• 參數(shù)資料
    型號: LP8345ILDX-3.3
    廠商: NATIONAL SEMICONDUCTOR CORP
    元件分類: 基準電壓源/電流源
    英文描述: Low Dropout, Low IQ, 500mA CMOS Linear Regulator
    中文描述: 3.3 V FIXED POSITIVE LDO REGULATOR, 0.5 V DROPOUT, DSO6
    封裝: LLP-6
    文件頁數(shù): 5/13頁
    文件大小: 283K
    代理商: LP8345ILDX-3.3
    LP8345C Electrical Characteristics
    (Continued)
    Unless otherwise specified all limits guaranteed for V
    = V
    O
    + 1V, C
    IN
    = C
    OUT
    = 10μF, T
    J
    = 25C.
    Boldface
    limits apply over
    the full operating temperature range of T
    J
    = 0C to 125C
    Symbol
    Parameter
    Conditions
    Min
    (Note 5)
    Typ
    (Note 4)
    450
    1200
    55
    Max
    (Note 5)
    Units
    I
    LIMIT
    Foldback Current Limit
    V
    IN
    V
    OUT
    >
    5V
    V
    IN
    V
    OUT
    <
    4V
    V
    IN
    (dc) = V
    OUT
    + 2V
    V
    IN
    (ac) = 1V
    P-P
    @
    120Hz
    mA
    Ripple Rejection Ratio
    48
    dB
    T
    SD
    Thermal Shutdown
    Temp.
    Thermal Shutdown Hyst.
    ADJ Input Leakage
    Current
    V
    OUT
    Leakage Current
    160
    10
    ±
    0.01
    C
    V
    ADJ
    = 1.5V or 0V
    ±
    100
    nA
    LP8345-ADJ
    ADJ = OUT, V
    OUT
    = 2V, V
    IN
    = 10V
    LP8345-1.8, V
    OUT
    = 2.5V, V
    IN
    = 10V
    LP8345-2.5, V
    OUT
    = 3.5V, V
    IN
    = 10V
    LP8345-3.3, V
    OUT
    = 4V, V
    IN
    = 10V
    LP8345-5.0, V
    OUT
    = 6V, V
    IN
    = 10V
    10Hz to 10kHz, R
    L
    = 1k
    , C
    OUT
    = 10μF
    10
    10
    10
    10
    10
    μA
    e
    n
    Output Noise
    250
    μVrms
    LP8345I Electrical Characteristics
    Unless otherwise specified all limits guaranteed for V
    IN
    = V
    O
    + 1V, C
    IN
    = C
    OUT
    = 10μF, T
    J
    = 25C.
    Boldface
    limits apply over
    the full operating temperature range of T
    J
    = 40C to 125C
    Symbol
    Parameter
    Conditions
    Min
    (Note 5)
    2.7
    Typ
    (Note 4)
    Max
    (Note 5)
    10
    10
    Units
    V
    IN
    Input Voltage
    LP8345-ADJ,1.8, 2.5
    LP8345-3.3, 5.0
    LP8345-ADJ, ADJ = OUT
    I
    OUT
    = 10mA, V
    IN
    = 2.7V, T
    J
    = 25C
    100μA
    I
    OUT
    500mA, 2.7V
    V
    IN
    V
    OUT
    +4V
    LP8345-1.8
    I
    OUT
    = 10mA, V
    IN
    = 2.8V, T
    J
    = 25C
    100μA
    I
    OUT
    500mA, 2.8V
    V
    IN
    6V
    LP8345-2.5
    I
    OUT
    = 10mA, V
    IN
    = 3.5V, T
    J
    = 25C
    100μA
    I
    OUT
    500mA, 3.5V
    V
    IN
    6.5V
    LP8345-3.3
    I
    OUT
    = 10mA, V
    IN
    = 4.3V T
    J
    = 25C
    100μA
    I
    OUT
    500mA, 4.3V
    V
    IN
    7.5V
    LP8345-5.0
    I
    OUT
    = 10mA, V
    IN
    = 6V, T
    J
    = 25C
    100μA
    I
    OUT
    500mA, 6V
    V
    IN
    9V
    LP8345-ADJ, ADJ=OUT
    I
    OUT
    = 1mA to 500mA, V
    IN
    = 2.7V
    LP8345-1.8
    I
    OUT
    = 1mA to 500mA, V
    IN
    = 2.8V
    LP8345-2.5
    I
    OUT
    = 1mA to 500mA, V
    IN
    = 3.5V
    LP8345-3.3
    I
    OUT
    = 1mA to 500mA, V
    IN
    = 4.3V
    LP8345-5.0
    I
    OUT
    = 1mA to 500mA, V
    IN
    = 6V
    V
    V
    OUT
    Output Voltage
    1.231
    1.213
    1.250
    1.269
    1.288
    V
    1.773
    1.746
    1.800
    1.827
    1.854
    V
    2.463
    2.425
    2.500
    2.538
    2.575
    V
    3.250
    3.201
    3.300
    3.350
    3.399
    V
    4.925
    4.850
    5.000
    5.075
    5.150
    V
    V
    O
    Load Regulation
    6
    20
    mV
    7
    20
    9
    30
    12
    35
    14
    40
    L
    www.national.com
    5
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