Evaluation Board for 10W Single Output Power Supplies

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iW1818-EVAL Evaluation Board for 10W Single Output Power Supplies 

The iW1818-EVAL evaluation board provides a solution for development of 10W single output power supplies for white goods, home appliances, industrial control equipment and network devices. 

It uses Dialog’s iW1818 AccuSwitch™ digital off-line power supply controller IC and supplies a 5V: 2A regulated output using a primary-side controlled, quasi-resonant flyback converter. 

The iW1818 PrimAccurate™ primary-side control IC eliminates the need for optocouplers and integrates an 800V power BJT along with Dialog’s advanced digital control and EZ-EMI® technologies to enable high efficiency power supplies with exceptional EMI performance, high reliability and a low overall BOM cost.

IW1818 webfront


  • Uses iW1818 AccuSwitch™ digital power supply controller IC
    • Low BOM cost – integrated 800V power BJT
    • PrimAccurate™ primary-side control – eliminates optocoupler
    • Tight regulation of output voltage and current
    • Supports up to 6,000µF capacitive loads


  • Output: 5V: 2A
  • Active mode efficiency > 80%
  • < 50mW no-load power consumption
  • Uses standard Wurth Electronics Midcom transformer 750343107
  • Excellent EMI performance with minimal EMI filtering components


Power Supplies for:

  • White Goods
  • Home Appliances
  • Industrial Control Equipment
  • Network Devices

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