.04 0.04 Bottom View Bottom View 1.73 2.00 6 Trim -Vout Com (1.00) (1.00) (43.9) (50.8) DIA Single & Dual Triple Output 7 +Vout 1 0.04 Output Models Models (1.00) Notes 0.17 1. All dimensions are in inches (mm). (4.36) 2. Weight: 0.07 lbs (30 g) approx 1 2 3 1 2 3 0.20 0.20 3. Pin diameter: 0.04 0.002 (1.0 0.05) (5.00) (5.00) 4. Pin pitch tolerance: 0.014 (0.35) 5. Case tolerance: 0.02 (0.5) 0.20 0.20 0.24 0.64 0.30 0.30 0.30 0.30 (5.08) (5.08) (6.00) (16.3) (7.62) (7.62) (7.62) (7.62) Application Notes Derating Curve External Output Trim with optional heatsink On single output versions only. 58C 100 6 6 80 Output can be externally trimmed using this method. R trim-up R trim-down 60 Contact sales for details. 40 5 4 20 0 -40 -20 0 10 20 30 40 50 60 70 80 90 100 Typical Resistor Ambient Temperature (C) S3V3 S05 S12 S15 Trim Down 10% 15.3 k 15.3 k 5.3 k 5.8 k Trim Up 10% 10.3 k 15.3 k 22.1 k 20.0 k 28 Oct 2021 Load (%)