Q48SK12448NNFB 600W DC/DC Power Modules FEATURES High efficiency: 96.2% 12V/50A out Max output power is up to 800 watts(4 ms) size(with heat spreader): 58.4 x 36.8 x 12.9mm (2.30x1.45x0.51) Standard footprint Pre-bias startup No minimum load required External with 450uF minimum capacitance Fixed frequency operation Input UVLO, output OCP, OVP, OTP Hiccup output over current protection (OCP) Latch output over voltage protection (OVP) Auto recovery OTP and input UVLO 1500V isolation and function insulation ISO 9001, TL 9000, ISO 14001, QS 9000, OHSAS 18001 certified manufacturing facility UL/cUL 60950 (US & Canada) certification Q48SK12448NNFB, For 600W Quarter Brick DC/DC Power Modules: 46~60V OPTIONS in, 12V/ 50A out OVP hiccup or latch mode The Delphi Module Q48SK12448NNFB, Quarter Brick, 46~60V input, single output, isolated DC/DC converter is the latest offering from a world leader in power system and technology and manufacturing Delta Electronics, Inc. This product provides up to 600 watts of power in an industry standard footprint and pin out. With creative design technology and optimization of component placement, these converters possess outstanding electrical and thermal performances, as well as extremely high reliability under APPLICATIONS highly stressful operating conditions. The Q48SK12448NNFB Telecom / Datacom offers more than 96.2% high efficiency at 50A load. The Wireless Networks Q48SK12448NNFB is fully protected from abnormal input/output Optical Network Equipment voltage, current, and temperature conditions and meets all safety Server and Data Storage requirements with basic insulation. Industrial / Testing Equipment DATASHEET E-mail: dcdc deltaww.com DS Q48SK12448NNFB 10222015 TECHNICAL SPECIFICATIONS (T =25C, airflow rate=300 LFM, V =54Vdc, nominal Vout unless otherwise noted A in PARAMETER NOTES and CONDITIONS Q48SK12448NNFB Min. Typ. Max. Units ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous 60 Vdc Operating Ambient temperature -40 85 C Storage Temperature -55 125 C Input/Output Isolation Voltage 1500 Vdc Min time interval between trun off to next turn on 20 ms INPUT CHARACTERISTICS Operating Input Voltage 46 54 60 Vdc Input Under-Voltage Lockout Turn-On Voltage Threshold 42 44 46 Vdc Turn-Off Voltage Threshold 40 42 44 Vdc Lockout Hysteresis Voltage 2 Vdc Maximum Input Current 50A Load, 46Vin 15 A Maximum Input Current 800 watts Load for 4ms, 46Vin 19.5 A No-Load Input Current Vin=54V, Io=0A 80 160 210 mA Off Converter Input Current Vin=54V, Io=0A 7 15 20 mA 2 2 Inrush Current (I t) 1 A s Input Reflected-Ripple Current P-P thru 12H inductor, 5Hz to 20MHz 250 mA OUTPUT CHARACTERISTICS Output Voltage Set Point Vin=54V, Io=0, Tc=25C 11.9 12 12.1 Vdc Output Voltage Regulation Over Load Vin=54V, Io=Io min to Io max 30 mV Over Line Vin=46V to 60V, Io=Io min 20 mV Over Temperature Vin=54V, Tc= min to max case temperatrue 130 mV Total Output Voltage Range over sample load, line and temperature 11.4 12.6 Vdc Output Voltage Ripple and Noise 20MHz bandwidth Peak-to-Peak Full Load, 1F ceramic,10F tantalum,450uF Oscon 250 350 mV RMS Full Load, 1F ceramic,10F tantalum,450uF Oscon 20 60 mV Operating Output Current Range 0 50 A Operating Output Current Range 800 watts Load for 4ms 0 67 A Output DC Current-Limit Inception Output Voltage 10% Low 73 80 87 A Start afford load time, From On/Off Control 2 s DYNAMIC CHARACTERISTICS , 1F ceramic,10F tantalum,450uF Oscon Output Voltage Current Transient 0.1A/s Positive Step Change in Output Current 50% to 75% of full load 200 350 mV Negative Step Change in Output Current 75% to 50% of full load 200 350 mV Settling Time (within 1% Vout nominal) 450 s Turn-On Transient Vin slew rate: 10V/mS Start-Up Time, From On/Off Control 60 90 120 ms Start-Up Time, From Input 60 90 120 ms Maximum Output Capacitance Low ESR CAP (OSCON), 100% load 8900 F EFFICIENCY 100% Load Vin=54V 96.2 96.7 % 60% Load Vin=54V 96.0 96.5 % ISOLATION CHARACTERISTICS Input to Output 1500 Vdc Isolation Resistance 10 M Isolation Capacitance 1000 pF FEATURE CHARACTERISTICS Switching Frequency 180 kHz ON/OFF Control, Negative Remote On/Off logic Logic Low (Module On) Von/off at Ion/off=1.0mA 0 0.8 V Logic High (Module Off) Von/off at Ion/off=0.0 A 2 50 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 Over-Voltage Protection Over full temp range 14 16 Vdc GENERAL SPECIFICATIONS MTBF Io=80% of Io, max Ta=25C 2.1 M hours Weight(with heat spreader) 74.5 grams Refer to Figure18 for Hot spot location Over-Temperature Shutdown (Hot Spot) 125 C (54Vin,80%Io, 200LFM,Airflow from Vin+ to Vin-) Over-Temperature Shutdown (NTC Resistor) 130 C Note: Please attach thermocouple on NTC resistor to test OTP function, the hot spots temperature is just for reference. DS Q48SK12448NNFB 10222015 E-mail: dcdc deltaww.com