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  • Date
    News Title
  • APW8869A : DDR2 AND DDR3/DDR3L SYNCHRONOUS BUCK CONTROLLER WITH 1.5A LDO SUPPORT LOW IQ & DROOP
  • Feature

    · Buck Controller (VDDQ)
    · High Input Voltages Range from 6V to 21V Input Power
    · Provide Adjustable Output Voltage from 0.9V to 2V +1%Accuracy over Temperature
    · Integrated MOSFET Drivers and Bootstrap Forward P-CH MOSFET
    · Low Quiescent Current (200mA)
    · Excellent Line and Load Transient Responses
    · PFM Mode for Increased Light Load Efficiency
    · Constant On-Time Controller Scheme
            - Switching Frequency Compensation for PWM Mode
            - Adjustable Switching Frequency from 400kHz to 550kHz in PWM Mode with DC Output Current
    · S3 and S5 Pins Control The Device in S0, S3 or S4/S5 State
    · Power Good Monitoring
    · 70% Under-Voltage Protection (UVP)
    · 125% Over-Voltage Protection (OVP)
    · Adjustable Current-Limit Protection
            - Using Sense Low-Side MOSFETs  RDS(ON)

    Application

    · DDR2, and DDR3/DDR3L Memory Power Supplies
    · SSTL-2 SSTL-18 and HSTL Termination