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E48SR12005NRFA Datasheet(PDF) 2 Page - Delta Electronics, Inc. |
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E48SR12005NRFA Datasheet(HTML) 2 Page - Delta Electronics, Inc. |
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2 / 15 page  TECHNICAL SPECIFICATIONS (TA=25°C, airflow rate=300 LFM, Vin=48Vdc, nominal Vout unless otherwise noted) PARAMETER NOTES and CONDITIONS E48SR12005 (Standard) Min. Typ. Max. Units ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous 80 Vdc Transient (100ms) 100ms 100 Vdc Operating Temperature Refer to the Fig. for the measuring point -40 109 °C Storage Temperature -55 125 °C Input/Output Isolation Voltage 1500 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 80 mA Off Converter Input Current 4 mA Inrush Current(I 2t) 1 A 2s Input Reflected-Ripple Current P-P thru 12µH inductor, 5Hz to 20MHz 25 mA Input Voltage Ripple Rejection 120 Hz dB OUTPUT CHARACTERISTICS Output Voltage Set Point Vin=48V, Io=Io.max, Tc=25°C 11.808 12.000 12.192 Vdc Output Voltage Regulation Over Load Io=Io,min to Io,max ±3 ±10 mV Over Line Vin=36V to 75V ±3 ±10 mV Over Temperature Tc=-40°C to 85°C ±60 mV Total Output Voltage Range over sample load, line and temperature 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 35 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 50% Io.max to 75% Io.max 180 mV Negative Step Change in Output Current 75% Io.max to 50% Io.max 180 mV Settling Time (within 1% Vout nominal) 200 us Turn-On Transient Start-Up Time, From On/Off Control 6 ms Start-Up Time, From Input 6 ms Maximum Output Capacitance Full load; 5% overshoot of Vout at startup 2000 µF EFFICIENCY 100% Load 91.0 % 60% Load 90.5 % ISOLATION CHARACTERISTICS Input to Output 1500 Vdc Isolation Resistance 10 MΩ Isolation Capacitance 1500 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 V Logic High (Module Off) Von/off at Ion/off=0.0 µA 2 18 V ON/OFF Control, Positive Remote On/Off logic Logic Low (Module Off) Von/off at Ion/off=1.0mA 0.7 V Logic High (Module On) Von/off at Ion/off=0.0 µA 2 18 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=15V 100 uA Output Voltage Trim Range Across Pins 9 & 5, Pout ≦ max rated power -10% 10% % Output Voltage Remote Sense Range Pout ≦ max rated power 10 % Output Over-Voltage Protection Over full temp range; % of nominal Vout 14.4 V GENERAL SPECIFICATIONS MTBF Io=80% of Io, max; Tc=40°C 2.70 M hours Weight 19.6 grams Over-Temperature Shutdown Refer to Fig. 21 for the measuring point 115 °C DS_E48SR12005_03022006 2 |
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