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  • 參數(shù)資料
    型號(hào): L4973D3
    廠商: 意法半導(dǎo)體
    元件分類: 基準(zhǔn)電壓源/電流源
    英文描述: RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
    中文描述: 抗輻射高效,5安培開關(guān)穩(wěn)壓器
    文件頁(yè)數(shù): 7/16頁(yè)
    文件大?。?/td> 222K
    代理商: L4973D3
    L4973V3.3
    V
    CC
    C1
    C2
    R2
    C7
    C3
    C4
    C5
    C6
    R1
    D1
    L1
    3 x
    C0
    C12
    Vo
    C8
    4,5,6
    13,14,15
    7,8
    1
    10
    18
    9
    17
    16
    INH
    SYNC
    11
    2,3
    12
    D97IN664A
    Figure1d:
    ApplicationCircuit (see fig. 1 part list)
    L4973V5.1
    V
    CC
    C1
    C2
    R2
    C7
    C3
    C4
    C5
    C6
    R1
    D1
    L1
    3
    x
    C0
    C12
    Vo
    C8
    4,5,6
    13,14,15
    7,8
    1
    10
    18
    9
    17
    16
    INH
    SYNC
    11
    2,3
    12
    D97IN665A
    Figure1c:
    ApplicationCircuit (seefig. 1 part list)
    0
    10
    20
    30
    40
    50
    V
    CC
    (V)
    2.0
    2.5
    3.0
    3.5
    4.0
    4.5
    5.0
    Ibias
    (mA)
    Tamb=25
    °
    C
    0% DC
    D97IN633A
    100KHz-R2=20K
    C7=2.7nF
    200KHz-R2=22K
    C7=1.2nF
    0Hz
    Figure2:
    QuiescentDrain Currentvs. Input
    Voltage (0% Duty Cycle)
    -50
    0
    50
    100
    Tj(
    °
    C)
    2.5
    3.0
    3.5
    4.0
    Ibias
    (mA)
    D97IN634
    100KHz-R2=20K
    C7=2.7nF
    200KHz-R2=22K
    C7=1.2nF
    0Hz
    0% DC
    V
    CC
    = 35V
    Figure 3:
    QuiescentDrain Current vs. Junction
    Temperature
    L4973V3 - L4973V5 - L4973D3- L4973D5
    7/16
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