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    參數(shù)資料
    型號(hào)： LK2540-7EPD8B1
    元件分類： 電源模塊
    英文描述： 2-OUTPUT 150 W AC-DC REG PWR SUPPLY MODULE
    封裝： METAL, CASE K02, MODULE
    文件頁數(shù)： 10/27頁
    文件大?。?/td> 640K
    代理商： LK2540-7EPD8B1
    Rugged Environment
    DC-DC Converters >100 W
    K-Family
    Edition 2/96 - Melcher AG
    8 - 19
    MELCHER
    The Power Partners.
    8.1
    Supplementary Data
    Isolation
    Input to output electric strength tests in accordance with
    IEC 950, EN 60950, VDE 0805 and EN 41003 respectively
    are performed as factory tests and should not be repeated
    in the field.
    Description of Options
    Table 13: Survey of options
    Option
    Function of Option
    Characteristics
    -9
    Operational temperature range
    TA = –40°C...71°C
    Extended operational temperature range
    E 1
    Electronic inrush current limitation circuitry
    Improved inrush current limitation as per table 12
    P
    Potentiometer for
    Uo adjustment
    R-function is not available if option P is incorporated
    D
    Input and/or output undervoltage monitoring circuitry
    Safe data signal output (Versions D0...DD)
    V 2
    Input (and output) undervoltage monitoring circuitry
    ACFAIL signal according to VME specs (Versions V0, V2, V3)
    T
    Current sharing
    Interconnect T-pins if paralleling outputs (5 units max.)
    B1
    Cooling plate
    Replaces standard heat sink, allowing direct chassis-mounting
    1 Option E for C/D/E/LK types
    2 Option V for AK...LK 1001 types
    Option -9 Extended Temperature Range
    Extension of the operating temperature range from standard –25...71
    °C to –40...71°C.The modules will provide full nomi-
    nal output power with free air convection cooling. Option -9 excludes inrush current limitation by NTC.
    Display Status of LEDs
    Uo > 0.95...0.985Uo adj
    Ui max Ui ov
    Ui min
    Ui uv
    Ui
    Ui abs
    OK
    i
    Uo > 0.95...0.985Uo adj
    Io nom
    IoL
    Io
    OK
    Io L
    Uo < 0.95...0.985Uo adj
    TC
    i
    TC max
    TPTC threshold
    Ui inh
    i
    +50 V
    +0.8 V
    +2.4 V
    -50 V
    Uinh threshold
    Io L
    LED off
    LED on
    LED Status undefined
    Fig. 18
    LEDs "OK ", "i " and "Io L"status versus input voltage
    Conditions: Io ≤ Io nom, TC ≤ TC max, Uinh ≤ 0.8 V
    Ui uv = undervoltage lock-out, Ui ov = overvoltage lock-out
    LEDs "OK " and "Io L"status versus output current
    Conditions: Ui min...Ui max, TC ≤ TC max, U inh ≤ 0.8 V
    LED "i "versus case temperature
    Conditions: Ui min...Ui max, I o
    ≤ Io nom, Uinh ≤ 0.8 V
    LED "i "versus Uinh
    Conditions: Ui min...Ui max, I o ≤ I o nom, TC ≤ TC max
    Table 12: Electric strength test voltages, clearance and creepage distances
    Characteristic
    Input to Output
    Input to Case
    Output to Case
    Output to Output
    Unit
    Electric strength test voltage
    4.0
    2.0
    1.0
    0.1
    kVrms
    5.6
    2.8
    1.4
    0.15
    kV DC
    Clearance and
    AK/BK
    6.4
    3.2
    2.0
    0.8
    mm
    creepage distance
    CK...LK
    6.4
    3.2
    2.0
    0.8
    on the print lay-out
    Important Advice
    Testing by applying AC voltages will result in high and
    dangerous leakage currents through the Y-capacitors
    (see Functional Description, block diagrams). Melcher
    will not honour any guarantee claims resulting from high
    voltage field tests.
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