參數(shù)資料
    型號(hào): L6995STR
    廠商: STMICROELECTRONICS
    元件分類: 穩(wěn)壓器
    英文描述: SWITCHING CONTROLLER, PDSO20
    封裝: MO-153-AC, TSSOP-20
    文件頁(yè)數(shù): 14/26頁(yè)
    文件大小: 427K
    代理商: L6995STR
    21/26
    L6995S
    POWER SECTION
    Notes: 1. N.M.=Not Mounted
    2. The demoboard with this component list is set to give: VOUT = 1.8V, FSW = 250kHz with an input voltage around VIN = 20V and
    with the integrator feature.
    3. The diode efficiency impact is very low; it is not a necessary component.
    4. All capacitors are intended ceramic type otherwise specified.
    6.11.1Efficiency
    Vin = 20V Vout = 1.8V Fsw = 270kHz
    Figure 21. Efficiency vs output current
    Part name
    Value
    Dimension
    Notes
    C10
    100nF
    0603
    C11
    100nF
    0603
    DIODE
    D1
    BAR18
    INPUT CAPACITORS
    C7, C13
    10
    F
    C34Y5U1E106ZTE12 TOKIN
    OUTPUT CAPACITORS
    C14, C15
    330
    F
    EEFUE0D331R
    PANASONIC
    INDUCTOR
    L1
    2.7
    H
    DO3316P-272HC
    COILCRAFT
    2.2
    H
    ETQP6H2R2GF
    PANASONIC
    3.3
    HDQ7545
    COEV
    POWER MOS
    Q1,Q2
    STS8DNF3LL
    STMicroelectronics
    Dual MOSFETS in single package
    DIODE
    D2
    STPS3L40U
    STMicroelectronics
    3
    30
    40
    50
    60
    70
    80
    90
    0,0
    0,5
    1 ,0
    1,5
    2,0
    2,5
    3,0
    3,5
    4,0
    4,5
    5,0
    5 ,5
    6, 0
    Cu r r e n t [A]
    Ef f [ %]
    V in=20V V ou t=1.8V Fs w =270K hz PW M
    V in=2 0V V out=1 .8V Fs w =2 70Khz PFM
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    相關(guān)代理商/技術(shù)參數(shù)
    參數(shù)描述
    L6996 功能描述:DC/DC 開關(guān)控制器 Step-Down Contrllr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
    L6996-1 制造商:Johanson 功能描述:TUNING ROTOR
    L6996-13 制造商:Johanson Manufacturing 功能描述:TUNING ELEMENT
    L6996-16 制造商:Johanson Manufacturing 功能描述:TUNING ELEMENT
    L6996-17 制造商:Johanson Manufacturing 功能描述:TUNING ELEMENT