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The RT7238B/C/D/E is an advanced constant on-time (ACOT<sup>TM</sup>) mode synchronous step-down converter. The main control loop of RT7238B/C/D/E using an advanced constant on-time (ACOT<sup>TM</sup>) mode control which provides a very fast transient response. The RT7238B/C/D/E operates from 8V to 23V input voltage. For the RT7238D, the output voltage can be adjusted between 0.6V to 5V.
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  • Advanced Constant On-Time (ACOT™) 控制模式
  • 输入电压范围：8V至23V (RT7238B/C/D/E) @8A输出电流
  • ACOT™架构支持MLCC输出电容
  • 固定操作频率：500kHz
  • 高效率内部MOSFET开关
    ►27mΩ高侧和10mΩ低侧
  • 可调输出电压：0.6V至5V (RT7238D)
  • LDO提供固定3.3V (RT7238B/D) 或固定5V (RT7238C/E) 输出以及输出电流为70mA
  • 预偏置软启动
  • 逐周期电流限制
  • 输入欠电压锁定
  • 过温保护
  • 输出过/欠压保护
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工业和商用低功耗系统 计算机接口设备 LCD显示器和电视 节能电器 负载点调节的高性能DSP、FPGA和ASIC
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