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  • 參數(shù)資料
    型號(hào): TPS62261DRV
    廠商: TEXAS INSTRUMENTS INC
    元件分類: 穩(wěn)壓器
    英文描述: 1.2 A SWITCHING REGULATOR, 2500 kHz SWITCHING FREQ-MAX, PDSO6
    封裝: 2 X 2 MM, 0.80 MM HEIGHT, PLASTIC, SON-6
    文件頁數(shù): 27/32頁
    文件大?。?/td> 1304K
    代理商: TPS62261DRV
    www.ti.com
    PIN ASSIGNMENTS
    V
    IN
    GND
    EN
    SW
    FB
    1
    2
    3
    5
    4
    DDCPACKAGE
    (TOP VIEW)
    DRV PACKAGE
    (TOPVIEW)
    MODE
    FB
    GND
    SW
    EN
    VIN
    1
    2
    3
    6
    5
    4
    r
    Po
    w
    e
    P
    A
    D
    FUNCTIONAL BLOCK DIAGRAM
    Zero-Pole
    AMP.
    Integrator
    Error Amp .
    PFMComp.
    +1% Voltagepositioning
    PWM
    Comp.
    VREF
    Control
    Stage
    GateDriver
    Anti
    Shoot-Through
    Current
    LimitComparator
    Current
    LimitComparator
    VREF +1%
    FB
    VIN
    GND
    MODE
    2.25 MHz
    Oscillator
    SW1
    EN
    VIN
    Softstart
    VOUT RAMP
    CONTROL
    Thermal
    Shutdown
    Reference
    0.6VVREF
    Undervoltage
    Lockout 1.8V
    Limit
    HighSide
    Limit
    LowSide
    Sawtooth
    Generator
    Int. Resistor
    Network
    FB
    R
    I3
    RI 1
    RI..N
    Mode
    Onlyin 2x2SON
    GND
    SLVS763B – JUNE 2007 – REVISED FEBRUARY 2008
    TERMINAL FUNCTIONS
    TERMINAL
    NO.
    I/O
    DESCRIPTION
    NO.
    NAME
    SON
    TSOT23-5
    2x2-6
    VIN
    5
    1
    PWR
    VIN power supply pin.
    GND
    6
    2
    PWR
    GND supply pin
    This is the enable pin of the device. Pulling this pin to low forces the device into shutdown
    EN
    4
    3
    I
    mode. Pulling this pin to high enables the device. This pin must be terminated.
    This is the switch pin and is connected to the internal MOSFET switches. Connect the
    SW
    1
    5
    OUT
    external inductor between this terminal and the output capacitor.
    Feedback Pin for the internal regulation loop. Connect the external resistor divider to this pin.
    FB
    3
    4
    I
    In case of fixed output voltage option, connect this pin directly to the output capacitor
    This pin is only available at SON package option. MODE pin = high forces the device to
    MODE
    2
    I
    operate in fixed frequency PWM mode. MODE pin = low enables the Power Save Mode with
    automatic transition from PFM mode to fixed frequency PWM mode.
    4
    Copyright 2007–2008, Texas Instruments Incorporated
    Product Folder Link(s): TPS62260 TPS62261 TPS62262 TPS62263
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    相關(guān)代理商/技術(shù)參數(shù)
    參數(shù)描述
    TPS62261DRVR 功能描述:直流/直流開關(guān)調(diào)節(jié)器 2.25MHz 600mA Step- Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
    TPS62261DRVRG4 功能描述:直流/直流開關(guān)調(diào)節(jié)器 2.25MHz 600mA Step- Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
    TPS62261DRVT 功能描述:直流/直流開關(guān)調(diào)節(jié)器 2.25MHz 600mA Step- Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
    TPS62261DRVTG4 功能描述:直流/直流開關(guān)調(diào)節(jié)器 2.25MHz 600mA Step- Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
    TPS62261TDRVRQ1 功能描述:直流/直流開關(guān)調(diào)節(jié)器 2.25MHz 600mA Step- Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
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