DC-DC Converter XPPower QSC150 Series 150 Watts Wide 4:1 input range xxx Series Complies with EN55015 and EN45545-2 Baseplate cooled Industry standard quarter brick Regulated single outputs Output trim 10% 2.2kVDC isolation Efficiency to 92% Short circuit, overvoltage and overtemperature protection Dimensions: QSC150: Remote on/off 2.28 x 1.45 x 0.5 (57.9 x 36.8 x 12.7 mm) -40 C to +105 C operation 3 year warranty The QSC150 series offers a compact 150W DC-DC converter solution in an industry standard quarter brick package. This series of modules enables effective construction of distributed power architectures. Utilizing the integral baseplate for conduction cooling gives the designer flexibility in system design. The QSC150 series features an industrial operating temperature range and includes protection for over current, over temperature and over voltage. Complies with railway standards EN50155 and EN45545-2. Models & Ratings (1) Input Current Input Output Ripple & Max. capacitive (3) Output Current Efficiency Model Number (2) Voltage Voltage noise load No Load Full Load 5 V 30.0 A 10 mA 18.1 A 100 mV 92.0% 30000 F QSC15024S05 12 V 12.5 A 10 mA 18.1 A 150 mV 92.0% 12500 F QSC15024S12 9-36 V 24 V 6.3 A 10 mA 18.3 A 280 mV 91.0% 6300 F QSC15024S24 28 V 5.4 A 10 mA 18.2 A 280 mV 91.5% 5400 F QSC15024S28 48 V 3.2 A 10 mA 18.1 A 480 mV 92.0% 1000 F QSC15024S48 5 V 30.0 A 8 mA 9.1 A 100 mV 92.0% 30000 F QSC15048S05 12 V 12.5 A 8 mA 9.2 A 150 mV 91.0% 12500 F QSC15048S12 18-75 V 24 V 6.3 A 8 mA 9.2 A 280 mV 90.5% 6300 F QSC15048S24 28 V 5.4 A 8 mA 9.2 A 280 mV 90.5% 5400 F QSC15048S28 48 V 3.2 A 8 mA 9.1 A 480 mV 91.5% 1000 F QSC15048S48 Notes 1. At lowest input voltage. 3. Measured at nominal input. 2. Measured at 20MHz bandwidth and 10uF tant/1uF ceramic capacitors on output (10uF electrolytic/1uF ceramic capacitors for 48V output). Mechanical Details Pin Connections 2.28 (57.9) Pin Function 1 +Vin 2.000(50.8) 2 Remote On/Off 3 -Vin Mounting Holes 0.126 (3.2) clearance 2 places 4 -Vout 5 -Sense 3 6 Trim 4 0.040(1.02) 0.059(1.50) 5 7 +Sense DIA 6PLACES DIA 2PLACES 2 6 8 +Vout BOTTOM VIEW 7 1 8 Notes 1. All dimensions are in inches (mm) 2. Weight: 0.15 lbs (68 g) approx. 3. Tolerance: x.xx = 0.02 (x.x = 0.5) 1.86(47.2) x.xxx = 0.01 (x.xx = 0.25) www.xppower.com 1 1.45 (36.8) 1.03(26.2) 0.600(15.24) 0.300(7.62) 0.600(15.24) 0.50 0.16min (12.7) (4.1)DC-DC Converter XPPower QSC150 Series Input Characteristic Minimum Typical Maximum Units Notes & Conditions 9 36 24 V nominal Input Voltage Range VDC 18 75 48 V nominal Input Current 20/10 A QSC15024 at 9 V / QSC15048 at 18V Input Surge 50/100 VDC for 100 ms QSC15024 / QSC15048 >8.0/16.5 8.5/17.0 8.8/17.5 On: 24 V/48 V Undervoltage Lockout VDC <7.7/15.5 8.0/16.0 8.3/16.5 Off: 24 V/48 V Lockout Hysteresis 0.6/0.9 VDC 24 V/48 V Idle Current 5 10 mA When output is remotely turned off 2 Inrush Current 0.1 A s As per ETS300 132-2 Recommended Input Fuse 30/15 A Time delay fuse - 24 V/48 V Input Reflected Ripple Current 30 mA pk-pk Through 12 H inductor Output Characteristic Minimum Typical Maximum Units Notes & Conditions Output Voltage 5 48 VDC See Models and Ratings table Output Trim 10 % Initial Set Accuracy 1 % At full load and nominal input Minimum Load 0 % No minimum load required Line Regulation 0.2 % From minimum to maximum input at full load Load Regulation 0.2 % From 0% to full load Maximum deviation, recovering to less than 1% in Transient Response 5.0 % 250 s for 25% step load change. Start Up Time 30 ms Output Voltage Rise Time 30 ms Ripple & Noise mV pk-pk See models and ratings table Overload Protection 110 125 160 % Short Circuit Protection Continuous hiccup mode, with auto recovery Maximum Capacitive Load See Models and Ratings table Temperature Coefficient 0.02 %/ C Overvoltage Protection 115 140 % Output is on if remote on/off (pin 2) is open or high (3.5-75 VDC) Remote On/Off Output turns off if remote on/off (pin 2) is low (<1.2 VDC max) General Characteristic Minimum Typical Maximum Units Notes & Conditions Efficiency 92 % See Models and Ratings table Isolation: Input to Output 2250 VDC 60 s Isolation: Input and output to Case 2250 VDC 60 s Switching Frequency 285/300 kHz 48S12 model / All other models 9 Isolation Resistance 10 Isolation Capacitance 1500 pF 3 Power Density 90.7 W/in Mean Time Between Failure 309/667 kHrs S05/S48, MIL-HDBK-217F, +25 C GB Weight 0.15 (68.0) lb (g) Environmental Characteristic Minimum Typical Maximum Units Notes & Conditions Operating Base Plate Temperature -40 +105 C Storage Temperature -55 +125 C Thermal Protection +110 C Operating Altitude 3000 m Humidity 95 %RH Non-condensing Cooling Base plate cooled www.xppower.com 2