概要

The iW1810 is a high-performance AC/DC converter with an integrated 800V power bipolar junction transistor (BJT). Capable of 3.5W maximum output power, the iW1810 operates in a quasi-resonant mode to optimize efficiency and it also incorporates a power-saving mode that enables less than 100mW of power consumption at no load, meeting global energy efficiency standards and making it ideal for applications such as energy standard-compliant home appliances.

The iW1810 also incorporates Renesas' proprietary PrimAccurate™ primary-side digital control algorithms that enable a fully isolated solution without the need for an optocoupler, reducing cost and solution size while greatly improving reliability. Additional functionality includes full protection from over-temperature, overvoltage and overcurrent conditions, as well as EZ-EMI™ design techniques to allow for a solution that easily meets global EMI specifications.

For improved performance, see the iW1812 AccuSwitch™ off-line digital PWM converter page.

iW1810 Functional Block Diagram
iW1810 Typical Applications Diagram
iW1810 Functional Block Diagram
iW1810 Typical Applications Diagram
  • AccuSwitch™ - Integrated 800V BJT
  • 3.5W output power range capable
  • 64kHz PWM switching frequency
  • Meets global energy efficiency standards
    • Less than 100mW no-load power consumption
  • Low 8µA start-up current
  • PrimAccurate™ - Primary-side control, no optocoupler needed
  • Quasi-resonant control for optimal efficiency
  • EZ-EMI® design to easily meet global EMI specifications
  • Fast dynamic load regulation
  • Fully protected from fault conditions
    • Output overvoltage and overcurrent
    • Input undervoltage protection
    • Sense-resistor short circuit protection

アプリケーション

  • Smart meters
  • Motor control
  • Industrial power supplies
  • Home automation and appliances

ドキュメント

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分類 タイトル 日時
データシート
iW1810 Datasheet
PDF 1.12 MB
ホワイトペーパー
What is Digital Power White Paper
PDF 597 KB
2件

設計・開発

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    IW1810-00
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    memory
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