RDC20 XPPOWER | Alldatasheet

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Technical content

20 Watts

  • 72 & 110 VDC Input for Railway Applications
  • Single and Dual Outputs
  • 1500 VAC Basic Isolation
  • High Power Density
  • High Efficiency - Up to 88%
  • Remote On/Off
  • 3 Year Warranty RDC Series Input Input Voltage Range • 72 V (36-140 VDC), 110 V (55-176 VDC) Input Current • See table Input Reflected Ripple• 20 mA pk-pk through 12 µH inductor Input Filter • Pi network Undervoltage Lockout • 72 V models: ON 33.5 V, OFF 30.5 V typ. 110 V models: ON 52.5 V, OFF 48.5 V typ. Input Surge • 72 V models 150 VDC for 100 ms

110 V models 185 VDC for 100 ms

Output Voltage • See table Output Voltage Trim • ±10% on single outputs models only Minimum Load • No minimum load required Line Regulation • ±0.2% max Load Regulation • Single output models: ±0.5% max, Dual output models: ±1% max balanced outputs Cross Regulation • ±5% (see note 2) Setpoint Accuracy • ±1% Start Up Time • 30 ms typical Ripple & Noise • 100 mV or 1% pk-pk for single output models, 150 mV or 1% pk-pk for dual output model, whichever is greater,

20 MHz bandwidth (see note 3)

Transient Response • 4% max deviation, recovery to within 1% in <500 µs for a 25% load change Temp. Coefficient • 0.02%/°C Overvoltage Protection• 3.3 V models: 3.9 V typical, 5 V models:

6.2 V typical, 12 V models: 15 V typical

15 V models: 18 V typical, ±5 V models:

±6.2 V typical, ±12 V models: ±15 V typical ±15 V models: ±18 V typical Overload Protection • >150% of full load Short Circuit Protection• Trip & restart (hiccup mode), auto recovery Overtemperature • 115 °C typical Protection Remote On/Off • On = Logic High (>3.0) or Open Off = Logic Low (<1.2 V) or short pin 2 to 3 Maximum Capacitive • See table Load xppower.com General Efficiency • See table Isolation Voltage • 1500 VAC Input to Output

1600 VDC Input to Case

1600 VDC Output to Case

Isolation Capacitance• 2000 pF Switching Frequency • 270 kHz typical Power Density • 25 W/in3 MTBF • 400 kHrs min to MIL-HDBK-217F at 25 °C, GB Environmental Operating Temperature• -40 °C to +85 °C (see derating curve) Case Temperature • +105 °C max Cooling • Convection-cooled Operating Humidity • 5-95% RH, non-condensing Storage Temperature • -40 °C to +125 °C EMC General • Complies with EN50121-3-2, Railway Applications - Electromagnetic Compatibility for Rolling Stock Apparatus Emissions • EN55011, 79 dBµV (0.15-0.5 MHz) 73 dBµV (0.5-30 MHz) ESD Immunity • EN61000-4-2, level 3, Perf Criteria A Radiated Immunity • EN61000-4-3 20 V/m Perf Criteria A* EFT/Burst • EN61000-4-4 level 3, Perf Criteria A* Surge • EN61000-4-5 level 2, Perf Criteria A Conducted Immunity • EN61000-4-6 10 V/rms, Perf Criteria A Magnetic Field • EN61000-4-8 10 A/m, Perf Criteria A *External input capacitor required 220 µF/250 V

  1. Input current specified at nominal 72 V or 110 V input. 2. Cross regulation for duals is ±5% when one output is at 100% and the other is varied between 25% and 100%. 3. Measured with 1 µF ceramic capacitor in parallel with 10 µF electrolytic capacitor across output rails. 4. Add suffix ‘-HK’ for optional heatsink. 64 5 Bottom View Single & Dual Output Models 0.10 (2.54) 0.10 (2.54) DIA 0.04 (1.00) DIA 0.04 (1.00) 0.10 (2.54) 0.32 (8.00) 0.30 (7.62) 0.30 (7.62) 0.20 (5.08) 0.17 (4.36) 1.73 (43.9) 2.00 (50.8) 0.02 (0.50) 0.24 (6.00) 0.64 (16.3) 0.10 (2.54) 0.40 (10.16) 0.40 (10.16) 0.40 (10.16) Optional Heatsink Mechanical Details Application Notes Load (%) Ambient Temperature (°C) -40 100 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 without heat-sink with heat-sink Derating Curve PIN CONNECTIONS Pin Single Dual 1 +Vin +Vin 2 -Vin -Vin

3 Remote On/Off Remote On/Off

6 Trim -Vout

Trim Down 10% 15.3 kΩ 5.31 kΩ 5.3 kΩ 5.8 kΩ Trim Up 10% 10.3 kΩ 10.6 kΩ 22.1 kΩ 20.0 kΩ 1. All dimensions are in inches (mm). 2. Weight: 0.07 lbs (30 g) approx 4. Pin pitch tolerance: ±0.014 (±0.35) 5. Case tolerance: ±0.02 (±0.5) Notes External Output Trim R trim-up R trim-down Output can be externally trimmed using this method. Contact sales for details. On single output versions only. Models and Ratings Input Voltage Output Voltage Output Current Input Current(1) Maximum Capacitive Load Efficiency Model Number (4) No Load Full Load 36-140 VDC 3.3 V 6.00 A 20 mA 312 mA 10000 µF 88.0% RDC2072S3V3 5.0 V 4.00 A 25 mA 313 mA 6800 µF 88.5% RDC2072S05 12.0 V 1.65 A 15 mA 318 mA 1000 µF 86.5% RDC2072S12 15.0 V 1.33 A 20 mA 318 mA 700 µF 87.0% RDC2072S15 ±5.0 V ±2.00 A 35 mA 319 mA ±1000 µF 87.0% RDC2072D05 ±12.0 V ±0.83 A 20 mA 323 mA ±470 µF 85.5% RDC2072D12 ±15.0 V ±0.67 A 20 mA 324 mA ±330 µF 86.0% RDC2072D15 55-176 VDC 3.3 V 6.00 A 15 mA 208 mA 10000 µF 86.5% RDC20110S3V3 5.0 V 4.00 A 20 mA 209 mA 6800 µF 87.0% RDC20110S05 12.0 V 1.65 A 15 mA 212 mA 1000 µF 85.0% RDC20110S12 15.0 V 1.33 A 15 mA 211 mA 700 µF 86.0% RDC20110S15 ±5.0 V ±2.00 A 30 mA 211 mA ±1000 µF 86.0% RDC20110D05 ±12.0 V ±0.83 A 15 mA 215 mA ±470 µF 84.0% RDC20110D12 ±15.0 V ±0.67 A 15 mA 215 mA ±330 µF 85.0% RDC20110D15