DC-DC Converter XPPower RDE20 Series 20 Watts Regulated Single & Dual Output xxx Series 24-48 VDC & 72-110 VDC nominal inputs for Railway Applications 3000 VDC Isolation High Efficiency EN50155 Certified for Railway Applications EN50121-3-2 with External Components Remote On/Off Output Voltage Trim 10% Operating Temperature -40 C to +100 C Dimensions: Full Power to +55 C RDE20: 3 Year Warranty 1.0 x 1.0 x 0.41 (25.4 x 25.4 x 10.4 mm) The RDE20 series provides a comprehensive wide DC input voltage range covering all requirements of the railway standard EN50155. The product features a robust design tested to railway standards and includes a remote on /off function, output voltage trimming, protection against short circuit, undervoltage lockout, overload and overvoltage. Models & Ratings (1) Input current Maximum Input voltage Output voltage Output current Efficiency Model number No load Full load capacitive load 3.3 V 4500 mA 711.20 mA 7000 F 87% RDE2024S3V3 5.0 V 4000 mA 946.96 mA 5000 F 88% RDE2024S05 12.0 V 1670 mA 936.33 mA 850 F 89% RDE2024S12 13-70 VDC 15.0 V 1330 mA 10 mA 925.92 mA 700 F 90% RDE2024S15 5.0 V 2000 mA 968.99 mA 1000 F 86% RDE2024D05 12.0 V 833 mA 925.92 mA 680 F 90% RDE2024D12 15.0 V 666 mA 925.92 mA 470 F 90% RDE2024D15 3.3 V 4500 mA 156.97 mA 7000 F 86% RDE20110S3V3 5.0 V 4000 mA 206.61 mA 5000 F 88% RDE20110S05 12.0 V 1670 mA 211.41 mA 850 F 86% RDE20110S12 42-176 VDC 15.0 V 1330 mA 10 mA 211.41 mA 700 F 86% RDE20110S15 5.0 V 2000 mA 216.45 mA 1000 F 84% RDE20110D05 12.0 V 833 mA 208.98 mA 680 F 87% RDE20110D12 15.0 V 666 mA 208.98 mA 470 F 87% RDE20110D15 Notes 1. Input current measured at nominal input voltage. 2. For heatsink add suffix -HK, e.g. RDE2024S15-HK Mechanical Details Optional 0.4 0.4 0.41 Pin Connections Heatsink (-HK) (10.16) (10.16) (10.4) 1.0 1.0 Pin Single Output Dual Output 0.02 (25.4) (25.4) 0.66 (0.5) 1 +Vin +Vin (16.8) 2 -Vin -Vin 3 Control Control 4 +Vout +Vout 1.0 0.6 0.8 (25.4) Bottom View Top View 0.04 5 Trim Com (15.24) (20.32) (1.0) 6 -Vout -Vout Notes 1. All dimensions are in inches (mm) 0.24 1.0 (25.4) 1.0 0.2 1.0 0.3 (6.0) (5.08) (25.4) (25.4) (7.62) www.xppower.com 1DC-DC Converter XPPower RDE20 Series Input Characteristic Minimum Typical Maximum Units Notes & Conditions 13 70 24 V, 37.5 V, 48 V nominal inputs Input Voltage Range VDC 42 176 72 V, 96 V & 110 V nominal inputs Input Filter Internal Pi type 100 RDE2024 series Input Voltage Surge VDC for 100 ms 185 RDE20110 series OFF at <11.6 V, ON at 12.3 V RDE2024 series Undervoltage Lockout OFF at <38.4 V, ON at 40.5 V RDE20110 series ON at 3.0 VDC to 12.0 VDC or open circuit Positive logic reference to -Vin (pin 2) Remote On/Off (Positive Logic) OFF at 0 VDC to 1.2 VDC or short pin 2 to pin 3 Standby Current 3 mA When module inhibited Output Characteristic Minimum Typical Maximum Units Notes & Conditions Output Voltage 3.3 30 VDC See Models and Ratings table Output Trim 10 % Single output models only Initial Set Accuracy 1.0 % At full load Minimum Load A No minimum load required Line Regulation 0.5 % From minimum to maximum input at full load Load Regulation 0.5/1.0 % From 0 to full load. Single Output/Dual Output On dual output models when one load is varied between Cross Regulation 5.0 % 25% and 100% and other is fixed at 100% Recovery within 1% in less than 250 s for a 25% load Transient Response 3 5 % deviation change. Ripple & Noise 75 mV pk-pk 20 MHz bandwidth. Measured using external 10 F MLCC Overvoltage Protection 120 % Overload Protection 170 % Short Circuit Protection Continuous trip & restart (hiccup mode), with auto recovery Maximum Capacitive Load See Models and Ratings table Temperature Coefficient 0.02 %/ C General Characteristic Minimum Typical Maximum Units Notes & Conditions Efficiency 84 90 % See Models and Ratings table Isolation: Input to Output 3000 VDC 60 s functional isolation 9 Isolation Resistance 10 At 3 kVDC Isolation Capacitance 2000 pF Switching Frequency 330 / 245 kHz RDE2024 / 110 series 3 Power Density 48.8 W/in Mean Time Between Failure 190 khrs MIL-HDBK-217F, +25 C GB Case Material Copper Case, Non conductive black plastic base, UL94V-0 rated Potting Material Epoxy UL94V-0 Fire Protection Designed to meet EN45545-2 PCB Pin Material 1.0 mm brass, solder coated Lead Free Reflow Solder Process IPC JEDEC J-STD 020D.1. 260 C max. 1.5 mm from case. 10 s max. 0.041 (19.0) Standard Weight lb (g) 0.048 (22.0) With heatsink www.xppower.com 2