Product Code -

LDE03-20Bxx-O Series is one of Mornsun's compact size power converters. It features universal AC input and at the same time accepts DC input voltage, low power consumption, high efficiency, high reliability and reinforced isolation. It offers good EMC performance and meets CISPR32/EN55032, IEC/EN/UL62368 standards, and they are widely used in industrial, power, instrumentation, communication and civil applications. For extremely harsh EMC environment, we recommend using the application circuit shown in Design Reference of this datasheet.


  • Universal 85-264VAC or 100-370VDC input voltage
  • Operating ambient temperature range: -40¼ to +80¼
  • High I/O isolation test voltage up to 4000VAC
  • Output short circuit, over-current, over-voltage protection, over-temperature protection
  • High efficiency, high reliability
  • Regulated output, low ripple & noise
  • Plastic case meets UL94V-0 flammability
  • EMI performance meets CISPR32 / EN55032 CLASS B
  • Continuous steady output power 3W, transient output power 12W and up to 10S
  • Designed to meet IEC/EN/UL62368 standards (Approval pending)