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超低功率转换器的控制方案消除开关噪声

  • 资源大小:356 KB
  • 上传时间:2021-10-17
  • 下载次数:0次
  • 浏览次数:38次
  • 资源积分:1积分
  • 标      签: 功率转换器 开关噪声

资 源 简 介

An essential component of a noise-free audio device isa clean power supply, but few switching regulators canoperate at high efficiency while keeping the switchingfrequency out of the audio band. The LTC®3620 fills thisvoid. It is a high efficiency 15mA buck regulator with aprogrammable minimum switching frequency, making itpossible to virtually eliminate audible switching noise. Theinternal synchronous switches and low quiescent currentof this buck regulator provide the ability to maintain highefficiency, while its small footprint makes it ideal for tiny,low power audio applications.
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