參數資料
    型號: FK2540-9PD7B2
    廠商: POWER-ONE INC
    元件分類: 電源模塊
    英文描述: 2-OUTPUT 150 W DC-DC REG PWR SUPPLY MODULE
    封裝: METAL, CASE K02, MODULE
    文件頁數: 6/31頁
    文件大小: 1251K
    代理商: FK2540-9PD7B2
    K Series
    DC-DC Converters >100 Watt
    Rugged Environment
    Edition 4/4.99
    14/31
    MELCHER
    The Power Partners.
    Fig. 15
    Typical output response as a function of inhibit control
    Table 5: Inhibit characteristics
    Characteristic
    Conditions
    min
    typ
    max Unit
    Uinh Inhibit
    Uo = on
    Ui min…Ui max
    –50
    0.8
    V
    voltage
    Uo = off
    2.4
    50
    Iinh
    Inhibit current
    Uinh = 0
    –400
    A
    tr
    Rise time
    30
    ms
    tf
    Fall time
    depending on
    Io
    0
    t
    0
    Inhibit
    1
    0.1
    1
    Uo/Uo nom
    tr
    tf
    06001
    Sense Lines
    (Only for single output units 5.1 V, 12 V, 15 V, 24 V)
    This feature enables for compensation of voltage drops
    across the connector contacts and if necessary, across the
    load lines. If the sense lines are connected at the load
    rather than directly at the connector, the user should ensure
    that
    Uo max (between Vo1+ and Vo1–) is not exceeded. We
    recommend connecting the sense lines directly at the fe-
    male connector.
    For further information, please refer to:
    Application Notes.
    To ensure correct operation, both sense lines (S+ and S–)
    should be connected to their respective power outputs
    (Vo1+ and Vo1–) and the voltage difference between any
    sense line and its respective power output pin (as meas-
    ured on the connector) should not exceed the following val-
    ues:
    Table 6: Maximum voltage compensation allowed using
    sense lines
    Output
    Total voltage difference
    Voltage difference
    voltage
    between sense lines and
    between
    their respective outputs
    Vo– and S–
    5.1 V
    < 0.5 V
    < 0.25 V
    12 V, 15 V
    < 1.0 V
    < 0.25 V
    If the output voltages are increased above
    Uo nom via R-in-
    put control, option P setting, remote sensing or option T, the
    output currents must be reduced accordingly so that
    Po nom is not exceeded.
    Note: The output terminals Vo1+ and Vo1– must always be
    connected to the load before connecting the sense lines S+
    and S–, otherwise the unit will be damaged.
    Auxiliary Functions
    i Inhibit for Remote On and Off
    Note: With open i input: Output is disabled (
    Uo = off).
    The outputs of the module may be enabled or disabled by
    means of a logic signal (TTL, CMOS, etc.) applied between
    the inhibit input i and the negative pin of output 1 (Vo1–). In
    systems with several units, this feature can be used, for ex-
    ample, to control the activation sequence of the converters.
    If the inhibit function is not required, connect the inhibit pin
    18 to pin 14 to enable the outputs (active low logic, fail
    safe). For output response refer to:
    Hold-up Time and Out-
    put Response.
    Vi+
    Vi–
    Vo–
    i
    Vo+
    Iinh
    Uinh
    06031
    1.6
    0.8
    0
    –0.8
    –50
    Uinh [V]
    Iinh [mA]
    –30
    0
    –10
    10
    30
    50
    2.0
    1.2
    0.4
    –0.4
    Uinh = 0.8 V
    Uo = on
    Uo = off
    Uinh = 2.4 V
    06032
    Fig. 13
    Definition of Uinh and Iinh.
    Fig. 14
    Typical inhibit current Iinh versus inhibit voltage Uinh
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