FEATURES High efficiency: 93.1% 3.3V/40A Size: 58.4x22.8x10.9mm (2.30x0.90x0.43)(W/O heat-spreader) 58.4x22.8x12.7mm (2.30x0.90x0.50)(with heat-spreader) Industry standard footprint and pin out Fixed frequency operation SMD and through-hole versions Input UVLO OTP and output OCP, OVP Output voltage trim: -20%, +10% Monotonic startup into normal and pre-biased loads 2250V isolation and basic insulation No minimum load required No negative current during power or enable on/off ISO 9001, TL 9000, ISO 14001, QS 9000, OHSAS18001 certified manufacturing facility UL/cUL 60950-1 (US & Canada) th Delphi Series E48SP3R340, 1/8 Brick 132W Recognized DC/DC Power Modules: 48V in, 3.3V, 40A out th The Delphi Series E48SP3R340, 1/8 Brick, 48V input, single output, isolated DC/DC converter, is the latest offering from a world OPTIONS leader in power systems technology and manufacturing Delta SMD pins Electronics, Inc. This product family provides up to 132 watts of Short pin lengths available power or 40A of output current (3.3V and below) in an industry Positive remote On/Off th standard 1/8 brick form factor (2.30 x 0.90). The 3.3V output With heat spreader offers one of the highest output currents available and provides up to 93.1% efficiency at full load. With creative design technology and optimization of component placement, these converters possess outstanding electrical and thermal performance, as well as extremely high reliability under highly stressful operating conditions. All modules are protected from abnormal input/output voltage, APPLICATIONS current, and temperature conditions. Optical Transport Data Networking Communications Servers DATASHEET DS E48SP3R340 04032014 TECHNICAL SPECIFICATIONS (T =25C, airflow rate=300 LFM, V =48Vdc, nominal Vout unless otherwise noted.) A in PARAMETER NOTES and CONDITIONS E48SP3R340 (Standard) Min. Typ. Max. Units ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous 80 Vdc Transient (100ms) 100ms 100 Vdc Operating Ambient Temperature -40 85 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 32.5 34 35.5 Vdc Turn-Off Voltage Threshold 30.5 32 33.5 Vdc Lockout Hysteresis Voltage 1.5 2 2.5 Vdc Maximum Input Current 100% Load, 36Vin 3.9 4.5 A No-Load Input Current 80 120 mA Off Converter Input Current 8 12 mA 2 2 Inrush Current (I t) With 100uF external input capacitor 1 A s Start up Current Peak, Vin=36V, 100% Load, With 10000uF Co 4.5 6.75 A Input Terminal Ripple Current RMS, Vin=48V, With 100uF input cap. 0.15 0.25 A Input Reflected-Ripple Current P-P thru 12H inductor, 5Hz to 20MHz 20 30 mA Input Voltage Ripple Rejection 120 Hz 45 dB OUTPUT CHARACTERISTICS Output Voltage Set Point Vin=48V, Io=Io.max, Tc=25C 3.25 3.3 3.35 Vdc Output Voltage Regulation Over Load Io=Io, min to Io, max 5 10 mV Over Line Vin=36V to 75V 5 10 mV Over Temperature Tc=-40C to125C 33 mV Total Output Voltage Range Over sample load, line and temperature 3.2 3.4 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 30 45 mV Operating Output Current Range 0 40 A Output Over Current Protection Output Voltage 10% Low 110 150 % 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 50 100 mV Negative Step Change in Output Current 75% Io.max to 50% Io.max 50 100 mV Settling Time (within 1% Vout nominal) 100 200 us Turn-On Transient Start-Up Time, From On/Off Control 28 40 ms Start-Up Time, From Input 28 40 ms Cap ESR>=15mohm Maximum Output Capacitance 0 10000 F Full load 5% overshoot of Vout at startup EFFICIENCY 100% Load Vin=48V 92% 93.1% % 60% Load Vin=48V 91.5% 92.5% % ISOLATION CHARACTERISTICS Input to Output 2250 Vdc Isolation Resistance 10 M Isolation Capacitance 1500 pF FEATURE CHARACTERISTICS Switching Frequency 250 kHz ON/OFF Control, Negative Remote On/Off logic Logic Low (Module On) Von/off -0.7 0.8 V Logic High (Module Off) Von/off 2 15 V ON/OFF Control, Positive Remote On/Off logic Logic Low (Module Off) Von/off -0.7 0.8 V Logic High (Module On) Von/off 2 15 V ON/OFF Current (for both remote on/off logic) Ion/off at Von/off=0.0V 0.3 mA ON/OFF Current (for both remote on/off logic) Ion/off at Von/off=2V 10 uA Leakage Current (for both remote on/off logic) Logic High, Von/off=15V 50 uA Pout max rated power Output Voltage Trim Range -20 10 % Output Voltage Remote Sense Range Pout max rated power 10 % Output Over-Voltage Protection Over full temp range % of nominal Vout 130 % GENERAL SPECIFICATIONS MTBF Io=75% of Io, max Ta=25C, airflow rate=400FLM 4.79 M hours Weight Open frame 28 grams Weight With heat-spreader 38 grams Refer to Figure 20 for Hot spot 1 location Over-Temperature Shutdown ( Without heat spreader) 125 C (48Vin,80% Io, 200LFM,Airflow from Vin+ to Vin-) Refer to Figure 22 for Hot spot 2 location Over-Temperature Shutdown (With heat spreader) 115 C (48Vin,80% Io, 200LFM,Airflow from Vin+ to Vin-) Over-Temperature Shutdown ( NTC resistor ) Refer to Figure 20 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. DS E48SP3R340 04032014 2