Evaluation Board for 15W Dual Output Power Supplies

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Evaluation Board for 15W Dual Output Power Supplies

The iW1830-EVAL evaluation board provides a solution for development of 15W dual output power supplies for white goods, home appliances, industrial control equipment and network devices.

It uses Dialog’s iW1830 AccuSwitch™ digital off-line power supply controller IC and supplies two outputs, 12V: 1A and 5V: 0.5A, using a single primary-side controlled quasi-resonant flyback converter. Dialog’s PrimAccurate™ primary-side control in the iW1830 IC helps achieve the tight output voltage cross-regulation required by high-reliability applications, such as dishwashers, refrigerators, cooking ranges, microwaves and other multi-rail supplies, without the need for a secondary-side regulator or failure-prone optocouplers.

The iW1830 control IC eliminates the need for optocouplers and integrates a 700V power MOSFET 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.

IW1830 webfront


  • Uses iW1830 AccuSwitch™ digital power supply controller IC
    • Low BOM cost – integrated 700V power MOSFET
    • PrimAccurate™ primary-side control – eliminates optocoupler
    • Tight regulation of output voltage and current
    • Supports up to 6,000µF capacitive loads


  • Dual Output: 12V:1.0A and 5V: 0.5A
  • Active mode efficiency > 84%
  • < 100mW no-load power consumption
  • Uses standard Wurth Electronics Midcom transformer 750343108
  • Excellent EMI performance with minimal EMI filtering components


Power Supplies for:

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

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