商品代碼:3559071

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    OB2538昂寶原裝IC特價銷售
    商品代碼: 3559071
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    商品詳細說明

    OB253X Series
    High Precision CC/CV PSR PWM Controller/Power Switch


    OB2535 is a high performance offline PWM Power switch for low power AC/DC charger and adapter applications. It can achieve ±5% precision constant voltage (CV) and high precision constant current (CC). It operates in primary-side sensing and regulation. Consequently, opto-coupler and TL431 could be eliminated.


    Features:

    ◆ ±5% constant voltage regulation at universal AC input
    ◆ Primary-side sensing and regulation without TL431 and opto-coupler
    ◆ Programmable CV and CC regulation
    ◆ Adjustable constant current and output power setting
    ◆ Built-in primary winding inductance compensation
    ◆ Programmable cable dro compensation
    ◆ Power on soft-start
    ◆ Built-in leading edge blanking (LEB)
    ◆ Cycle-by-Cycle current limiting
    ◆ VDD under voltage lockout with hysteresis (UVLO)
    ◆ VDD OVP
    ◆ VDD clamp
    ◆ Available in SOP8 packages, RoHS compliant


    Applications:

    ◆ CC/CV Battery Charger
    Cell/Cordless Phone Charger
    Digital Camera Charger
    PDA Charger
    ◆ Small Power Adapter
    ◆ Auxiliary Power for PC, TV etc.
    ◆ Linear Regulator/RCC Replacement

    Device
    MOSFET Rdson(ohm)
    Package
    Max Pout(W)note
    Max Pout(W)(85~264V)
    Frequency
    OB2531
    External
    SOT23-6
    --
    --
    95kHz
    OB2532
    External
    SOT23-6
    --
    --
    60kHz
    OB2535/E
    12
    SOP8
    10
    5
    60kHz
    OB2536/E
    12
    DIP8
    16
    9
    60kHz
    OB2538/E
    5
    DIP8
    20
    15
    60kHz
    OB2539
    5
    DIP8
    18
    13
    95kHz
    Note: Maximum practical continuous power in an open frame design with sufficient drain pattern as a heat sink, at 50°C ambient, 230Vac input.

    Typical Application:




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