FEATURES High efficiency : 95.5% 12V/25A Size: 57.9*36.8*11.2mm(2.28*1.45*0.44) (without heat spreader) 57.9*36.8*12.7mm(2.28*1.45*0.50) (with heat spreader) Standard footprint Industry standard pin out Fixed frequency operation Input UVLO, Output OCP, OVP, OTP Hiccup output over current protection (OCP) Hiccup output over voltage protection (OVP) Auto recovery OTP and input UVLO 1500V isolation and basic insulation No minimum load required ISO 9001, TL 9000, ISO 14001, QS9000, OHSAS18001 certified manufacturing facility UL/cUL 60950-1 (US & Canada) recognized Delphi Series Q48SQ, Quarter Brick Family OPTIONS DC/DC Power Modules: Latched over current protection 36~75V in, 12V/25A out, 300W Positive/Negative On/Off logic Latched over voltage protection The Delphi series Q48SQ12025, quarter brick, 36~75V input, single output, Heat spreader optional 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 300 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 highly stressful APPLICATIONS operating conditions. The Q48SQ12025 offers more than 95.8% high Telecom / Datacom efficiency at 25A full load. The Q48SQ12025 is fully protected from abnormal Wireless Networks input/output voltage, current, and temperature conditions and meets all Optical Network Equipment safety requirements with basic insulation. Server and Data Storage Industrial / Testing Equipment DS Q48SQ12025 07042013 TECHNICAL SPECIFICATIONS (T =25C, airflow rate=300 LFM, V =48Vdc, nominal Vout unless otherwise noted A in PARAMETER NOTES and CONDITIONS Q48SQ12025 (Standard) Min. Typ. Max. Units ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous 80 Vdc Transient 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 2 Inrush Current (I t) 1 A s 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 Voltage Regulation Over Load Vin=48V, Io=Io,min to Io,max 10 30 mV Over Line Vin=36V to 75V, Io=Io min 10 30 mV Over Temperature 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 100 150 mV RMS Full Load, 1F ceramic, 10F tantalum 25 50 mV Operating Output Current Range 0 25 A Output DC Current-Limit Inception Output Voltage 10% Low 30 32.5 35 A DYNAMIC CHARACTERISTICS 48V, 100uF Al Ecap,10F Tan & 1F Ceramic load Output Voltage Current Transient cap, 0.1A/s Positive Step Change in Output Current 50% Io.max to 75% Io.max 250 mV Negative Step Change in Output Current 75% Io.max to 50% Io.max 250 mV Settling Time (within 1% Vout nominal) 300 us Turn-On Transient Start-Up Time, From On/Off Control 100 ms Start-Up Time, From Input 100 ms Maximum Output Capacitance Low ESR CAP (OSCON), 100% load 0 5500 F EFFICIENCY 100% Load Vin=48V 95.5 % 60% Load Vin=48V 95.4 % 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 Tc=25C Airflow=300LFM 2 M hours Weight(without heat spreader) 50.0 grams Weight(with heat spreader) 65.5 grams Refer to Figure 21 for Hot spot location Over-Temperature Shutdown (without heat spreader) 130 C (48Vin,80% Io, 200LFM,Airflow from Vin+ to Vin-) Refer to Figure 23 for Hot spot location Over-Temperature Shutdown (with heat spreader) 123 C (48Vin,80% Io, 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. 2 DS Q48SQ12025 07042013