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DER-1035Q - 70 W Power Supply Replacing 12 V Battery in 400 V BEV Systems Using InnoSwitch3-AQ (1700 V SiC Switch)

70 W flyback power supply for 400 V DC BEV automotive applications as a replacement for the 12 V lead-acid auxiliary battery, using InnoSwitch3-AQ with 1700 V SiC switch

  • Ultra-compact design, 30 mm low profile, only 66 components with a single 1700 V power switch
  • Full load operation from 190 VDC to 450 VDC input, 14 V / 5 A output
  • Reinforced 450 V isolated transformer (IEC-60664-1 and IEC-60664-4 compliant)
  • ≥94% full load efficiency across the input voltage range
  • Ambient operating temperature from -40 °C to 85 °C
  • Uses automotive-qualified AEC-Q surface mounted components
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