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H48SA12025NNFA Datasheet(PDF) 2 Page - Delta Electronics, Inc. |
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H48SA12025NNFA Datasheet(HTML) 2 Page - Delta Electronics, Inc. |
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2 / 15 page  DS_H48SA12025_05112009 2 TECHNICAL SPECIFICATIONS (TA=25°C, airflow rate=300 LFM, Vin=48Vdc, nominal Vout unless otherwise noted.) PARAMETER NOTES and CONDITIONS H48SA12025 (Standard) Min. Typ. Max. Units ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous 80 Vdc Transient (100ms) 100ms 100 Vdc Operating Device Temperature(Openframe) Please refer to fig24. for the measuring point -40 122 °C Operating Device Temperature(Heatspreader) Please refer to fig25. for the measuring point -40 109 °C Storage Temperature -55 125 °C Input/Output Isolation Voltage 2250 Vdc INPUT CHARACTERISTICS Operating Input Voltage 36 48 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 Vin=36V, 100% Load 9.5 A No-Load Input Current 170 240 mA Off Converter Input Current 18 mA Inrush Current(I 2t) With 100uF external input cap 1 A 2S Input Terminal Ripple Current RMS, With 100uF/0.1ohm input cap, 100% Load 0.42 A Input Reflected-Ripple Current Pk-Pk, thru 12µH inductor, 5Hz to 20MHz, 100% Load 7 mA Input Voltage Ripple Rejection 120 Hz 50 dB OUTPUT CHARACTERISTICS Output Voltage Set Point Vin=48V, Io=Io.max, Tc=25℃ 11.82 12 12.18 Vdc Output Voltage Regulation Over Load Io=Io,min to Io,max ±10 mV Over Line Vin=36V to 75V ±10 mV Over Temperature Tc=-40℃ to 100℃ ±120 mV Total Output Voltage Range over sample load, line and temperature 11.64 12.36 V Output Voltage Ripple and Noise 5Hz to 20MHz bandwidth Peak-to-Peak 100% Load, 1µF ceramic, 10µF tantalum 60 120 mV RMS 100% Load, 1µF ceramic, 10µF tantalum 30 60 mV Operating Output Current Range Full input range 0 25 A Operating Output Power Range Full input range 0 300 W Output DC Current Protection Full input range 110 150 % 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 400 mV Negative Step Change in Output Current 75% Io,max to 50% Io,max 400 mV Settling Time (within 1% Vout nominal) 400 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 100% Resistor load; 5% overshoot of Vout at startup 10000 µF EFFICIENCY 100% Load Vin=48V 93.2 % 60% Load Vin=48V 92.5 % ISOLATION CHARACTERISTICS Input to Output 2250 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 -2 1.2 V Logic High (Module Off) Von/off 3 18 V ON/OFF Control, Positive Remote On/Off logic Logic Low (Module Off) Von/off -2 1.2 V Logic High (Module On) Von/off 3 18 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=3V 10 uA Leakage Current(for both remote on/off logic) Logic High, Von/off=15V 100 uA Output Voltage Trim Range Pout <= max rated power 9.6 13.2 V Output Voltage Remote Sense Range Pout <= max rated power 10 % Output Over-Voltage Protection Over full input range; Over full temp range 115 140 % GENERAL SPECIFICATIONS MTBF Io=80% of Io, max; Ta=25°C,airflow rate=300 LFM 1.5 M hours Weight Open frame 80 grams Over-Temperature Shutdown(Openframe) Please refer to Fig 24. for the measuring point 127 °C Over-Temperature Shutdown(Heatspreader) Please refer to Fig 25. for the measuring point 116 °C |
Similar Part No. - H48SA12025NNFA_14 |
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Similar Description - H48SA12025NNFA_14 |
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