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  • 參數(shù)資料
    型號(hào): LK1301-7EPD4T
    元件分類: 電源模塊
    英文描述: 1-OUTPUT 150 W AC-DC REG PWR SUPPLY MODULE
    封裝: HEAT SINK, METAL, CASE K02, MODULE
    文件頁(yè)數(shù): 13/27頁(yè)
    文件大?。?/td> 640K
    代理商: LK1301-7EPD4T
    Rugged Environment
    DC-DC Converters >100 W
    K-Family
    Edition 2/96 - Melcher AG
    8 - 21
    MELCHER
    The Power Partners.
    8.1
    Fig. 22
    Paralleling of single output units using option T with the
    sense lines connected at the load
    1 Leads should have equal length and cross sections and should
    run in the same cable loom.
    2 Diodes recommended in redundant operation only
    3 DC common point
    Load
    1
    2
    3
    Module
    S+
    Vo+
    Vo–
    S–
    Vi+/N
    Vi–/P
    T
    Module
    Vi+/N
    Vi–/P
    S+
    Vo+
    Vo–
    S–
    T
    1
    max. 5 units in parallel connection
    Option D Undervoltage monitor
    The input and/or output undervoltage monitoring circuit op-
    erates independently of the built-in input undervoltage lock-
    out circuit. A logic "low" (JFET output) or "high" signal (NPN
    output) is generated at pin 20 as soon as one of the moni-
    tored voltages drops below the preselected threshold level
    Ut. The return for this signal is Vo1–. The D output recovers
    when the monitored voltage(s) exceed(s)
    Ut + Uh. The
    Load
    max. 5 units in parallel connection
    +–
    Power bus
    Module
    Vo2+
    Vo1+
    Vo2–
    Vo1–
    Vi+/N
    Vi–/P
    T
    Module
    Vi+/N
    Vi–/P
    Vo2+
    Vo1+
    Vo2–
    Vo1–
    T
    Fig. 23
    Paralleling of double output units using option T
    threshold levels
    Uti and Uto are either adjustable by a
    potentiometer, accessible through a hole in the front cover,
    or factory adjusted to a fixed value specified by the cus-
    tomer.
    Option D exists in various versions D0...DD as shown in the
    following table.
    Table 15: Undervoltage monitor functions
    Output type
    Monitoring
    Minimum adjustment range
    Typical hysteresis
    Uh [% of Ut]
    JFET
    NPN
    U i
    Uo1
    of threshold level
    U t
    for
    U t min...U t max
    Uti
    Uto
    Uhi
    Uho
    D1
    D5
    no
    yes
    -
    3.5...40 V 1
    -
    2.5...0.6
    D2
    D6
    yes
    no
    Ui min...Ui max 1
    -
    3.4...0.4
    -
    D3
    D7
    yes
    Ui min...Ui max 1
    (0.95...0.985
    Uo1) 2
    3.4...0.4
    "0"
    D4
    D8
    no
    yes
    -
    (0.95...0.985
    Uo1) 2
    -
    "0"
    D0
    D9
    no
    yes
    -
    3.5...40 V 3
    -
    2.5...0.6
    yes
    no
    Ui min...Ui max 3 4
    -
    3.4...0.4
    -
    yes
    Ui min...Ui max 3 4
    3.5...40 V 3
    3.4...0.4
    2.5...0.6
    yes
    Ui min...Ui max 3 4
    (0.95...0.985
    Uo1) 2
    3.4...0.4
    "0"
    -
    DD
    yes
    Ui min...Ui max 1
    3.5...40 V 1
    3.4...0.4
    2.5...0.6
    1 Threshold level adjustable by potentiometer
    2 Fixed value tracking if Uo1 is adjusted via R-input, option P or sense lines.
    3 The threshold level permanently adjusted according to customer specification
    ±2 % at 25°C. Any value within the specified range is
    basically possible but causes a special type designation in addition to the standard option designations (D0/D9 respectively)!
    4 Adjusted at Io nom
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