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iW1820

iW1820

15W AccuSwitch™ AC/DC Digital Primary-Side Switcher Eliminates Optocoupler and Maintains Excellent Cross-Regulation Accuracy

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72kHz integrated 800V BJT optimized for 5Vout

IW1820AccuSwitch™数字PWM控制器将高度精确的控制电路与800V BJT电源开关集成，提供完整的外线电源转换的解决方案，在输出功率最高为15W。

对话框primAccurate™初级侧数字控制算法消除了对易于光电耦合器的需求，并确保出色的横向精度，以实现更长的操作寿命，高性能和白色商品应用所需的成本降低。雷竞技安卓下载

The output is designed to smoothly start-up into large capacitors, while maintaining a quick turn-on time. It operates in quasi-resonant mode to optimize efficiency and incorporates a low-power mode that achieves <30mW of no-load power consumption to meet global energy efficiency regulations.

Features

  • 15W输出，优化5VOUT
  • AccuSwitch™集成800V电源BJT
  • primAccurate™原边控制
  • No Optocoupler Needed
  • 智能数字控制回路，用于精确的电压交叉调节
  • 符合全球能效标准
    • <30mW No-Load Power Consumption
    • Quasi-resonant Control for Optimal Efficiency
  • Adaptively Controlled Soft Start-up
  • Fast, Smooth Start-up into Large Capacitive Loads (up to 6,000µF)

Features

  • EZ-EMI®设计
    • Reduces Filtering Requirements
    • Easily Meets Global EMI Specifications
  • 完全免受故障条件的影响
    • Built-In Over-Temperature Protection
    • 输出过电压和过电流保护
    • 感测电阻短路保护
  • Thermally Efficient SO-10 Batwing Package

雷竞技安卓下载

  • Power Adapters/Chargers for Media Tablets, Smartphones, Consumer Electronics
  • AC/DC Power Supplies for Home Appliances, Industrial Electronics

框图

Typical application diagram
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功能框图

Related Links

技术

Link

资源

数据表
日期 Version
iW1820 Datasheet 17/06/2020 Rev. 1.4

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