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  • 參數(shù)資料
    型號(hào): RT9176-33GL
    廠商: Richtek Technology Corporation
    元件分類(lèi): 基準(zhǔn)電壓源/電流源
    英文描述: 5.0 AMP POSITIVE VOLTAGE REGULATOR
    中文描述: 5.0放大器正電壓穩(wěn)壓器
    文件頁(yè)數(shù): 10/13頁(yè)
    文件大?。?/td> 252K
    代理商: RT9176-33GL
    RT9176
    10
    DS9176-11 March 2007
    www.richtek.com
    P
    D
    = (V
    IN
    - V
    OUT
    ) x I
    OUT
    T
    JUNCTION
    = T
    AMBIENT
    + (P
    D
    x
    θ
    JA
    )
    Note: T
    JUNCTION
    must not exceed 125
    °
    C
    Current Limit Protection
    RT9176 is protected against overload conditions. Current
    protection is triggered at typically 1.75A.
    Thermal Consideration
    The RT9176 series contain thermal limiting circuitry
    designed to protect itself from over-temperature conditions.
    Even for normal load conditions, maximum junction
    temperature ratings must not be exceeded. As mention
    in thermal protection section, we need to consider all
    sources of thermal resistance between junction and
    ambient. It includes junction-to-case, case-to-heat-sink
    interface, and heat sink thermal resistance itself.
    Junction-to-case thermal resistance is specified from the
    IC junction to the bottom of the case directly below the
    die. Proper mounting is required to ensure the best
    possible thermal flow from this area of the package to the
    heat sink. The case of all devices in this series is
    electrically connected to the output. Therefore, if the case
    of the device must be electrically isolated, a thermally
    conductive spacer is recommended.
    Thermal Protection
    RT9176 has thermal protection which limits junction
    temperature to 150
    °
    C. However, device functionality is only
    guaranteed to a maximum junction temperatu
    re of +125
    °
    C.
    The power dissipation and junction temperature for RT9176
    are given by
    Figure 6. Best Load Regulation Using Adjustable Output
    Regulator
    VIN
    VOUT
    GND
    RT9176
    R1
    (Connect R1 to VOUT or case)
    R2
    V
    IN
    Connect R2 to load
    R
    L
    R
    Parasitic
    Line Resistance
    相關(guān)PDF資料
    PDF描述
    RT9176-33GM 5.0 AMP POSITIVE VOLTAGE REGULATOR
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