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升降压芯片

RY9120

    The RY9120 is a high frequency, synchronous, rectified, step-down, switch-mode converter with internal power MOSFETs. It offers a very compact solution to provide a 2A continuous output current over a wide input supply range, with excellent load and line regulation. ECOT control operation provides very fast transient response and easy loop design as well as very tight output regulation.

    The RY9120 requires a minimal number of readily available, external components and is available in a space saving SOT23-6 package.
    RY9120 General Description:
        The RY9120 is a high frequency, synchronous, rectified, step-down, switch-mode converter with internal power MOSFETs. It offers a very compact solution to provide a 2A continuous output current over a wide input supply range, with excellent load and line regulation. ECOT control operation provides very fast transient response and easy loop design as well as very tight output regulation.
        The RY9120 requires a minimal number of readily available, external components and is available in a space saving SOT23-6 package.

    RY9120 Features:
    Wide 4.5V to 17V Operating Input Range
    2A Continuous Output Current
    500KHz Switching Frequency
    ECOT Mode Control with Fast Transient Response
    Built-in Over Current Limit
    Built-in Over Voltage Protection
    PFM Mode for High Efficiency in Light Load
    Internal Soft-Start
    110mΩ/70mΩ Low R DS(ON) Internal Power MOSFETs
    Output Adjustable from 0.6V
    No Schottky Diode Required
    Short Protection with Hiccup-Mode
    Integrated internal compensation
    Thermal Shutdown
    Available in SOT23-6 Package
    -40°C to +85°C Temperature Range

    RY9120 Applications:
    Digital Set-top Box (STB)
    Tablet Personal Computer (Pad)
    Flat-Panel Television and Monitor
    Wi-Fi Router / AP
    Digital Video Recorder (DVR)
    Portable Media Player (PMP)
    Cable Modem / XDSL
    General Purposes

    RY9120 Typical Application Circuit:


    RY9120 Pin Description:
    RY9120 Pin Configuration:

    RY9120O Order Information:
    Marking
    Part No.
    Model
    Description
    Package
    T/R Qty
    CCYLL
    70301120
    RY9120
    RY9120 ECOT Buck, 4.5-17V, 2A,
    500KHz, VFB 0.6V, SOT23-6
    SOT23-6
    3000PCS


    RY9120O Functional Block Diagram:



    RY9120O Package Description

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