DC-Transformer 729-57-SD

Converter can be used in various applications

Key figures

  • ultrawide input voltage range: 12 ... 16 VDC
  • very high efficiency: up to 95%
  • peak input voltage: 18 VDC
  • output voltage / max. output current: 57.0 VDC / 8.4 ADC


DC-DC-Converter for automotive applications with E13-certification. Galvanically isolated Li-Ion DC-DC battery charger for the primary side optimized 13.8V input of a generator. The output voltage is 57VDC and is preset. The output voltage can be customized in a wide range (e.g. from 27V to 90V). The U/I characteristic can also be customized.


  • isolated step up and step down converter
  • very low input ripple and noise
  • continous no load and short circuit proof
  • for ambient temperatures of -40°C up to +85°C
  • thermal shutdown at +90°C
  • for active loads, can be connected in parallel
  • integrated EMI input and output filter
  • no derating of power
  • heatsinking metal case
  • robust design
  • unipolar output voltage
  • galvanic isolation