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  • APW8871 : DDR4 TOTAL POWER SOLUTION (VPP/VDDQ/VTT) SYNCHRONOUS DC/DC CONVERTER for NB/MB
  • Feature

    Provide 4 Independent Outputs for VPP, VDDQ, VTT LDO
    and VTTREF LDO

    VDDQ Converter

    ·High Input Voltages Range from 4.5V to 25V Input Power?Provide 1.2V (DDR4) or Adjustable Output Voltage Max to 1.8V by SMBus Control
          - +1% Accuracy over Temperature
    ·Integrated High_Side N-Channel MOSFET 20mW and Low_Side N-Channel MOSFET 7mW@ VCC=5V
    ·Integrated Bootstrap Forward P-CH MOSFET
    ·Built in Internal Soft-Start: 0.6ms(typ.) and Soft-Stop Functions for PWM Output
    ·Built In Automatic PFM/PWM Mode Selection
    ·Programmable Switching Frequency
    ·S3 and S5 Pins Control The Device in S0, S3 or S4/S5 State
    ·Built In PMAX Signal for Total Power Indicator
    ·Power Good Monitoring
    ·60% Under-Voltage Protection (UVP)
    ·125% Over-Voltage Protection (OVP) 

    Application

    · DDR3 and DDR4 Memory Power Supplies
    · NB/MB/Tablet