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Q48SE12025PKFA Datasheet(PDF) 2 Page - Delta Electronics, Inc. |
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Q48SE12025PKFA Datasheet(HTML) 2 Page - Delta Electronics, Inc. |
2 / 14 page DS_Q48SE12025_06242013 2 TECHNICAL SPECIFICATIONS (TA=25°C, airflow rate=300 LFM, Vin=48Vdc, nominal Vout unless otherwise noted; PARAMETER NOTES and CONDITIONS Q48SE12025 (Standard) Min. Typ. Max. Units ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous 80 Vdc Transient 100ms 100 Vdc Operating Ambient Temperature -40 85 °C Storage Temperature -55 125 °C Input/Output Isolation Voltage 2250 Vdc INPUT CHARACTERISTICS Operating Input Voltage 38 48 75 Vdc Input Under-Voltage Lockout Turn-On Voltage Threshold 32.0 34.0 36.0 Vdc Turn-Off Voltage Threshold 30.0 32.0 34.0 Vdc Lockout Hysteresis Voltage 2 Vdc Maximum Input Current 100% Load, 38Vin 11 A No-Load Input Current Vin=48V, Io=0A 160 mA Off Converter Input Current Vin=48V, Io=0A 10 mA Inrush Current (I 2t) 1 A 2s Input Reflected-Ripple Current P-P thru 12µH inductor, 5Hz to 20MHz 10 mA Input Voltage Ripple Rejection 120 Hz -30 dB OUTPUT CHARACTERISTICS Output Voltage Set Point Vin=48V, Io=0, Tc=25°C 11.67 11.8 11.92 Vdc Output Voltage Regulation Over Load Vin=48V, Io=Io,min to Io,max ±30 ±80 mV Over Line Vin=38V to 75V, Io=Io min ±50 mV Over Temperature Vin=48V, Tc=-40°C to 85°C ±100 mV Total Output Voltage Range over sample load, line and temperature 11.44 12.16 Vdc Output Voltage Ripple and Noise 5Hz to 20MHz bandwidth Peak-to-Peak Full Load, 1µF ceramic, 10µF tantalum 120 mV RMS Full Load, 1µF ceramic, 10µF tantalum 50 mV Operating Output Current Range 0 25 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 300 mV Negative Step Change in Output Current 75% Io.max to 50% Io.max 300 mV Settling Time (within 1% Vout nominal) 300 µs Turn-On Transient Start-Up Time, From On/Off Control 70 ms Start-Up Time, From Input 80 ms Maximum Output Capacitance Low ESR CAP (OSCON), 100% load; 6000 µF EFFICIENCY 100% Load Vin=48V 95.2 % 60% Load Vin=48V 94.7 % ISOLATION CHARACTERISTICS Input to Output 2250 Vdc Isolation Resistance 10 MΩ Isolation Capacitance 1000 pF FEATURE CHARACTERISTICS Switching Frequency 160 kHz ON/OFF Control, Negative Remote On/Off logic Logic Low (Module On) Von/off at Ion/off=1.0mA 0 0.8 V Logic High (Module Off) Von/off at Ion/off=0.0 µA 2 50 V ON/OFF Control, Positive Remote On/Off logic Logic Low (Module Off) Von/off at Ion/off=1.0mA 0 0.8 V Logic High (Module On) Von/off at Ion/off=0.0 µA 2 50 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 50 uA Output Over-Voltage Protection Over full temp range; % of nominal Vout 115 140 % GENERAL SPECIFICATIONS MTBF(with heat spreader) Io=100% of Io, max; Tc=40°C;Airflow=600LFM 2.6 M hours Weight(without heat spreader) 50.5 grams Weight(with heat spreader) 65.5 grams Over-Temperature Shutdown ( Without heat spreader) Refer to Figure 18 for Hot spot 1 location (48Vin,80% Io, 200LFM,Airflow from Vin+ to Vin-) 128 °C Over-Temperature Shutdown (With heat spreader) Refer to Figure 20 for Hot spot 2 location (48Vin,80% Io, 200LFM,Airflow from Vin+ to Vin-) 122 °C Over-Temperature Shutdown ( NTC resistor ) Refer to Figure 18 for NTC resistor location 127 Note: Please attach thermocouple on NTC resistor to te st OTP function, the hot spots’ temperature is just for reference. |
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