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S48SP3R310MFB Datasheet(PDF) 2 Page - Delta Electronics, Inc. |
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S48SP3R310MFB Datasheet(HTML) 2 Page - Delta Electronics, Inc. |
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2 / 14 page  DS_S48SP3R310_10252013 2 TECHNICAL SPECIFICATIONS (TA=25°C, airflow rate=300 LFM, Vin=48Vdc, nominal Vout unless otherwise noted.) PARAMETER NOTES and CONDITIONS S48SP3R310 (Standard) Min. Typ. Max. Units ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous 80 Vdc Transient (100ms) 100ms 100 Vdc Operating Temperature Refer to Figure 20 for the measuring point -40 110 °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 32.5 34 35.5 Vdc Turn-Off Voltage Threshold 30.5 32 33.5 Vdc Lockout Hysteresis Voltage 1.0 2 3.0 Vdc Maximum Input Current 100% Load, 36Vin 1.10 A No-Load Input Current 40 mA Off Converter Input Current 10 mA Inrush Current (I 2t) 0.01 A 2s Input Reflected-Ripple Current P-P thru 12µH inductor, 5Hz to 20MHz 10 mA Input Voltage Ripple Rejection 120 Hz 60 dB OUTPUT CHARACTERISTICS Output Voltage Set Point Vin=48V, Io=Io.max, Tc=25°C 3.25 3.3 3.35 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 100°C ±33 mV Total Output Voltage Range Over load, line and temperature 3.2 3.4 V Output Voltage Ripple and Noise 5Hz to 20MHz bandwidth Peak-to-Peak Full Load, 1µF ceramic, 10µF tantalum 30 60 mV RMS Full Load, 1µF ceramic, 10µF tantalum 10 20 mV Operating Output Current Range 0 10 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 100 mV Negative Step Change in Output Current 75% Io.max to 50% Io.max 100 mV Settling Time (within 1% Vout nominal) 50 us Turn-On Transient Start-Up Time, From On/Off Control 15 ms Start-Up Time, From Input 15 ms Maximum Output Capacitance Full load; 5% overshoot of Vout at startup 5000 µF EFFICIENCY 100% Load 90.0 % 60% Load 89.0 % ISOLATION CHARACTERISTICS Input to Output 2250 Vdc Isolation Resistance 10 MΩ Isolation Capacitance 1000 pF FEATURE CHARACTERISTICS Switching Frequency 400 kHz ON/OFF Control, Negative Remote On/Off logic Logic Low (Module On) Von/off -0.7 0.8 V Logic High (Module Off) Von/off 2 18 V ON/OFF Control, Positive Remote On/Off logic Logic Low (Module Off) Von/off -0.7 0.8 V Logic High (Module On) Von/off 2 18 V ON/OFF Current (for both remote on/off logic) Ion/off at Von/off=0.0V 0.25 mA Leakage Current (for both remote on/off logic) Logic High, Von/off=15V 30 uA Output Voltage Trim Range Across Trim Pin & +Vo or -Vo, Pout≦max rated -10% 10% % Output Over-Voltage Protection Over full temp range; % of nominal Vout 3.8 4.62 V GENERAL SPECIFICATIONS MTBF Io=80% of Io, max; Ta=25°C; air flow 300LFM 1.98 M hours Weight 10.5 grams Over-Temperature Shutdown Refer to Figure 20 for the measuring point 117 °C |
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