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The RT2776 is a VR12/IMVP7 compliant CPU power controller which includes two channels : a 3/2/1 phase with 3 integrated drivers synchronous Buck controller for the CORE VR, and a single phase Buck controller for the AXG VR. The RT2776 adopts G-NAVP<sup>TM</sup> (Green Native Adaptive Voltage Positioning), which is Richtek's proprietary topology derived from a finite DC gain compensator with current mode control, making it an easy setting PWM controller, meeting all Intel CPU requirements of AVP. Based on the G-NAVP<sup>TM</sup> topology, the RT2776 also features a quick response mechanism for optimizing AVP performance during load transient. The RT2776 supports mode transition function with various operating states. A serial VID (SVID) interface is built in the RT2776 to communicate with Intel VR12/IMVP7 compliant CPU. The RT2776 supports VID on-the-fly function with three different slew rates : Fast, Slow and Decay. By utilizing the G-NAVP<sup>TM</sup> topology, the operating frequency of the RT2776 varies with VID, load and input voltage to further enhance the efficiency even in CCM. The built-in high accuracy DAC converts the SVID code ranging from 0.25V to 1.52V with 5mV per step. The RT2776 integrates a high accuracy ADC for platform setting functions, such as no-load offset or over current level.
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  • 与 VR12/IMVP-7 兼容的电源管理
  • 有用于CORE VR 的 3/2/1 相位和用于AXG VR 的单相位
  • 3个用于CORE VR的内嵌MOSFET 驱动器
  • G-NAVP™ 架构 (Green-Native AVP)
  • 串行 VID 接口
  • 0.5% DAC 准确度
  • 差分的远程电压感测
  • 内建ADC用于平台规划
  • 系统热补偿式AVP
  • 单相轻载时的二极管仿真模式
  • 快速瞬态响应
  • 双轨启动时电压 INITIAL 设定为 1.1V/0.0V
  • 电源准备完成指示器
  • 热节流
  • 电流监控输出
  • 过压保护，欠压保护，过流保护，过热保护，欠压锁定
  • 外部双轨无负载偏移设定
  • 增强DVID
  • 56 引脚 WQFN 封装
  • 符合RoHS标准及不含卤素
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VR12/IMVP7 Intel Core Supply Notebook/ Desktop Computer/ Servers Multi-phase CPU Core Supply AVP Step-Down Converter
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