FEATURES High Efficiency: 91.5% 15V/4A Size: 58.4mmx22.8mmx8.4mm (2.30x0.90x0.33) Standard footprint Industry standard pin out Fixed frequency operation: 350KHz Input UVLO, Output OCP, OVP, OTP Basic insulation No minimum load required 2:1 Input voltage range ISO 9001, TL 9000, ISO 14001, QS9000, OHSAS18001 certified manufacturing facility UL/cUL 60950-1 (US & Canada) recognized Delphi Series E48SR, 66W Eighth Brick Family DC/DC Power Modules: 48V in, 15V/4A out OPTIONS The Delphi Series E48SR Eighth Brick, 48V input, single output, isolated DC/DC converter is the latest offering from a world leader in Positive On/Off logic power systems technology and manufacturing Delta Electronics, Inc. Short pin lengths This product family provides up to 66 watts of power or 25A of output SMD pin current (1.8V and below) in an industry standard footprint. 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 operating conditions. All models are fully protected from abnormal input/output voltage, current, and temperature conditions. The Delphi Series converters meet all safety requirements with basic insulation. APPLICATIONS Telecom/Datacom Wireless Networks Optical Network Equipment Server and Data Storage Industrial/Testing Equipment DATASHEET DS E48SR15004 10182013 TECHNICAL SPECIFICATIONS (T =25C, airflow rate=300 LFM, V =48Vdc, nominal Vout unless otherwise noted) A in PARAMETER NOTES and CONDITIONS E48SR15004 (Standard) Min. Typ. Max. Units ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous 80 Vdc Transient (100ms) 100ms 100 Vdc Operating Case Temperature Please refer to Fig. 21 for the measuring point -40 106 C Storage Temperature -55 125 C Input/Output Isolation Voltage 2250 Vdc INPUT CHARACTERISTICS Operating Input Voltage 36 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 1 2 3 Vdc Maximum Input Current 100% Load, 36Vin 2.2 A No-Load Input Current 60 100 mA Off Converter Input Current 4 10 mA 2 2 Inrush Current(I t) 1 A s Input Reflected-Ripple Current P-P thru 12H inductor, 5Hz to 20MHz 25 mA Input Voltage Ripple Rejection 120 Hz dB OUTPUT CHARACTERISTICS Output Voltage Set Point Vin=48V, Io=Io.max, Tc=25C 14.850 15.000 15.150 Vdc Output Voltage Regulation Over Load Io=Io,min to Io,max 5 15 mV Over Line Vin=36V to 75V 5 15 mV Over Temperature Tc=-40C to 85C 100 mV Total Output Voltage Range over sample load, line and temperature V Output Voltage Ripple and Noise 5Hz to 20MHz bandwidth Peak-to-Peak Full Load, 1F ceramic, 10F tantalum 80 120 mV RMS Full Load, 1F ceramic, 10F tantalum 25 40 mV Operating Output Current Range 0 4 A Output DC Current-Limit Inception Output Voltage 10% Low 110 140 % 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% Io.max 150 320 mV Negative Step Change in Output Current 75% Io.max to 50% Io.max 150 320 mV Settling Time (within 1% Vout nominal) 200 us Turn-On Transient Start-Up Time, From On/Off Control 6 12 ms Start-Up Time, From Input 6 12 ms Maximum Output Capacitance Full load 5% overshoot of Vout at startup 1000 F EFFICIENCY 100% Load 91.5 % 60% Load 90.5 % ISOLATION CHARACTERISTICS Input to Output 2250 Vdc Isolation Resistance 10 M Isolation Capacitance 1500 pF FEATURE CHARACTERISTICS Switching Frequency 350 kHz ON/OFF Control, Negative Remote On/Off logic Logic Low (Module On) Von/off at Ion/off=1.0mA 0 0.7 V Logic High (Module Off) Von/off at Ion/off=0.0 A 2 18 V ON/OFF Control, Positive Remote On/Off logic Logic Low (Module Off) Von/off at Ion/off=1.0mA 0 0.7 V Logic High (Module On) Von/off at Ion/off=0.0 A 2 18 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 Across Pins 9 & 5, Pout max rated power Output Voltage Trim Range 13.05 16.95 V Output Voltage Remote Sense Range Pout max rated power 10 % Output Over-Voltage Protection Over full temp range % of nominal Vout 17.25 21.75 V GENERAL SPECIFICATIONS MTBF Io=80% of Io, max Ta=25C 2.11 M hours Weight 19.6 grams Over-Temperature Shutdown Refer to Fig. 21 for the measuring point 114 C . 2 DS E48SR15004 10182013