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IW1676.

IW1676.

PrimAccurate™ Off-Line Digital PWM Controller in a SOT-23 Package

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<30MW备用电源

The iW1676 is a high performance AC/DC controller designed to drive a low-cost BJT power switch in peak current mode PWM flyback power supplies up to 5W. Ideal for power adapters for smartphones, the iW1676 integrates Dialog’sPrimAccurate™digital primary-side control, eliminating the need for the secondary-side optocoupler, reducing component count and solution cost.

IW1676轻松符合美国DOE的外部电源标准和欧盟的行为准则，5版，2层标准，无负载功耗小于30mW。其他功能包括对话框的专有EZ-EMI™technology, quasi-resonant control for optimal efficiency at heavy loads, cable and connector voltage drop compensation options, full protection from fault conditions and tiny packaging.

Features

  • 轻松符合DOE外部电源和欧盟行为准则，版本5，第2层标准
    • Less than 30mW No-Load Power Consumption
  • 低1.7UA启动电流
  • 64kHz PWM Switching Frequency
  • 电压偏移补偿电缆和连接器中的电压损耗（4个选项）
  • PrimAccurate™ - 初级侧控制，不需要光电耦合器
  • Intrinsically Low Noise Solution - No Audible Noise Over Entire Operating Range

Features

  • 准谐振控制以获得最佳效率
  • EZ-EMI™设计可轻松满足全球EMI规范
  • 快速动态负载调节
  • 微小的SOT-23-5包装
  • Fully Protected from Fault Conditions
    • Over-Temperature Protection
    • 输出过电压和过电流
    • Input Undervoltage Protection
    • Sense-Resistor Short Circuit Protection

雷竞技安卓下载

  • 便携式电子产品的电源适配器
  • Consumer Electronics Power Supplies
  • 线性AC / DC电源更换

框图

Typical Applications Diagram
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功能框图

Resources

Datasheets
Date 版本
IW1676.Datasheet 12/02/2020 Rev. 1.7.
白皮书和技术文章
Date 版本
什么是数字电力白皮书

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