V48SC3R320 66W DC/DC Power Modules FEATURES High efficiency : 91.0% 3.3V/20A Size: Without heat spreader 33.0mm*22.8mm*9.5mm(1.30*0.900.37) With heat spreader 33.0mm*22.8mm*12.7mm(1.30*0.900.50) Industry standard pin out and footprint Fixed frequency operation Input UVLO Hiccup output over current protection (OCP) Hiccup output over voltage protection (OVP) Auto recovery OTP Monotonic startup into normal and pre-biased loads 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 V48SC, Sixteenth Brick Family DC/DC Power Modules: 36~75V in, 3.3V/20A out, 66W OPTIONS Positive ON/OFF logic The Delphi Module V48SC3R320, sixteenth brick, 36~75V SMD PIN input, single output, isolated DC/DC converter is the latest offering Through hole with heat spreader from a world leader in power system and technology and manufacturing Delta Electronics, Inc. This product provides up to 66 watts of power in an industry standard footprint and pin out. With APPLICATIONS creative design technology and optimization of component Telecom / Datacom placement, these converters possess outstanding electrical and Wireless Networks thermal performances, as well as extremely high reliability under Optical Network Equipment highly stressful operating conditions. The V48SC3R320 offers more Server and Data Storage than 91.0% high efficiency at 20A load. Industrial / Testing Equipment DS V48SC3R320 02032016 E-mail: dcdc deltaww.com TECHNICAL SPECIFICATIONS PARAMETER NOTES and CONDITIONS V48SC3R320 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 32.0 34.0 36.0 Vdc Turn-Off Voltage Threshold 30.0 32.0 34.0 Vdc Lockout Hysteresis Voltage 1 2 3 Vdc Maximum Input Current Full Load, 36Vin 2.2 A No-Load Input Current Vin=48V, Io=0A 50 mA Off Converter Input Current Vin=48V, Io=0A 5 mA Inrush Current (I2t) 1 A2s Input Reflected-Ripple Current P-P thru 12H inductor, 5Hz to 20MHz 20 mA Input Voltage Ripple Rejection 120 Hz -50 dB OUTPUT CHARACTERISTICS Output Voltage Set Point Vin=48V, Io=0, Tc=25C 3.25 3.30 3.35 Vdc Output Voltage Regulation Load Regulation Vin=48V, Io=Io min to Io max 10 mV Line Regulation Vin=36V to 75V, Io=Io min 10 mV Temperature Regulation Vin=48V, Tc= min to max case temperatrue 33 mV Total Output Voltage Range over sample load, line and temperature 3.20 3.40 Vdc Output Voltage Ripple and Noise 5Hz to 20MHz bandwidth Peak-to-Peak Full Load, 1F ceramic, 10F tantalum 50 mV RMS Full Load, 1F ceramic, 10F tantalum 15 mV Operating Output Current Range 0 20 A Output DC Current-Limit Inception Output Voltage 10% Low 22 30 A DYNAMIC CHARACTERISTICS Output Voltage Current Transient 48V, 10F Tan & 1F Ceramic load cap, 0.1A/s Positive Step Change in Output Current 50% Io.max to 75% 100 mV Negative Step Change in Output Current 75% Io.max to 50% 100 mV Settling Time (within 1% Vout nominal) 100 s Turn-On Transient Start-Up Time, From On/Off Control 20 ms Start-Up Time, From Input 20 ms Maximum Output Capacitance 10000 F EFFICIENCY 100% Load Vin=48V 91.0 % 60% Load Vin=48V 91.5 % ISOLATION CHARACTERISTICS Input to Output 1500 Vdc Isolation Resistance 10 M Isolation Capacitance 1000 pF FEATURE CHARACTERISTICS Switching Frequency 420 465 510 kHz ON/OFF Control, Negative Remote On/Off logic Logic Low (Module On) 0 0.8 V Logic High (Module Off) 3.5 10 V ON/OFF Current (for both remote on/off logic) Ion/off at Von/off=0.0V mA Leakage Current (for both remote on/off logic) Logic High, Von/off=10V uA Output Voltage Trim Range -20 10 % Output Voltage Remote Sense Range 10 % Output Over-Voltage Protection Over full temp range % of nominal Vout 115 150 % GENERAL SPECIFICATIONS Io=80% of Io max Tc=25C Airflow=300LFM, MTBF 13.77 M hours Issue 3 Weight Without heat spreader 15.0 grams Weight With heat spreader 21.0 grams Refer to Figure 18 for Hot spot 1 location Over-Temperature Shutdown ( Without heat spreader) 127 C (48Vin,80% Io, 200LFM,Airflow from Vin- to Vin+) Refer to Figure 20 for Hot spot 2 location Over-Temperature Shutdown (With heat spreader) 120 C (48Vin,80% Io, 200LFM,Airflow from Vin- to Vin+) Over-Temperature Shutdown ( NTC resistor ) Refer to Figure 18 for NTC resistor location 125 C Note: Please attach thermocouple on NTC resistor to test OTP function, the hot spots temperature is just for reference. (T =25C, Natural convection, Vin=48Vdc, nominal Vout unless otherwise noted A DS V48SC3R320 02032016 E-mail: dcdc deltaww.com