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    • 參數(shù)資料
    型號(hào)： LT1740-7DB1
    廠商： POWER-ONE INC
    元件分類： 電源模塊
    英文描述： 1-OUTPUT 550 W AC-DC REG PWR SUPPLY MODULE
    封裝： CASE T01, MODULE
    文件頁(yè)數(shù)： 12/33頁(yè)
    文件大?。?/td> 838K
    代理商： LT1740-7DB1
    T Series
    AC-DC Converters >100 Watt
    Rugged Environment
    Edition 4/4.99
    2/33
    MELCHER
    The Power Partners.
    Type Survey and Key Data
    Table 1: Type Survey (All typical values at 20
    °C)
    Output voltage
    Output current
    Input voltage range and efficiency
    Options
    Uo set at Ui nom, 1/2 Io nom
    Io nom
    Ui min...Ui max
    η
    min
    1
    Ui min...Ui max
    η
    min
    1
    [V DC]
    [A]
    70...140 V AC
    [%]
    85...255 V AC
    [%]
    24.25
    16
    UT 1201-7 2, 4
    91
    LT 1201-7 2, 6
    91
    D
    25.25...27.25...28.25
    14.5
    UT 1240-7Z 4, 3
    91
    LT 1240-7Z 6, 3
    92
    B1
    54.5
    10
    UT 1701-7 5
    92
    LT 1701-7 6
    93
    48
    11
    ––
    LT 1702-7 2, 6
    93
    50.5...54.5...56.5
    10
    UT 1740-7Z 5, 3
    92
    LT 1740-7Z 6, 3
    93
    37.9...40.9...42.4
    11
    ––
    LT 1840-7Z 3, 6
    91
    1 Efficiency measured at Ui nom and Io nom.
    2 Instead of output power limitation, output current limitation.
    3 Output voltage range controlled by input Ucr, remote temperature sensor and cell voltage selector switch.
    4 Reduced output power for Ui = 70...95 V AC. See Output Power Limitation.
    5 Reduced output power for Ui = 70...100 V AC. See Output Power Limitation.
    6 Reduced output power for Ui = 85...155 V AC. See Output Power Limitation.
    Type Key
    L T 1 7 40 -7 D Z F B1
    Input voltage range
    U
    i
    70...140 V, 47...63 Hz ................................ U
    85...255 V, 47...63 Hz ................................. L
    Series ............................................................................... T
    Number of outputs: ........................................................... 1
    Output
    U
    o set
    24, 27.25 V .................................................. 2
    48, 54.5 V .................................................... 7
    40.9 V .......................................................... 8
    Recifier version .................................... 01, 02 3
    Battery charger version .............................. 40 4
    Other voltages .................................... 00...99
    Ambient temperature range
    T
    A
    –25...71
    °C .................................................. -7
    Customer specific ................................ -0...-6
    Auxiliary functions and options
    Remote bus voltage monitoring (option) ..... D 1
    Cell voltage selector switch ......................... Z 2
    Input fuse externally accessible ................... F
    Baseplate (option) ...................................... B1
    1 See also: Description of Options as well as data sheet: Back Planes for the T Series.
    2 Only for T 1240/1740/1840
    3 No input for remote temperature sensor
    4 With input for remote temperature sensor
    Example:
    LT 1740-7Z: AC-DC converter, input voltage range 85...255 Vrms, single output 50.5...56.5 V DC, 10 A, opera-
    tional ambient temperature –25...71
    °C, with cell voltage selector switch.
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