Q48SQ12033 400W DC/DC Power Modules FEATURES Electrical High efficiency: 95.5% 12V/33A Industry standard footprint and pin-out Input UVLO, Output OCP, OVP, OTP Hiccup output over current protection (OCP) Latched output over voltage protection (OVP) Auto recovery OTP and input UVLO 1500V isolation and basic insulation No minimum load required Mechanical Size: Without heat-spreader 57.9x36.8x11.2mm (2.28x1.45x0.44) With heat-spreader 57.9x36.8x12.7mm (2.28x1.45x0.50) Soldering Methods Wave soldering Hand soldering Q48SQ12033 Safety & Reliability ISO 9001, TL 9000, ISO 14001, QS9000, Quarter Brick DC/DC Power Module OHSAS18001 certified manufacturing facility 36~75V in, 12V/33A out, 400W UL/cUL 60950-1 (US & Canada) recognized Q48SQ12033, quarter brick, 36~75V input, single output, isolated DC/DC OPTIONS converter is the latest offering from a world leader in power system and Negative or Positive remote On/Off technology and manufacturing Delta Electronics, Inc. This product Open frame/Heat-spreader provides up to 400 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 APPLICATIONS performances, as well as extremely high reliability under highly stressful Telecom / Datacom operating conditions. The Q48SQ12033 offers more than 95.5% high Wireless Networks efficiency at 33A full load. The Q48SQ12033 is fully protected from Optical Network Equipment abnormal input/output voltage, current, and temperature conditions and Server and Data Storage meets all safety requirements with basic insulation. Industrial / Testing Equipment Datasheet E-mail: dcdc deltaww.com DS Q48SQ12033 08162019 TECHNICAL SPECIFICATIONS (TA=25C, airflow rate=300 LFM, Vin=48Vdc, nominal Vout unless otherwise noted) PARAMETER NOTES and CONDITIONS Q48SQ12033 Min. Typ. Max. Units ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous 80 Vdc Transient (100ms) 100ms 100 Vdc Operating Ambient Temperature -40 85 C Storage Temperature -55 125 C Input/Output Isolation Voltage 1500 Vdc INPUT CHARACTERISTICS Operating Input Voltage 36 48 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 2 Vdc Maximum Input Current 13 A No-Load Input Current Vin=48V, Io=0A 100 mA Off Converter Input Current Vin=48V, Io=0A 9 13 mA 2 Inrush Current ( I t) 1 A2s Input Reflected-Ripple Current P-P thru 12H inductor, 5Hz to 20MHz 20 mA Input Voltage Ripple Rejection 120 Hz -30 dB OUTPUT CHARACTERISTICS Output Voltage Set Point Vin=48V, Io=0, Tc=25C 11.88 12.00 12.12 Vdc Output Regulation Load Regulation Vin=48V, Io=Io,min to Io,max 10 30 mV Line Regulation Vin=36V to 75V, Io=Io min 10 30 mV Temperature Regulation Vin=48V, Tc=-40C to 85C 60 mV Total Output Voltage Range over sample load, line and temperature 11.64 12.36 Vdc Output Voltage Ripple and Noise 5Hz to 20MHz bandwidth Peak-to-Peak Full Load, 1F ceramic, 10F tantalum 110 160 mV RMS Full Load, 1F ceramic, 10F tantalum 25 50 mV Operating Output Current Range 0 33 A Output DC Current-Limit Inception Output Voltage 10% Low 40 43 46 A DYNAMIC CHARACTERISTICS Output Voltage Current Transient 48V, 100uF Al Ecap,10F Tan & 1F Ceramic load cap, 0.1A/s Positive Step Change in Output Current 50% Io.max to 75% Io.max 250 500 mV Negative Step Change in Output Current 75% Io.max to 50% Io.max 250 500 mV Settling Time (within 1% Vout nominal) 300 us Turn-On Transient Start-Up Time, From On/Off Control Start-up time by On/off, from On/off to 90%Vo.set 100 140 ms Start-Up Time, From Input Start-up time by Vin, from Input to 90%Vo.set 100 140 ms Output voltage rise time Time for Vo to rise from 10% to 90% of Vo,set 60 75 ms Maximum Output Capacitance Low ESR CAP (OSCON), 100% load 0 5500 F EFFICIENCY 100% Load Vin=48V 95.0 95.5 % 60% Load Vin=48V 95.3 95.8 % ISOLATION CHARACTERISTICS Input to Output 1500 Vdc Isolation Resistance 10 M Isolation Capacitance 6800 pF FEATURE CHARACTERISTICS Switching Frequency 130 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 Control, Positive Remote On/Off logic Logic Low (Module Off) Von/off at Ion/off=1.0mA 0 0.8 V Logic High (Module On) 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 % of nominal Vout 115 125 140 % Output voltage trim range PoutMax rated power -20 10 % GENERAL SPECIFICATIONS MTBF(with heat spreader) Io=80% of Io, max Ta=40C 3.33 M hours Weight(without heat spreader) 50.0 grams Weight(with heat spreader) 65.5 grams Over-Temperature Shutdown (without hea Refer to Figure 21 for Hot spot location (48Vin,80% Io, 135 C spreader) 200LFM,Airflow from Vin+ to Vin-) Over-Temperature Shutdown (with heat spreader) Refer to Figure 23 for Hot spot location (48Vin,80% Io, 125 C 200LFM,Airflow from Vin+ to Vin-) Over-Temperature Shutdown (NTC Resistor) Refer to Figure 21 NTC resistor location 125 C Note: Please attach thermocouple on NTC resistor to test OTP function, the hot spots temperature is just for reference. Datasheet E-mail: dcdc deltaww.com DS Q48SQ12033 08162019