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The RT8130C is a high efficiency single phase synchronous Buck DC/DC controller with 5V/12V supply voltage. The IC features Green Voltage Mode (GVM<sup>TM</sup>) control, which is specifically designed to improve converter efficiency at light load condition. At light load condition, the IC automatically operates in the diode emulation mode with constant on-time PFM to reduce switching frequency so as to improve conversion efficiency. As the load current increases, the RT8130C leaves the Diode Emulation Mode (DEM) and operates in the continuous conduction mode with fixed frequency PWM. <p align="justify">The RT8130C has embedded MOSFET gate driver with high driving capability, supporting driving voltage up to 12V for high output current application. 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 RT8130C 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 RT8130C is available in the WDFN-10L 3x3 package.</p>
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  • 节能电压模式 Green Voltage Mode (GVM™) 控制架构
  • 轻载效率高
  • 5V至12V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
  • 自我调整零电流检测
  • 内置软启动
  • 采用无损低侧MOSFET RDS(ON)电流检测技术的过电流保护
  • LGATE过电流设定(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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