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V48SH1R840PRFH Datasheet(PDF) 2 Page - Delta Electronics, Inc. |
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V48SH1R840PRFH Datasheet(HTML) 2 Page - Delta Electronics, Inc. |
2 / 13 page DS_V48SH1R840_05162011 2 TECHNICAL SPECIFICATIONS (TA=25°C, airflow rate=300 LFM, Vin=48Vdc, nominal Vout unless otherwise noted.) PARAMETER NOTES and CONDITIONS V48SH1R840 (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 measuring point -40 120 °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 32.5 34 35.5 Vdc Turn-Off Voltage Threshold 30.5 32 33.5 Vdc Lockout Hysteresis Voltage 1 2 3 Vdc Maximum Input Current 100% Load, 36Vin 2.4 A No-Load Input Current 50 80 mA Off Converter Input Current 7 12 mA Inrush Current (I 2t) With 100uF external input capacitor 1 A 2s Start up Current Peak, Vin=36V, 100% Load, With 10000uF Co 2.4 3.6 A Input Terminal Ripple Current RMS, Vin=48V, With 100uF input cap. 0.07 0.11 A Input Reflected-Ripple Current P-P thru 12µH inductor, 5Hz to 20MHz 8 15 mA Input Voltage Ripple Rejection 120 Hz 45 dB OUTPUT CHARACTERISTICS Output Voltage Set Point Vin=48V, Io=Io.max, Tc=25°C 1.773 1.8 1.827 Vdc Output Voltage Regulation Over Load Io=Io, min to Io, max ±5 mV Over Line Vin=36V to 75V ±5 mV Over Temperature Tc=-40°C to125°C ±18 mV Total Output Voltage Range Over sample load, line and temperature 1.746 1.854 V Output Voltage Ripple and Noise 5Hz to 20MHz bandwidth Peak-to-Peak Full Load, 1µF ceramic, 10µF tantalum 70 120 mV RMS Full Load, 1µF ceramic, 10µF tantalum 25 50 mV Operating Output Current Range 0 40 A Output Over Current Protection 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 50 100 mV Negative Step Change in Output Current 75% Io.max to 50% Io.max 50 100 mV Settling Time (within 1% Vout nominal) 150 300 us Turn-On Transient Start-Up Time, From On/Off Control 12 28 ms Start-Up Time, From Input 12 28 ms Maximum Output Capacitance Cap ESR>=15mohm; Full load; 5% overshoot of Vout at startup; 0 10000 µF EFFICIENCY 100% Load Vin=48V 87 88.5 % 60% Load Vin=48V 87 88.5 % ISOLATION CHARACTERISTICS Input to Output 1500 Vdc Isolation Resistance 10 MΩ Isolation Capacitance 1500 pF FEATURE CHARACTERISTICS Switching Frequency 300 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 15 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 15 V ON/OFF Current (for both remote on/off logic) Ion/off at Von/off=0.0V 0.3 mA ON/OFF Current (for both remote on/off logic) Ion/off at Von/off=2V 10 uA Leakage Current (for both remote on/off logic) Logic High, Von/off=15V 50 uA 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 temp range; % of nominal Vout 130 % GENERAL SPECIFICATIONS MTBF Io=80% of Io, max; Ta=40°C, airflow rate=400FLM 1.9 M hours Weight Open frame 14.2 grams Over-Temperature Shutdown Refer to figure 20 for measuring point 130 °C |
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