非隔离降压DC-DC转换器

此参考设计提供了多个非隔离降压DC-DC转换器电源的设计指南、数据和其他内容。多种电源针对各种输出、负载和电路板安装区域进行了优化。

非隔离降压DC-DC转换器的外观图片
非隔离降压DC-DC转换器的简易方框图

特点

  • 具有同步整流的非隔离降压DC-DC转换器
  • 8种不同输出电压和输出功率的电源电路设计
  • 每个电源电路设计有3种变化

说明

输入电压 DC 12V
输出电压/电流 5V/5A、5V/8A、5V/12A、3.3V/10A、3.3V/13.3A、3.3V/18.2A、1.5V/10A、1.05V/10A
优化 每种设计都针对50%负载和100%负载以及小尺寸时的效率进行了优化
设计变化 24
非隔离降压DC-DC转换器的效率曲线
效率曲线

设计文档

我们向设计人员提供电路操作概要和设计要点说明等资料。请单击每个选项卡,将其用于电路设计。

设计数据

我们提供可加载到EDA工具中的电路数据、PCB布局数据以及PCB制造中使用的数据。多个工具供应商为您提供了多种格式。您可以使用您的工具进行自由编辑。

*1:实际PCB在CR5000BD上设计。其他文件由CR5000BD文件生成。

*2:数据在CR5000BD上生成。

东芝产品

器件型号 器件目录 搭载部位・数量 说明
功率MOSFET(N沟道单VDSS≤30V) 高边 N沟道MOSFET,30V,0.0032Ω@10V,SOP Advance,U-MOSⅧ-H
功率MOSFET(N沟道单VDSS≤30V) 高边 N沟道MOSFET,30V,0.004Ω@10V,SOP Advance,U-MOSⅧ-H
功率MOSFET(N沟道单VDSS≤30V) 高边/低边 N沟道MOSFET,30V,0.0089Ω@10V,SOP Advance,U-MOSⅧ-H
功率MOSFET(N沟道单VDSS≤30V) 高边/低边 N沟道MOSFET,30V,0.011Ω@10V,SOP Advance,U-MOSⅧ-H
功率MOSFET(N沟道单VDSS≤30V) 高边 N沟道MOSFET,30V,0.0043Ω@10V,TSON Advance,U-MOSⅧ-H
功率MOSFET(N沟道单VDSS≤30V) 高边/低边 N沟道MOSFET,30V,0.0089Ω@10V,TSON Advance,U-MOSⅧ-H
功率MOSFET(N沟道单VDSS≤30V) 高边 N沟道MOSFET,30V,0.011Ω@10V,TSON Advance,U-MOSⅧ-H
功率MOSFET(N沟道单VDSS≤30V) 低边 N沟道MOSFET,30V,0.00065Ω@10V,SOP Advance(N),U-MOSⅨ-H
功率MOSFET(N沟道单VDSS≤30V) 低边 N沟道MOSFET,30V,0.00092Ω@10V,SOP Advance(N),U-MOSⅨ-H
功率MOSFET(N沟道单VDSS≤30V) 低边 N沟道MOSFET,30V,0.002Ω@10V,SOP Advance,U-MOSⅨ-H
功率MOSFET(N沟道单VDSS≤30V) 低边 N沟道MOSFET,30V,0.0029Ω@10V,SOP Advance,U-MOSⅨ-H
功率MOSFET(N沟道单VDSS≤30V) 低边 N沟道MOSFET,30V,0.0048Ω@10V,SOP Advance,U-MOSⅨ-H
功率MOSFET(N沟道单VDSS≤30V) 低边 N沟道MOSFET,30V,0.0016Ω@10V,TSON Advance,U-MOSⅨ-H
功率MOSFET(N沟道单VDSS≤30V) 低边 N沟道MOSFET,30V,0.0029Ω@10V,TSON Advance,U-MOSⅨ-H
功率MOSFET(N沟道单VDSS≤30V) 低边 N沟道MOSFET,30V,0.0052Ω@10V,TSON Advance,U-MOSⅨ-H

相关文档

我们提供有助于设计和研究相似电路的参考资料,例如已安装产品的应用说明。请单击每个选项卡使用这些资料。

应用

智能音响
Such as low power consumption and miniaturization are important in designing smart speaker. Toshiba provides information on a wide range of semiconductor products suitable for power supply units, sensor signal input unit, display unit, etc., along with circuit configuration examples.
无线充电器
Such as low power consumption and miniaturization are important in designing wireless charger. Toshiba provides information on a wide range of semiconductor products suitable for power supply unit, inverter circuit unit, etc., along with circuit configuration examples.
平板电脑设备
Such as low power consumption and miniaturization are important in designing tablet device. Toshiba provides information on a wide range of semiconductor products suitable for power supply management units, sensor signal input units, display units, over temperature monitoring unit, etc., along with circuit configuration examples.
无线耳机
Such as low power consumption and miniaturization are important in designing wireless earbuds. Toshiba provides information on a wide range of semiconductor products suitable for power supply/power supply management units, surge/ESD protection circuit units, etc., along with circuit configuration examples.
扫地机器人
Such as high efficiency, low power consumption and miniaturization are important in designing robot cleaner. Toshiba provides information on a wide range of semiconductor products suitable for power supply unit, motor driving units, sensor signal input unit, etc., along with circuit configuration examples.

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