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V48SR1R225PKFA Datasheet(PDF) 2 Page - Delta Electronics, Inc. |
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V48SR1R225PKFA Datasheet(HTML) 2 Page - Delta Electronics, Inc. |
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2 / 14 page  TECHNICAL SPECIFICATIONS (TA=25°C, airflow rate=300 LFM, Vin=48Vdc, nominal Vout unless otherwise noted.) PARAMETER NOTES and CONDITIONS V48SR1R225 (Standard) Min. Typ. Max. Units ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous 80 Vdc Transient (100ms) 100ms 100 Vdc Operating Temperature Refer to figure 21 for measuring point -40 127 °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 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 1.2 A No-Load Input Current 50 mA Off Converter Input Current 10 mA Inrush Current (I 2t) 1 A 2s Input Reflected-Ripple Current P-P thru 12µH inductor, 5Hz to 20MHz 20 mA Input Voltage Ripple Rejection 120 Hz 60 dB OUTPUT CHARACTERISTICS Output Voltage Set Point Vin=48V, Io=Io.max, Tc=25°C 1.188 1.200 1.212 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 to125°C ±12 mV Total Output Voltage Range Over sample load, line and temperature 1.164 1.20 1.236 V Output Voltage Ripple and Noise 5Hz to 20MHz bandwidth Peak-to-Peak Full Load, 1µF ceramic, 10µF tantalum 40 mV RMS Full Load, 1µF ceramic, 10µF tantalum 15 30 mV Operating Output Current Range 0 25 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 mV Negative Step Change in Output Current 75% Io.max to 50% Io.max 50 mV Settling Time (within 1% Vout nominal) 200 us Turn-On Transient Start-Up Time, From On/Off Control 30 ms Start-Up Time, From Input 30 ms Maximum Output Capacitance Full load; 5% overshoot of Vout at startup 30000 µF EFFICIENCY 100% Load 84.0 % 60% Load 84.0 % ISOLATION CHARACTERISTICS Input to Output 2250 Vdc Isolation Resistance 10 MΩ Isolation Capacitance 1100 pF FEATURE CHARACTERISTICS Switching Frequency 420 kHz ON/OFF Control, Negative Remote On/Off logic Logic Low (Module On) Von/off 0.7 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 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 1 mA 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 120 130 160 % GENERAL SPECIFICATIONS MTBF Io=80% of Io, max; Ta=25°C, airflow rate=300FLM 2.22 M hours Weight 16 grams Over-Temperature Shutdown Refer to figure 21 for measuring point 130 °C DS_V48SR1R225_01312007 2 |
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