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  • 參數(shù)資料
    型號: TPS40077PWPRG4
    廠商: TEXAS INSTRUMENTS INC
    元件分類: 穩(wěn)壓器
    英文描述: 2 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO16
    封裝: GREEN, PLASTIC, HTSSOP-16
    文件頁數(shù): 16/43頁
    文件大小: 847K
    代理商: TPS40077PWPRG4
    APPLICATION 1: BUCK REGULATOR 8-V TO 16-V INPUT, 1.8-V OUTPUT AT 10 A
    www.ti.com ..................................................................................................................................................... SLUS714D – JANUARY 2007 – REVISED APRIL 2009
    Table 3. Specifications
    PARAMETER
    NOTES AND CONDITIONS
    MIN
    NOM
    MAX
    UNITS
    INPUT CHARACTERSTICS
    VIN
    Input voltage
    8
    12
    16
    V
    IIN
    Input current
    VIN = NOM, IOUT = MAX
    1.8
    2
    A
    No-load input current
    VIN = NOM, IOUT = 0 A
    62.6
    3.6
    mA
    VIN_UVLO
    Input UVLO
    IOUT = MIN to MAX
    5.4
    6
    6.6
    V
    VIN_ONV
    Input ONV
    IOUT = MIN to MAX
    6.3
    7
    7.7
    V
    OUTPUT CHARACTERSTICS
    VOUT
    Output voltage
    VIN = NOM, IOUT = NOM
    1.75
    1.8
    1.85
    V
    Line regulation(1)
    VIN = MIN to MAX, IOUT = NOM
    0.5%
    Load regulation(1)
    VIN = NOM, IOUT = MIN to MAX
    0.5%
    VOUT_ripple
    Output voltage ripple
    VIN = NOM, IOUT = MAX
    100
    mVpp
    IOUT
    Output current
    VIN = MIN to MAX
    0
    5
    10
    A
    Output overcurrent
    IOCP
    VIN = NOM, VOUT = VOUT – 5%
    12.25
    19.4
    34
    A
    inception point
    VOVP
    Output OVP
    IOUT = MIN to MAX
    NA
    Transient response
    ΔI
    Load step
    IOUT_Max to 0.2 × IOUT _Max
    8
    A
    Load slew rate
    10
    A/
    s
    Overshoot
    200
    mV
    Settling time
    1
    ms
    SYSTEM CHARACTERSTICS
    fSW
    Switching frequency
    240
    300
    360
    kHz
    η
    pk
    Peak efficiency
    VIN = NOM, IOUT = MIN to MAX
    90%
    η
    Full-load efficiency
    VIN = NOM, IOUT = MAX
    90%
    Operating temperature
    Top
    VIN = MIN to MAX, IOUT = MIN to MAX
    –40
    25
    85
    °C
    range
    MECHANICAL CHARACTERSTICS
    2
    Inches
    L
    Width
    5.08
    cm
    3
    Inches
    W
    Length
    7.62
    cm
    0.41
    Inch
    h
    Component height
    1.04
    cm
    (1)
    Voltage accuracy is dependent on resistor tolerance and reference accuracy. Line and load regulation are calculated with respect to the
    actual set point voltage.
    Copyright 2007–2009, Texas Instruments Incorporated
    23
    Product Folder Link(s) :TPS40077
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