E48SK12038 th 450W 1/8 Brick DC/DC Power Modules FEATURES Electrical Typical efficiency up to 96% PMBus communication Fully protected: Input UVP, output OVP, OCP and OTP Remote ON/OFF Monotonic and Pre-bias startup No minimum load required 2250Vdc isolation Mechanical Size: 58.4x22.8x12.7mm (2.30x0.90x0.50) Safety& Reliability nd IEC/EN/UL/CSA 62368-1, 2 edition nd IEC/EN/UL/CSA 60950-1, 2 edition+A2 ISO 9001, TL 9000, ISO 14001, QS 9000, OHSAS18001 certified manufacturing facility E48SK12038 OPTIONS Eighth Brick DC/DC Power Module 36~75V in, 10.8~12V/37.5A out, 450W Negative/Positive Remote on/off Optional PMBus Pins E48SK12038, eighth brick, 36~75V input, single output 12V, isolated APPLICATIONS DC/DC converter is the latest offering from a world leader in power system and technology and manufacturing Delta Electronics, Inc. Optical Transport Data Networking This product provides up to 450 watts of power at 36~75V input in an Communications industry standard footprint and pin out. With creative design Servers technology and optimization of component placement, these converters possess outstanding electrical and thermal performances, as well as extremely high reliability under highly stressful operating SOLDERING METHOD conditions. The E48SK12038 offers typical 96% high efficiency. It can be trimmed to a very wide range of output voltage. The E48SK12038 is Wave soldering fully protected from abnormal input/output voltage, current, and Hand soldering temperature conditions and meets 2250V isolation. Reflow soldering (MSL of rating 3) Datasheet E-mail: dcdc deltaww.com DS E48SK12038 09142020 TECHNICAL SPECIFICATIONS (T =25C, airflow rate=300 LFM, V =48Vdc, nominal V unless otherwise noted.) A in out PARAMETER NOTES and CONDITIONS Min. Typ. Max. Units ABSOLUTE MAXIMUM RATINGS Input Voltage Vdc Continuous 0 75 Vdc Transient 100mS 80 Vdc Operating Ambient Temperature (Ta) -40 85 C Operating Module Temperature (Th) Hot Spot Temperature -40 115 C Storage Temperature -55 125 C Input/Output Isolation Voltage 2250 Vdc INPUT CHARACTERISTICS Operating Input Voltage 36 48 75 Vdc Input Under-Voltage Lockout Turn-On Voltage Threshold 33 36 Vdc Turn-Off Voltage Threshold 31 34 Vdc Lockout Hysteresis Voltage 2 Vdc Maximum Input Current Full Load, 36Vin 13.9 A No-Load Input Current Vin=48V, Io=0A 100 mA Off Converter Input Current V =48V 30 mA in 2 Inrush Current With 100uF Aluminum Capacitor 1 A S Internal Input Ripple Current V =48V, Io=37.5 A, P-P thru 12H inductor 200 mArms in Input Voltage Rejection At 120Hz 40 dB OUTPUT CHARACTERISTICS Vin=36V~38V, Io=Open Load, Tc=25C 10.6 10.8 11.7 Vdc Output Voltage Set Point Vin=38V~40V, Io=Open Load, Tc=25C 10.6 11.5 12.12 Vdc Vin=40V~75V, Io=Open Load, Tc=25C 11.88 12 12.12 Vdc Output Regulation Load Regulation Vin=48V, Io=Iomin to Iomax +/-0.5 %Vo,set Line Regulation V =40V to 75V, I =0 +/-0.5 %Vo,set in o Temperature Regulation T =-40C to 85C +/-1 %Vo,set a Total Output Voltage Range Over sample load, 40V-75Vin and temperature 11.64 12 12.36 V Output Voltage Ripple and Noise 5Hz to 20MHz bandwidth Peak-to-Peak Full Load, Co=470uF, 1F ceramic, 10F tantalum 50 mV RMS Full Load, Co=470uF, 1F ceramic, 10F tantalum 15 mV Operating Output Current Range 36V-75Vin 0 37.5 A Output Over Current Protection(hiccup mode) when V <10%V 41.25 52.5 A o o.nom Output Over Voltage Protection(hiccup mode) 14 15 17 V Output voltage trim range (note1) Trim pin 8 13.2 V DYNAMIC CHARACTERISTICS Output Voltage Current Transient 470F Oscon & 1F Ceramic load cap, 1A/s Positive Step Change in Output Current 75% Io.max to 50% Io.max 360 mV Negative Step Change in Output Current 50% Io.max to 75% Io.max -360 mV Settling Time (within 1% nominal Vout) 500 s Turn-On Delay Time Start-Up Delay Time From Input Voltage On/Off=On,from Vin=Turn-on Threshold to Vo=10%Vo,nom 50 mS Start-Up Delay Time From On/Off Control Vin=Vin,nom, from On/Off=On to Vo=10% Vo,nom 20 mS Output Voltage Rise Time Vo=10% to 90% Vo,nom 70 mS Output Capacitance 330 15000 F EFFICIENCY 100% Load Vin=48V, Io=Full Load, Tc=25C 95.6 % 60% Load Vin=48V, Io=60% Load, Tc=25C 96 % ISOLATION CHARACTERISTICS Input to Output 2250 Vdc Isolation Capacitance 4.7 nF FEATURE CHARACTERISTICS Switching Frequency 250 KHz On/Off Control, Negative Remote On/Off logic Logic Low (Module On) V 0.8 V on/off Logic High (Module Off) Von/off 3.5 10 V ON/OFF Current Ion/off at Von/off=0.0V 1.5 mA Leakage Current Logic High, Von/off=5V 1 mA GENERAL SPECIFICATIONS MTBF Normal input,Io=88% of Io, max Tbaseplate=40C 5.7 Mhours Weight With heat-spreader 44 grams Refer to Figure 17 for Hot spot 1 location Over-Temperature Shutdown (With heat-spreader) 136 C (48V ,80% I , 200LFM,Airflow from V to V ) in o in+ in- Refer to Figure 19 for Hot spot 2 location Over-Temperature Shutdown (With heat sink ETL050A) 136 C (48V ,80% I , 200LFM,Airflow from V to V ) in o in+ in- Refer to Figure 21 for Hot spot 3 location Over-Temperature Shutdown (With heat sink ELL050A) 136 C (48V ,80% I , 200LFM,Airflow from Input to Output ) in o Over-Temperature Shutdown (NTC resistor ) 135 Note1: Output voltage trim up range limited at Vin<40V. Note2: 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 E48SK12038 09142020