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V48SC3R320 Datasheet(PDF) 2 Page - Delta Electronics, Inc. |
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V48SC3R320 Datasheet(HTML) 2 Page - Delta Electronics, Inc. |
2 / 15 page DS_V48SC3R320_06262013 E-mail: DCDC@delta.com.tw http://www.deltaww.com/dcdc P2 TECHNICAL SPECIFICATIONS (TA=25°C, Natural convection, Vin=48Vdc, nominal Vout unless otherwise noted; PARAMETER NOTES and CONDITIONS V48SC3R320 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 1500 Vdc INPUT CHARACTERISTICS Operating Input Voltage 36 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 1 2 3 Vdc Maximum Input Current Full Load, 36Vin 2.2 A No-Load Input Current Vin=48V, Io=0A 50 mA Off Converter Input Current Vin=48V, Io=0A 5 mA Inrush Current (I2t) 1 A2s Input Reflected-Ripple Current P-P thru 12µH inductor, 5Hz to 20MHz 20 mA Input Voltage Ripple Rejection 120 Hz -50 dB OUTPUT CHARACTERISTICS Output Voltage Set Point Vin=48V, Io=0, Tc=25°C 3.25 3.30 3.35 Vdc Output Voltage Regulation Over Load Vin=48V, Io=Io min to Io max ±10 mV Over Line Vin=36V to 75V, Io=Io min ±10 mV Over Temperature Vin=48V, Tc= min to max case temperatrue ±33 mV Total Output Voltage Range over sample load, line and temperature 3.20 3.40 Vdc Output Voltage Ripple and Noise 5Hz to 20MHz bandwidth Peak-to-Peak Full Load, 1µF ceramic, 10µF tantalum 50 mV RMS Full Load, 1µF ceramic, 10µF tantalum 15 mV Operating Output Current Range 0 20 A Output DC Current-Limit Inception Output Voltage 10% Low 22 30 A 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% 100 mV Negative Step Change in Output Current 75% Io.max to 50% 100 mV Settling Time (within 1% Vout nominal) 100 µs Turn-On Transient Start-Up Time, From On/Off Control 20 ms Start-Up Time, From Input 20 ms Maximum Output Capacitance 10000 µF EFFICIENCY 100% Load Vin=48V 91.0 % 60% Load Vin=48V 91.5 % ISOLATION CHARACTERISTICS Input to Output 1500 Vdc Isolation Resistance 10 MΩ Isolation Capacitance 1000 pF FEATURE CHARACTERISTICS Switching Frequency 420 465 510 kHz ON/OFF Control, Negative Remote On/Off logic Logic Low (Module On) 0 0.8 V Logic High (Module Off) 3.5 10 V ON/OFF Current (for both remote on/off logic) Ion/off at Von/off=0.0V mA Leakage Current (for both remote on/off logic) Logic High, Von/off=10V uA Output Voltage Trim Range -20 10 % Output Voltage Remote Sense Range 10 % Output Over-Voltage Protection Over full temp range; % of nominal Vout 115 150 % GENERAL SPECIFICATIONS MTBF Io=80% of Io max; Tc=25°C;Airflow=300LFM, Issue 3 13.77 M hours Weight Without heat spreader 15.0 grams Weight With heat spreader 21.0 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+) 127 °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 125 °C Note: Please attach thermocouple on NTC resistor to test OTP function, the hot spots’ temperature is just for reference. |
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Similar Description - V48SC3R320 |
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