DC-DC Converter XPPower RCQ50 Series 50 Watts Regulated Single Output 72 & 110 VDC for Rail Applications xxx Series Baseplate-cooled 3000 VAC Isolation, Reinforced Insulation Operating Temperature -40 C to +105 C Remote On/Off & Remote Sense Complies with EN50155 and IEC60571 Meets EMC Standard EN50121-3-2 Optional Heatsink 3 Year Warranty Dimensions: The RCQ50 family provide a robust and compact modular power solution for the transportation RCQ50: 2.28 x 1.45 x 0.50 (57.9 x 36.8 x 12.7 mm) industry. Features include compliance to EN45545-2, high efficiency, over temperature and short circuit protection. Models & Ratings (1,2) Input current Overvoltage Maximum (3) Input voltage Output voltage Output current Efficiency Model number Protection capacitive load No load Full load 5 V 10.00 A 50 mA 770 mA 6.2 V 17000 F 90% RCQ5072S05 12 V 4.17 A 45 mA 755 mA 15.0 V 2950 F 92% RCQ5072S12 43-101V 15 V 3.33 A 45 mA 755 mA 18.0 V 1900 F 92% RCQ5072S15 24 V 2.08 A 50 mA 760 mA 30.0 V 740 F 91% RCQ5072S24 5 V 10.00 A 40 mA 505 mA 6.2 V 17000 F 90% RCQ50110S05 12 V 4.17 A 35 mA 500 mA 15.0 V 2950 F 91% RCQ50110S12 66-160V 15 V 3.33 A 35 mA 495 mA 18.0 V 1900 F 92% RCQ50110S15 24 V 2.08 A 40 mA 500 mA 30.0 V 740 F 91% RCQ50110S24 Notes 1. Input currents measured at nominal input voltage. 2. Input current is typically 2.5 mA at nominal input voltage when output is turned off using remote on/off. 3. Add suffix -HK for optional heatsink. Mechanical Details 2.28 (57.9) Mounting Inserts M3x0.5 Through 4pl. 2.00 (50.8) Pin Connections Pin Function 3 4 5 1 +Vin 2 6 2 Remote On/Off 7 3 -Vin 1 8 4 -Vout BOTTOM VIEW 5 -Sense* 1.86 (47.2) 6 Trim 7 +Sense* 0.16 8 +Vout (4.1) min 0.04 (1.00) DIA 6PLACES 0.06 (1.50) DIA 2PLACES * If remote sense not used the +sense should be connected to +output and sense should be connected to output. Maximum output deviation is 10% inclusive of trim. www.xppower.com 1 1.45 (36.8) 1.03 (26.2) 0.50 (12.5) 0.60 (15.24) 0.30 (7.62) 0.60 (15.24)DC-DC Converter XPPower RCQ50 Series Input Characteristic Minimum Typical Maximum Units Notes & Conditions 43 101 VDC 72 V nominal Input Voltage Range 66 160 VDC 110 V nominal Input Filter Internal Pi type 165 72 V models Input Surge VDC for 100 ms 250 110 V models ON: Logic high (3.5-12 V) or open circuit Remote On/Off OFF: Logic low (<1.2 V) or short pin 2 to pin 3 ON >43 V, OFF at <40 V 72 V models Undervoltage Lockout ON >66 V, OFF at <63 V 110 V models Output Characteristic Minimum Typical Maximum Units Notes & Conditions Output Voltage 5 24 VDC See Models and Ratings table Initial Set Accuracy 1.0 % At full load Output Trim 10 % See Application Notes Minimum Load A No minimum load required Line Regulation 0.2 % From minimum to maximum input at full load Load Regulation 0.3 % From 0 to full load 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. 24 output / other models. 20 MHz bandwidth. Ripple & Noise 150/100 mV pk-pk Measured using 1 F MLCC & 10F tantalum capacitor. Overload Protection 150 % Short Circuit Protection Continuous Trip & Restart (Hiccup mode), with auto recovery Maximum Capacitive Load See Models and Ratings table Temperature Coefficient 0.02 %/ C Remote Sense Compensates up to 10% of Vout nominal plus output trim. If remote sense is not used, connect +S to +Vo and -S to -Vo. General Characteristic Minimum Typical Maximum Units Notes & Conditions Efficiency 91 % See Models and Ratings table Isolation: Input to Output 3000 VAC 60 s Reinforced Isolation: Output to Case 1500 VDC Functional 9 Isolation Resistance 10 At 500 VDC Isolation Capacitance 3000 pF Switching Frequency 320 kHz Fire and Smoke EN45545-2 Case Material Aluminium baseplate and non-conductive black plastic case UL94V-0 rated. Heatsink option aluminium with black anodised coating. Pin Material Gold-plated copper. Solder Profile 260C maximum temperature 1.5mm from case for 10s. With iron 450C, 5s maximum. Potting Material Epoxy UL94V-0 rated. Use de-ionised water only. Dry thoroughly . Washing 3 Power Density 30.2 W/in Mean Time Between Failure 310 kHrs MIL-HDBK-217F, +25 C GB Weight 0.13 (61.0) lb (g) www.xppower.com 2