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Q48SB9R650PRFA Datasheet(PDF) 2 Page - Delta Electronics, Inc. |
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Q48SB9R650PRFA Datasheet(HTML) 2 Page - Delta Electronics, Inc. |
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2 / 12 page  TECHNICAL SPECIFICATIONS (TA=25°C, airflow rate=300 LFM, Vin=48Vdc, nominal Vout unless otherwise noted.) PARAMETER NOTES and CONDITIONS Q48SB9R650NRFA Min. Typ. Max. Units ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous 57 Vdc Operating Temperature Refer to Fig.17 for the measuring point -40 124 °C Storage Temperature -55 125 °C Input/Output Isolation Voltage 1500 Vdc INPUT CHARACTERISTICS Operating Input Voltage 36 48 57 Vdc Input Under-Voltage Lockout Turn-On Voltage Threshold 32.5 34 35.5 Vdc Turn-Off Voltage Threshold 30.5 32 33.5 Vdc Lockout Hysteresis Voltage 2 Vdc Input Over-Voltage Lockout Turn-Off Voltage Threshold 59 60.5 62 Vdc Turn-On Voltage Threshold 57 58.5 60 Vdc Lockout Hysteresis Voltage 2 Vdc Maximum Input Current 100% Load, 38V Vin 13.5 A No-Load Input Current 80 200 mA Off Converter Input Current 12 15 mA Inrush Current(I 2t) With 100uF external input capacitor 1 A 2s Input Reflected-Ripple Current P-P thru 12µH inductor, 5Hz to 20MHz 20 40 mA Internal input filter component value L/C 0.47/4.4 uH/uF Recommend external input capacitor for system stability Capacitance 47 100 uF ESR 100KHz -40oC to 100oC 0.1 0.2 ohm OUTPUT CHARACTERISTICS Output Voltage Set Point Vin=48V, Io=no load, Ta=25°C 9.6 Vdc Output Voltage Regulation Over Load Io=Io,min to Io,max 400 600 mV Over Line Vin=38V to 55V 3.8 V Over Temperature Tc=-40°C to 100°C 400 mV Total Output Voltage Range over sample load, line and temperature 6.8 11.5 V Output Voltage Ripple and Noise 5Hz to 20MHz bandwidth Peak-to-Peak Full Load, 1µF ceramic, 10µF tantalum 80 120 mV RMS Full Load, 1µF ceramic, 10µF tantalum 25 50 mV Operating Output Power Range 38V<Vin≤42V 0 480 W 42V<Vin≤55V 0 500 W Output DC Powert-Limit Inception output voltage 10% lower 38V≤Vin≤55V 120% 130% W Current share accuracy (2 units in parallel) % of rated output current 10 % DYNAMIC CHARACTERISTICS Output Voltage Current Transient 48V, 10µF Tan & 1µF Ceramic load cap, 1A/µs Positive Step Change in Output Current 50% Io.max to 75% Io.max 300 mV Negative Step Change in Output Current 75% Io.max to 50% Io.max 300 mV Settling Time (within 1% Vout nominal) 200 us Turn-On Transient Start-Up Time, From On/Off Control 35 ms Start-Up Time, From Input 35 ms Maximum Output Capacitance Single module operation Start up with 20A Load 10000 µF Single module operation Start up with 55A Load 5000 µF 2 pcs Parallel module operation Start up with 20A Load 10000 µF 2 pcs Parallel module operation Start up with 110A Load 8000 µF EFFICIENCY 55A 95.4 96.4 % 50A 95.8 96.8 % 33A 95.8 96.8 % ISOLATION CHARACTERISTICS Input to Output 1500 Vdc Isolation Resistance 10 MΩ Isolation Capacitance 1000 pF FEATURE CHARACTERISTICS Switching Frequency 130 kHz ON/OFF Control for single module operation Negative Remote On/Off logic Logic Low (Module On) -0.7 0.8 V Logic High (Module Off) 2 18 V Positive Remote On/Off logic Logic Low (Module Off) -0.7 0.8 V Logic High (Module On) 2 18 V ON/OFF Current (for both remote on/off logic) Ion/off at Von/off=0.0V 0.25 0.3 mA Leakage Current (for both remote on/off logic) Logic High, Von/off=15V 50 uA GENERAL SPECIFICATIONS MTBF Io=80% of Io, max; Ta=25°C; 300LFM airflow TBD M hours Weight (open frame) 54 grams Over-Temperature Shutdown Refer to Fig.17 for the measuring point 129 °C DS_Q48SB9R650_07102006 2 |
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