E48SC12025 300W DC/DC Power Modules FEATURES Input voltage range: 36V~75V Output voltage range ( trim and PMBUS) 8V~13.2V High efficiency : 95.0% - 48Vin/25A Size: 58.4mm x 22.8mm x 11.0mm (2.3 x 0.9 x 0.43)(W/O heat-spreader) 58.4mm x 22.8mm x 12.7mm (2.3 x 0.9 x 0.5)(with heat-spreader) Industry standard DOSA compliant pin out Fully protected: Input UVLO, Output OCP and OVP, OTP 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) Recognized Delphi Series E48SC12025, Eighth Brick Family DC/DC Power Modules: 36~75Vin, 12Vout, 300W OPTIONS Positive or Negative On/Off logic The Delphi series E48SC12025, eighth brick, 36~75V input, Open Frame / With heat-spreader option single output 12V, are full digital control DC/DC converter, and are Digital PMBus interface option the latest offering from a world leader in power system and technology and manufacturing Delta Electronics, Inc. This product provides up to 300 watts of power at 36~75V input in an industry standard, DOSA compliant footprint and pin out. The E48SC12025 offers more than 95.0% high efficiency at 48V input, APPLICATIONS 12V output and 25A load. There is a built-in digital PWM controller Datacom / Networking in the E48SC12025 series, which is used to complete the Vo Wireless Networks feedback, PWM signal generation, fault protection, output voltage Optical Network Equipment trim, on/off control and PMBUS communications, and so on. With Server and Data Storage the digital control, many design and application flexibility, advanced Industrial / Testing Equipment performance, and reliability are obtained. Datasheet E-mail: dcdc deltaww.com DS E48SC12025 06082017 TECHNICAL SPECIFICATIONS PARAMETER NOTES and CONDITIONS E48SC12025 Min. Typ. Max. Units ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous 0 75 Vdc Transient (100ms) 100ms 100 Vdc 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 35 Vdc (Adjustable via PMBus, VIN OFF) Lockout Hysteresis Voltage 2 Vdc Maximum Input Current 25A Load, 36Vin 10 A No-Load Input Current Vin=48V 60 120 mA Off Converter Input Current Vin=48V 10 30 mA Input Capacitance 100 uF 2 Inrush Current (I t) 1 A2S Input Reflected-Ripple Current P-P thru 12H inductor, 5Hz to 20MHz 25 mA Input Voltage Ripple Rejection 120Hz 50 dB OUTPUT CHARACTERISTICS 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 48 mV Over Load Vin=36V to 75V, Io=Io,min to Io,max 48 mV Over tempearture Vin=36V to 75V, Io=100% load, Ta= -40C to 85C 108 mV Trim and PMBUS,Vin=36V to 75V, Pout max rated power, Total output voltage Range 8.00 13.20 Vdc Io Io.max Output Over-Voltage Lockout 15.2 Vdc (Adjustable via PMBus, VOUT OV FAULT LIMIT) Output Capacitance 0 10000 F Output Voltage Ripple and Noise Vin=48V, Full load, 20MHz bandwidth Co= 220uF/16V (polymer ) + 10u/16V (Tantalum Capacitor) Peak-to-Peak 90 mV +1u/16V (Ceramic ) Co= 220uF/16V (polymer ) + 10u/16V (Tantalum Capacitor) RMS 40 mV +1u/16V (Ceramic ) Operating Output Current Range Vin=36V to 75V 0 25 A Output Over Current Protection(hiccup mode) Output Voltage 10% Low 27.5 32 35 A DYNAMIC CHARACTERISTICS Vin=48V, Load Slew rate 0.1A/s with a 1uF ceramic , Output Voltage Current Transient a 10uF tantalum, and a 220uF polymer capacitor Positive Step Change in Output Current 50% Io.max to 75% Io.max 300 mV Negative Step Change in Output Current 75% Io.max to 50% Io.max -300 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 40 ms Start-Up Time, From Input From Input to 90%Vo final value 55 ms Output voltage Rise Time From 10%Vo final value to 90%Vo final value 20 ms EFFICIENCY 100% Load Vin=36V 95.0 % 100% Load Vin=48V 95.0 % 60% Load Vin=48V 95.7 % ISOLATION CHARACTERISTICS Input to Output 1500 Vdc Isolation Resistance 10 M Isolation Capacitance 6900 pF FEATURE CHARACTERISTICS Switching Frequency 168 175 182 KHz ON/OFF Control, Remote On/Off logic Default Negative logic Logic Low (Module On) Von/off at Ion/off=1.0mA 0 0.8 V Logic High (Module Off) Von/off at Ion/off=0.0 A 4.0 9 V ON/OFF Current (for both remote on/off logic) Ion/off at Von/off=0.0V 0.5 mA GENERAL SPECIFICATIONS Io=80% of Io max Ta=25C Airflow=300LFM 2.3 M MTBF Weight Without heat-spreader 32.6 ghroaumrss Weight With heat-spreader 40.4 grams Refer to Figure 20 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 22 for Hot spot 2 location Over-Temperature Shutdown (With heat spreader) 112 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. And the OTP is Adjustable via PMBus. DS E48SC12025 06082017 E-mail: dcdc deltaww.com