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The RT3672EE is a synchronous buck controller that supports single output rail and fully meets AMD SVI3 requirements. The RT3672EE adopts G-NAVP<sup>TM</sup> (Green Native AVP), which is Richtek&prime;s proprietary topology derived from finite DC gain of EA amplifier with current mode control, making it easy to set the droop to meet all AMD CPU/GPU requirements of AVP (Adaptive Voltage Positioning). Based on the G-NAVP<sup>TM</sup> topology, the RT3672EE features a new generation of quick response mechanism (Adaptive Quick Response, AQR) to optimize AVP performance during load transient and to reduce output capacitors. The RT3672EE integrates a high accuracy ADC for reporting and a non-volatile memory (NVM) to store custom configurations, such as output current scale, auto phase add/drop threshold, switching frequency, overcurrent threshold or AQR trigger level. It also features full fault protection functions, including overvoltage (OV), undervoltage (UV), overcurrent (OC), undervoltage lockout (UVLO), over-temperature protection (OTP), VR-hot warning, CRC failure and communication failure. The RT3672EE provides enable, power good and temperature sensing. It also supports functions that can be set by the I<sup>2</sup>C interface. The recommended junction temperature is -40&deg;C to 125&deg;C.
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  • AMD SVI3 Rev 1.01 Compatible
  • G-NAVPTM (Green Native Adaptive Voltage Positioning) Topology
  • 0.5% DAC Accuracy
  • Differential Remote Voltage Sensing
  • Built-in ADC for Reporting
  • Accurate Current Balance
  • Diode Emulation Mode (DEM) at Light Load
  • Fast Transient Response: Adaptive Quick Response (AQR), Absolutely Quick Response (ABS_QR)
  • OVP, OCP and UVP with Flag
  • Switching Frequency Setting
  • Auto Phase Add/Drop with DEM for Excellent Efficiency
  • Voltage On-the-Fly (VOTF) Enhancement
  • Acoustic Noise Suppression
  • Zero Load-line
  • Standard I2C Protocol Interface
    ► Internal Non-Volatile Memory (NVM) to Store Custom Configurations
    ► Current Balance Gain Adjustment for Thermal Balance
    ► Dynamic Load-line Setting
    ► Voltage Offset Setting
    ► Fixed VID Setting
    ► Protection Report and Protection Disable
    ► Monitoring for Output Voltage/Output Current/ Temperature
  • Soldering Good Detection
  • Small 48-Lead WQFN Package
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AMD SVI3 VDD_MISC Rail<br />Desktop and Notebook Computer <br />AVP Step-Down Converter
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