Q48SC12042 500W DC/DC Power Modules FEATURES Input voltage range: 36V~75V Output voltage range ( trim and PMBUS) 8V~13.2V Fully regulated from 36 to 75Vin High efficiency : 95.0% 48Vin/42A Size: 58.4mm x 36.8mm x 12.4mm (2.3 x 1.45 x 0.49) Industry standard DOSA compliant pin out Fully protected: Input UVLO, Output OCP and OVP, OTP Droop current sharing 1500V isolation No minimum load required Fixed frequency operation ISO 9001, TL 9000, ISO 14001, QS9000, OHSAS18001 certified manufacturing facility UL/CUL 60950-1 (US & Canada) Q48SC 12042 Quarter Brick DC/DC Power Module OPTIONS 36~75V in, 12V / 42A out, 500W Positive or Negative On/Off logic Droop current sharing Q48SC12042, quarter brick, 36~75V input, single output 12V, Digital pins are full digital control DC/DC converter, and are the latest offering from a world leader in power system and technology and manufacturing Delta Electronics, Inc. This product provides up to 500 watts of power at 36~75V input in an industry standard, DOSA compliant footprint and pin out. The Q48SC12042 offers more than 95.0% high efficiency at 48V input, 12V output and 42A load. There is a built-in digital PWM controller in the Q48SC12042 series, which is used to complete APPLICATIONS the Vo feedback, PWM signal generation, droop current sharing, Datacom / Networking fault protection, output voltage trim, on/off control and PMBUS Wireless networks communications, and so on. With the digital control, many Optical network equipment design and application flexibility, advanced performance, and Server and data storage reliability are obtained. The Q48SC12042 can be connected in Industrial / Test equipment parallel directly for higher power without adding external oring-fet. Datasheet E-mail: dcdc deltaww.com DS Q48SC12042 07122019 TECHNICAL SPECIFICATIONS (T =25C, airflow rate=400 LFM, V =48Vdc, nominal Vout unless otherwise noted.) A in PARAMETER NOTES and CONDITIONS Q48SC12042 Min. Typ. Max. Units ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous 0 75 Vdc Transient (100ms) 100ms 100 Vdc On/off Pin Voltage -50 50 V Other Pin Voltage Trim/Current Sharing, C2, Data, SMBAlert, Clock, Addr1, Addr0 -0.3 3.6 V Output negative voltage 0.3 V 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 34 36 Vdc (Adjustable via PMBus, VIN ON) Turn-Off Voltage Threshold 31 34 Vdc (Adjustable via PMBus, VIN OFF) Lockout Hysteresis Voltage 2 Vdc Maximum Input Current Vin=36V, 100% Load 17.5 A No-Load Input Current Vin=48V 80 110 140 mA Off Converter Input Current Vin=48V 10 18 26 mA Input Capacitance 100 uF 2 Inrush Current (I t) 1 A2S Input Reflected-Ripple Current P-P thru 12H inductor, 5Hz to 20MHz 60 mA Input Voltage Ripple Rejection 120Hz 50 dB OUTPUT CHARACTERISTICS The module without droop current sharing option code Output Voltage Set Point Vin=48V, Io=0A , Ta=25C 11.88 12 12.12 Vdc (Adjustable via PMBus) Output Voltage Regulation Over Line Vin=36V to 75V, Io=100% load 40 mV Over Load Vin=36V to 75V, Io=Io,min to Io,max 40 mV Over tempearture Vin=36V to 75V, Io=100% load, Ta= -40C to 85C 120 mV The module with droop current sharing option code Output Voltage Set Point Vin=48V, Io=0A , Ta=25C 12.28 12.4 12.52 Vdc (Adjustable via PMBus) Output Voltage Regulation Over Line Vin=36V to 75V, Io=100% load 40 mV Over Load Vin=36V to 75V, Io=Io,min to Io,max -750 -500 mV Over tempearture Vin=36V to 75V, Io=100% load, Ta= -40C to 85C 120 mV Both with and without droop current sharing option code Output Voltage Trim and PMBUS Range Vin=36V to 75V, Pout max rated power,Io Io.max -33.3 10 % Vin=36V to 75V, Pout max rated power,Io Io.max Output Voltage Remote Sense Range (note 2) 5.8 10 % Output Over-Voltage Lockout 15.2 Vdc (Adjustable via PMBus, VOUT OV FAULT LIMIT) Operating Output Current Range Full input voltage range 0 42 A Output DC Current-Limit Inception 115 135 % Output Capacitance 300 15000 F Output Voltage Ripple and Noise Vin=48V, Full load, 20MHz bandwidth Co= 300uF/16V (polymer ) + 10u/16V (Tantalum Capacitor) Peak-to-Peak 75 110 mV +1u/16V (Ceramic ) Co= 300uF/16V (polymer ) + 10u/16V (Tantalum Capacitor) RMS 22 32 mV +1u/16V (Ceramic ) DYNAMIC CHARACTERISTICS Vin=48V, Load Slew rate 0.1A/s with a 1uF ceramic , Output Voltage Current Transient a 10uF tantalum, and a 300uF polymer capacitor Positive Step Change in Output Current 50% Io.max to 75% Io.max 350 500 mV Negative Step Change in Output Current 75% Io.max to 50% Io.max -500 -350 mV Settling Time (within 1% Vout nominal) 500 s Turn-On Transient (Adjustable via PMBus) Start-Up Time, From On/Off Control From On/off to 90%Vo final value 55 ms Start-Up Time, From Input From Input to 90%Vo final value 75 ms Output voltage Rise Time From 10%Vo final value to 90%Vo final value 30 ms EFFICIENCY 100% Load Vin=48V 95.0 % 60% Load Vin=48V 96.0 % ISOLATION CHARACTERISTICS Input to Output 1500 Vdc Isolation Resistance 10 M Isolation Capacitance 6800 pF DS Q48SC12042 07122019 E-mail: dcdc deltaww.com