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Q48SB10828NNFH Datasheet(PDF) 2 Page - Delta Electronics, Inc. |
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Q48SB10828NNFH Datasheet(HTML) 2 Page - Delta Electronics, Inc. |
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2 / 11 page  TECHNICAL SPECIFICATIONS (TA=25°C, airflow rate=300 LFM, Vin=48Vdc, nominal Vout unless otherwise noted.) PARAMETER NOTES and CONDITIONS Q48SB10828NRFA Min. Typ. Max. Units ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous 63 Vdc Operating Temperature Refer to Figure 15 for the measuring point -40 +124 °C Storage Temperature -55 +125 °C Input/Output Isolation Voltage 2250 Vdc INPUT CHARACTERISTICS Operating Input Voltage 36 48 60 Vdc Input Under-Voltage Lockout Turn-On Voltage Threshold 34 35 36 Vdc Turn-Off Voltage Threshold 32 33 34 Vdc Lockout Hysteresis Voltage 2 Vdc Input Over-Voltage Lockout Turn-Off Voltage Threshold 62 63 64 Vdc Turn-On Voltage Threshold 60 61 62 Vdc Lockout Hysteresis Voltage 2 Vdc Maximum Input Current 8 A No-Load Input Current 30 120 mA Off Converter Input Current 5 15 mA Inrush Current(I 2t) 0.02 A 2s Input Reflected-Ripple Current RMS thru 12µH inductor, 5Hz to 20MHz 10 mArms OUTPUT CHARACTERISTICS Output Voltage Set Point Vin=48V, Io=no load, Ta=25°C 9.6 Vdc Vin=54V, Io=no load, Ta=25°C 10.8 Vdc Output Voltage Regulation Over Load Io=Io,min to Io,max 400 500 mV Over Line Vin=36V to 60V 4.8 5 V Over Temperature Ta=-40°C to 85°C 200 mV Total Output Voltage Range over sample load, line and temperature 6.6 12.1 V Output Voltage Ripple and Noise 5Hz to 20MHz bandwidth Peak-to-Peak Full Load, 1µF ceramic, 10µF tantalum 120 mV RMS Full Load, 1µF ceramic, 10µF tantalum 30 mV Operating Output Current Range 0 31 A Output DC Current-Limit Inception Output Voltage 10% Low 40 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% Io.max 150 mV Negative Step Change in Output Current 75% Io.max to 50% Io.max 150 mV Settling Time (within 1% Vout nominal) 50 us 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 95.5 % 60% Load 96.5 % ISOLATION CHARACTERISTICS Input to Output 2250 Vdc Isolation Resistance 10 MΩ Isolation Capacitance 750 pF FEATURE CHARACTERISTICS Switching Frequency 130 kHz ON/OFF Control, (Logic Low-Module ON) Logic Low Von/off at Ion/off=1.0mA 0 0.8 V Logic High Von/off at Ion/off=0.0 µA 2.4 18 V ON/OFF Current Ion/off at Von/off=0.0V 1 mA GENERAL SPECIFICATIONS MTBF Io=80% of Io, max; Ta=25°C 2.88 M hours Weight 43 grams Over-Temperature Shutdown Refer to Figure 15 for the measuring point 127 °C DS_Q48SB10828_11062006 2 |
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