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The RT8131B is a high efficiency single phase synchronous Buck DC-DC controller with 5V supply voltage. <p align="justify">The RT8131B has embedded MOSFET gate driver with high driving capability, supporting driving voltage up to 5V. This device uses lossless low-side MOSFET R<sub>DS(ON)</sub> current sense technique for over-current protection with adjustable threshold set by the LGATE pin (LGOCS). Other features include power good indication, enable/disable control and internal soft-start. The RT8131B also provides fault protection functions to protect the power stage output. With above functions, the IC provides customers a cost-effective solution for high efficiency power conversion. The RT8131B is available in the WDFN-10L 3x3 package.</p>
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  • 轻载效率高
  • 单5V驱动器电压
  • 内嵌高驱动能力N-MOSFET栅极驱动器
  • 内部300kHz固定频率震荡器
  • 最大88% PWM 责任周期
  • 电源良好指示
  • 使能/禁止控制
  • 内置软启动
  • 采用无损低侧MOSFET RDS(ON)电流检测技术的过电流故障监控
  • LGATE过流设定 (LGOCS)
  • OCP, UVP, OVP, OTP, UVLO
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主板内存/芯片组电源 显卡 GPU/RAM 电源 低压、大电流 DC-DC 调节器
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