350DNC40-24-8G

Bel Power Solutions 350DNC40-24 is a 4 kW DC/DC Converter Series that creates DC voltages in hybrid and electric vehicles suitable to power low voltage accessories. Liquid cooled or convection cooled DC/DC converter operates at input voltages from 240 to 430 VDC or 300 to 450 VDC and delivers power range up to 4000 W / 3300 W (liquid / convection cooled model). Features include very high efficiency, high reliability, low output voltage noise, and excellent dynamic response to load/input changes. • Very high efficiency up to 93 % • Input voltage range: 240 – 430 VDC (300 – 450 VDC) • Up to 4 kW power • Full galvanic isolation between input and output • Liquid or convection cooled models available • CAN bus serial interface • Adjustable output voltage • Over temperature, output overvoltage and overcurrent protection, input and output reverse polarity protection • Protection degree IP65 and IP67 • E-Mark approval no.: E13*10R00*10R05*13602*00 • Hybrid and Electric Vehicles 350DNC40-24 SERIES 2 MODEL DESCRIPTION 350DNC40-24-8G Liquid cooled model 350DNC40-24-CG Convection cooled model 300DNC40-24-8S419 Liquid cooled model 350DNC40-CON-KIT-8G Mating connectors kit – Signal connector housing and pins, HV connector assembled with 3 m cable 350DNC40-CON-KIT-9G Mating connectors kit - housing and pins PARAMETER DESCRIPTION / CONDITION MIN 350DNC40-24-8G, 350DNC40-24-CG 300DNC40-24-8S419 350DNC40-24-8G, 350DNC40-24-CG 300DNC40-24-8S419 Input Voltage Input Current Efficiency @ Vin = 350 VDC, Vo = 28 V, Ionom = 143 A Input Line Interruption Converter shutdown 240 300 NOM 350 MAX 430 450 19 16 92 240 300 30 Inrush Current External pre-charging circuit required PARAMETER DESCRIPTION / CONDITION Output Voltage Vo to be trimmed via CAN BUS, 10 bit resolution Output Power ADC VDC µF MIN NOM MAX UNIT 22 28 32 VDC Liquid cooled model Convection cooled model Liquid cooled model Convection cooled model Output Current VDC % 350DNC40-24-8G, 350DNC40-24-CG 300DNC40-24-8S419 Input Capacitance UNIT 143 120 ADC 4000 3300 W Line Regulation Vinmin - Vinmax, @ 60 A, T_coolant = 70°C - 0.10 + 0.10 VDC Load Regulation Iout 10 to 90% load, T_coolant = 70°C - 0.15 + 0.15 VDC Output Voltage Set Point @ 60 A, T_coolant = 25°C 28.1 VDC +0.05 %/°C 460 * 300 * mVp-p +1400 1000 mV μs Thermal Drift Periodic and Random Deviation Transient Response 27.9 28 -0.05 @ 28 VDC / Nominal load (Differential Mode 20 MHz) CAN high / low (Differential Mode 20 MHz) Load step 1: 10 to 50 % and back Load step 2: 50 to 100 % and back Voltage over/under shoot: Response time within 1 % of VoSET: -1400 Turn-on Overshoot Vonom,