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Q48SC12050 Datasheet(PDF) 2 Page - Delta Electronics, Inc. |
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Q48SC12050 Datasheet(HTML) 2 Page - Delta Electronics, Inc. |
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2 / 26 page  DS_Q48SC12050_04072017 E-mail: dcdc@deltaww.com http://www.deltaww.com/dcdc P2 TECHNICAL SPECIFICATIONS (TA=25°C, airflow rate=400 LFM, Vin=48Vdc, nominal Vout unless otherwise noted.) PARAMETER NOTES and CONDITIONS Q48SC12050 Min. Typ. Max. Units ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous 0 75 Vdc Transient (100ms) 100ms 100 Vdc On/off Pin Voltage -50 50 V Other Pin Voltage Trim/Current Sharing, C2, Data, SMBAlert, Clock, Addr1, Addr0 -0.3 3.6 V Output negative voltage 0.3 V Operating ambient Temperature -40 85 °C Storage Temperature -55 125 °C Input/Output Isolation Voltage 1500 Vdc INPUT CHARACTERISTICS Operating Input Voltage 36 48 75 Vdc Input Under-Voltage Lockout Turn-On Voltage Threshold (Adjustable via PMBus, VIN_ON) 34 36 Vdc Turn-Off Voltage Threshold (Adjustable via PMBus, VIN_OFF) 31 34 Vdc Lockout Hysteresis Voltage 2 Vdc Maximum Input Current Vin=36V, 100% Load 19 A No-Load Input Current Vin=48V 80 110 140 mA Off Converter Input Current Vin=48V 10 18 26 mA Input Capacitance 100 uF Inrush Current (I 2t) 1 A2S Input Reflected-Ripple Current P-P thru 12µH inductor, 5Hz to 20MHz 60 mA Input Voltage Ripple Rejection 120Hz 50 dB OUTPUT CHARACTERISTICS The module without droop current sharing option code Output Voltage Set Point (Adjustable via PMBus) Vin=48V, Io=0A , Ta=25°C 11.88 12 12.12 Vdc Output Voltage Regulation Over Line Vin=36V to 75V, Io=100% load ±40 mV Over Load Vin=36V to 75V, Io=Io,min to Io,max ±40 mV Over tempearture Vin=36V to 75V, Io=100% load, Ta= -40C to 85C ±120 mV The module with droop current sharing option code Output Voltage Set Point (Adjustable via PMBus) Vin=48V, Io=0A , Ta=25°C 12.28 12.4 12.52 Vdc Output Voltage Regulation Over Line Vin=36V to 75V, Io=100% load ±40 mV Over Load Vin=36V to 75V, Io=Io,min to Io,max -850 -680 mV Over tempearture Vin=36V to 75V, Io=100% load, Ta= -40C to 85C ±80 mV Both with and without droop current sharing option code Output Voltage Trim and PMBUS Range Vin=36V to 75V, Pout ≦ max rated power,Io ≦ Io.max -33.3 +10 % Output Voltage Remote Sense Range (note 2) Vin=36V to 75V, Pout ≦ max rated power,Io ≦ Io.max -5.8 +10 % Output Over-Voltage Lockout (Adjustable via PMBus, VOUT_OV_FAULT_LIMIT) 15.2 Vdc Operating Output Current Range Full input voltage range 0 50 A Output DC Current-Limit Inception 115 135 % Output Capacitance 300 15000 µF Output Voltage Ripple and Noise Vin=48V, Full load, 20MHz bandwidth Peak-to-Peak Co= 300uF/16V (polymer ) + 10u/16V (Tantalum Capacitor) +1u/16V (Ceramic ) 75 110 mV RMS Co= 300uF/16V (polymer ) + 10u/16V (Tantalum Capacitor) +1u/16V (Ceramic ) 22 32 mV DYNAMIC CHARACTERISTICS Output Voltage Current Transient Vin=48V, Load Slew rate 0.1A/µs with a 1uF ceramic , a 10uF tantalum, and a 300uF polymer capacitor Positive Step Change in Output Current 50% Io.max to 75% Io.max 350 500 mV Negative Step Change in Output Current 75% Io.max to 50% Io.max -500 -350 mV Settling Time (within 1% Vout nominal) 500 µs Turn-On Transient (Adjustable via PMBus) Start-Up Time, From On/Off Control From On/off to 90%Vo final value 55 ms Start-Up Time, From Input From Input to 90%Vo final value 75 ms Output voltage Rise Time From 10%Vo final value to 90%Vo final value 30 ms EFFICIENCY 100% Load Vin=48V 94.2 % 60% Load Vin=48V 95.6 % ISOLATION CHARACTERISTICS Input to Output 1500 Vdc Isolation Resistance 10 MΩ Isolation Capacitance 6800 pF |
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