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E48SC12005NRFA Datasheet(PDF) 2 Page - Delta Electronics, Inc. |
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E48SC12005NRFA Datasheet(HTML) 2 Page - Delta Electronics, Inc. |
2 / 16 page DS_E48SC12005_07072011 2 TECHNICAL SPECIFICATIONS (TA=25°C, airflow rate=300 LFM, Vin=48Vdc, nominal Vout unless otherwise noted.) PARAMETER NOTES and CONDITIONS E48SC12005 (Standard) Min. Typ. Max. Units ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous 80 Vdc Transient 100ms 100 Vdc Operating Hot Spot Temperature Refer to Figure 19 for measuring point -40 117 °C Storage Temperature -55 125 °C Input/Output Isolation Voltage 2250 Vdc INPUT CHARACTERISTICS Operating Input Voltage 36 75 Vdc Input Under-Voltage Lockout Turn-On Voltage Threshold 33 34 35 Vdc Turn-Off Voltage Threshold 31 32 33 Vdc Lockout Hysteresis Voltage 1 2 3 Vdc Maximum Input Current 100% Load, 36Vin 2.2 A No-Load Input Current 70 mA Off Converter Input Current 5 mA Inrush Current(I 2t) 1 A 2s Input Reflected-Ripple Current P-P thru 12µH inductor, 5Hz to 20MHz 20 mA Input Voltage Ripple Rejection 120 Hz 60 dB OUTPUT CHARACTERISTICS Output Voltage Set Point Vin=48V, Io=Io.max, Tc=25°C 11.88 12.00 12.12 Vdc Output Voltage Regulation Over Load Io=Io,min to Io,max ±3 ±15 mV Over Line Vin= 36V to 75V ±3 ±15 mV Over Temperature Tc= -40°C to 85°C ±100 mV Total Output Voltage Range Over sample load, line and temperature 11.64 12.36 V Output Voltage Ripple and Noise 5Hz to 20MHz bandwidth Peak-to-Peak Full Load, 1µF ceramic, 10µF tantalum 40 120 mV RMS Full Load, 1µF ceramic, 10µF tantalum 15 25 mV Operating Output Current Range 0 5 A Output DC Current-Limit Inception Output Voltage 10% Low 110 140 % DYNAMIC CHARACTERISTICS Output Voltage Current Transient 48V, 10µF Tan & 1µF Ceramic load cap, 0.1A/µs Positive Step Change in Output Current 25% Io.max to 50% Io.max 200 mV Negative Step Change in Output Current 50% Io.max to 25% Io.max 200 mV Settling Time (within 1% Vout nominal) 200 µs Turn-On Transient Start-Up Time, From On/Off Control 30 ms Start-Up Time, From Input 40 ms Maximum Output Capacitance Full load; 5% overshoot of Vout at startup 2000 µF EFFICIENCY 100% Load 48Vin 92.0 % 60% Load 48Vin 90.5 % ISOLATION CHARACTERISTICS Input to Output 2250 Vdc Isolation Resistance 10 MΩ Isolation Capacitance 3000 pF FEATURE CHARACTERISTICS Switching Frequency 350 kHz ON/OFF Control, Negative Remote On/Off logic Logic Low (Module On) Von/off at Ion/off=1.0mA -0.7 0.8 V Logic High (Module Off) Von/off at Ion/off=0.0 µA 3.5 12 V ON/OFF Control, Positive Remote On/Off logic Logic Low (Module Off) Von/off at Ion/off=1.0mA -0.7 0.8 V Logic High (Module On) Von/off at Ion/off=0.0 µA 3.5 12 V ON/OFF Current (for both remote on/off logic) Ion/off at Von/off=0.0V 1 mA Leakage Current (for both remote on/off logic) Logic High, Von/off=12V 50 µA Output Voltage Trim Range Pout ≦ max rated power -20% 10% % Output Voltage Remote Sense Range Pout ≦ max rated power 10 % Output Over-Voltage Protection Over full temperature range 13.8 15.3 18 V GENERAL SPECIFICATIONS MTBF 48V,Io=Io, max; 300LFM @25C 4.5 M hours Weight 21 grams Over-Temperature Shutdown Refer to Figure 19 for measuring point 131 °C |
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