B70SP12440 12.4V Output DC/DC Converter, Box Type Package FEATURES Wide input voltage range, 32~96V 500W Output Full Load Efficiency up to 88% 48Vin and 72Vin Parallel Connection of multiple units Box type package with metal base plate Package Dimension: 198.0x113.0x45.0mm (7.80x4.45x1.77) Operating Temperature Range - 40C to +90C Input Reverse Polarity Protection Input UVLO, Output OCL, Short circuit protection, OVP, OTP Enable on/off 2250VDC Isolation IP67 protection(With fully assembled mating connector) RoHs Compliant ISO 9001, ISO 14001 certified manufacturing facility IEC/EN/UL60950-1, IEC/EN/UL62368-1, CE Mark EMC compatible: EN12895-2015, EN55011, EN61000-3-2, EN61000-3-3, EN55014-2, CISPR11 ClassA The B70SP12440 (A code without parallel function,B code with parallel function), a wide input voltage range of 32~96V, and single isolated output converter, is the latest product offering from a world leader in power systems technology and manufacturing Delta Electronics, Inc. Such box type DCDC converter can provide 500W, 12.4V regulated DC output voltage with full load efficiency up to 88% 72Vin The B70SP12440 offers input UVLO, output over current limit, short circuit, output over voltage, over temperature, and input reverse polarity protections. It has parallel function and allows a wide operating temperature range of 40C to +90C. With creative design technology and optimization of component placement, this converter possess outstanding electrical and thermal performance, as well as high reliability under extremely harsh operating conditions. The B70SP12440 meets IP67 protecion (refer to water protection level specification). INPUT CHARACTERISTICS Item Condition Min. Typ. Max. Unit Continuous Input Voltage 32 48 96 VDC Input Under-Voltage Lockout, Turn-On VDC 29 30 31 Voltage Threshold Input Under-Voltage Lockout, Turn-Off VDC 27 28 29 Voltage Threshold Lockout Hysteresis Voltage 1 2 3 VDC Maximum Input Current Vin=32V, 100% Load 18 19 A Vin=48V 80 mA No-Load Input Current Vin=72V, 80V 40 mA Off converter input current Vin=48V, enable off 6 mA Reflected input ripple current Vin=48V, peak to peak 0.2 A Max Reverse Polarity Input Voltage 96 VDC Max Inrush current 10 A Internal Input Fuse 500V/30A Fast-acting fuse Datasheet E-mail: dcdc deltaww.com DS B70SP12440 04252019 OUTPUT CHARACTERISTICS Item Conditions Min. Typ. Max. Unit For A code 0 40 A Operating Output Current Range For B code 0 42.5 A Io=0 12.4 V for A code Io=40 12.4 V Output Voltage Set Point Io=0 13.25 V for B code Io=42.5 11.65 V Vin=48V, Io=100%, peak to peak, 20MHz bandwidth, Co=1F ceramic, 10F 120 240 mV tantalum Vin=48V, Io=100%, RMS, 20MHz 35 70 mV bandwidth, Co=1F ceramic, 10F tantalum Output Voltage Ripple and Noise, Vin=72V, 80V, Io=100%, peak to peak, 20MHz bandwidth, Co=1F ceramic, 10F 140 280 mV tantalum Vin=72V, 80V, Io=100%,RMS, 20MHz 45 90 mV bandwidth, Co=1F ceramic, 10F tantalum Output Current Limit 50 A Current share accuracy 42.5A for each module, ,only for B code 10 15 % Vin=48V,full load, from Vin=Turn-on Start-up time(start up time by Vin) 650 800 mS Threshold to 10%Vo Vin=48V,full load, from Enable=ON to Start-up time(start up time by Enable) 250 400 mS 10%Vo Rise time From 10%Vo to 90%Vo 160 300 mS Output Voltage Protection 17 V Positive voltage step, 50% to 75% load 250 500 mV dynamic, 0.1A/us slew rate Output Voltage Current Transient Nagetive voltage step, 50% to 75% load 250 500 mV dynamic, 0.1A/us slew rate Maximum Output Capacitance 10000 F Output overshoot 3 % Efficiency 100% Load Vin=48V 88.2 % Efficiency 100% Load Vin=72V 88 % Efficiency 60% Load Vin=48V 89 % Efficiency 60% Load Vin=72V 88.5 % GENERAL CHARACTERISTICS Item Conditions Min. Typ. Max. Unit Input to Output, Input to Case 2250 VDC Isolation Voltage, Ouput to Case 550 VDC Isolation Resistance, Input to Output 10 M Isolation Capacitance, Input to Output 5000 pF Switching Frequency 175 KHz Baseplate 40C, include Aluminum Operating life 131400 Hours capacitor MTBF 72Vin, Baseplate 85C 121450 Hours Weight 1300 g Datasheet E-mail: dcdc deltaww.com DS B70SP12440 04252019