Isolated DC/DC Converters 75W 180-450Vin 5Vout 15A

Description of product


Cincon CQB75-300S Isolated DC-DC Converters offer efficiency up to 90% and 75W of output power at a single-output voltage range of 5V to 48V. The CQB75-300 series features an optional heat sink to extend the full power range of the unit. The DC-DC converters are fully protected against input undervoltage lockout (UVLO), output overcurrent, output overvoltage, overtemperature, and continuous short circuit conditions. Cincon CQB75-300S DC-DC converters offer a fixed switching frequency and are capable of operating up to an altitude of 3000m. These converters operate at a  -40°C to +105°C temperature range and 180V to 450V supply voltage range. 


  • Efficiency up to 90%
  • Fixed switching frequency
  • Regulated outputs
  • Remote on/off
  • Low no-load power consumption
  • Fully protected (OTP/OCP/OVP/UVLO)
  • 3000VAC I/O isolation
  • Quarter-brick size meets industrial-standard size (2.28” x 1.45” x 0.5”)
  • Safety meets IEC/EN/UL 62368-1 2nd (reinforced insulation)
  • Shock and vibration MIL-STD 810F compliant
  • Fire and smoke EN45545 compliant
  • 3000m operating altitude