QSB20048S24

DC-DC 75-350 Watts xppower.com QSB Series • Wide Input Range • Industry Standard Packages • -40 °C to +100 °C Operating Temperature • High Power Density • Base Plate Cooled • Remote On/Off & Remote Sense • 3 Year Warranty Specification Input Input Voltage Range Input Current Input Reverse Voltage Protection Input Filter Undervoltage Lockout Input Surge General • See tables • See tables • None Efficiency Isolation Voltage • Pi network • QSB75-150: 24 Vin: - turn on 8.8 V, turn off 8.0 V for 9-36 V, QSB200: 24 Vin -turn on 9.6 V, turn off 8.8 V, QSB75-200: 48 Vin - turn on 17.0 V, turn off 16.0 V, QSB350: 24 Vin - turn on 17.0 V, turn off 16.0 V, QSB350: 48 Vin - turn on 35.0 V, turn off 33.0 V • 24 Vin: 50 VDC for 100 ms 48 Vin: 100 VDC for 100 ms Isolation Resistance Isolation Capacitance Output • ±10%, see application notes • ±1.5% max • ±0.2% max measured from high line to low line Load Regulation • ±0.2% max measured from 0-100% load Transient Response • 5% max deviation, recovery to within 1% in 500 µs, 25% step load change Ripple & Noise • 3.3 & 5 V models: 100 mV pk-pk 12 & 15 V models: 150 mV pk-pk 24 V & 28 V models: 280 mV max pk-pk 20 MHz bandwidth (see note 1) Overvoltage Protection • 115-140% Short Circuit Protection • Continuous Thermal Shutdown • Case temperature >105 °C Temperature • ±0.03%/°C Coefficient Current Limit • 110-140% nominal output for 75 & 150 W 110-160% nominal output for 100 W 110-150% nominal output for 200 W 105-140% nominal output for 350 W Remote On/Off • See notes 2 & 3 Remote Sense • Compensates up to 10% of Vout nominal, total of output trim and remote sense Output Voltage Trim Initial Set Accuracy Line Regulation Switching Frequency Power Density MTBF • See tables • 1500 VDC Input to Output 1500 VDC Input to Case 1500 VDC Output to Case • 107 Ω • QSB75-200: 100 pF typical, QSB350: 1000 pF typical • QSB75: 300 kHz typical QSB100, 150 & 200: 250 kHz typical QSB350 (3V3 & 5 V): 300 kHz typical QSB350 (12, 24 & 28 V): 330 kHz typical • QSB75: 45.4 W/in3, QSB100: 60.5 W/in3, QSB150: 57.2 W/in3, QSB200: 70.3 W/in3, QSB350: 123.0 W/in3 • QSB75 & 100: 730 kHrs QSB150 & 200: 1 MHrs QSB350: 658 kHrs typical to MIL-HDBK-217F at 25 °C, GB Environmental Operating Base Plate Temperature Storage Temperature Operating Humidity Cooling • -40 °C to +100 °C, see derating curves • -55 °C to +105 °C • Up to 90% non-condensing • Base plate cooled, see derating curves EMC & Safety Emissions ESD Immunity Radiated Immunity EFT/Burst Surge Conducted Immunity Safety Approvals • EN55022, level A conducted with external components, see test reports for further details • EN61000-4-2, level 2, Perf Criteria B • EN61000-4-3, 3 V/m, Perf Criteria A • EN61000-4-4, level 1, Perf Criteria A • EN61000-4-5, level 1, Perf Criteria A • EN61000-4-6, 3 V rms Perf Criteria A • UL60950-1 Input Voltage Output Voltage Output Current 3.3 V 5.0 V 9-36 VDC (24 V nominal) 18-75 VDC (48 V nominal) 9-36 VDC (24 V nominal) 18-75 VDC (48 V nominal) Input Current(4) Efficiency Model Number(3) 2.04 A 81.0% QSB7524S3V3 2.98 A 84.0% QSB7524S05 50 mA 3.64 A 86.0% QSB7524S12 5.00 A 50 mA 3.64 A 86.0% QSB7524S15 24.0 V 3.12 A 50 mA 3.63 A 86.0% QSB7524S24 3.3 V 12.00 A 30 mA 1.10 A 82.0% QSB7548S3V3 5.0 V 12.00 A 30 mA 1.47 A 85.0% QSB7548S05 12.0 V 6.25 A 30 mA 1.82 A 86.0% QSB7548S12 15.0 V 5.00 A 30 mA 1.80 A 87.0% QSB7548S15 24.0 V 3.12 A 30 mA 1.80 A 87.0% QSB7548S24 3.3 V 30.00 A 120 mA 4.80 A 86.0% QSB10024S3V3 5.0 V 20.00 A 120 mA 4.82 A 86.5% QSB10024S05 12.0 V 8.30 A 80 mA 4.80 A 86.5% QSB10024S12 15.0 V 6.70 A 80 mA 4.84 A 86.5% QSB10024S15 24.0 V 4.17 A 80 mA 4.79 A 87.0% QSB10024S24 3.3 V 30.00 A 60 mA 2.37 A 88.0% QSB10048S3V3 5.0 V 20.00 A 60 mA 2.37 A 88.0% QSB10048S05 12.0 V 8.30 A 30 mA 2.36 A 88.0% QSB10048S12 15.0 V 6.70 A 30 mA 2.38 A 88.0% QSB10048S15 24.0 V 4.17 A 30 mA 2.37 A 88.0% QSB10048S24 No Load Full Load 12.00 A 50 mA 12.00 A 50 mA 12.0 V 6.25 A 15.0 V Notes 1. Ripple & noise is measured with a 10 µF tantalum capacitor and 1.0 µF ceramic capacitor across output. 2. Logic compatibility: Ref to -ve input. Module On = open circuit. Module Off =