參數(shù)資料
    型號(hào): LT1840-7Z
    廠商: POWER-ONE INC
    元件分類: 電源模塊
    英文描述: 1-OUTPUT 500 W AC-DC REG PWR SUPPLY MODULE
    文件頁數(shù): 13/32頁
    文件大小: 1000K
    代理商: LT1840-7Z
    BCD20023 Rev. AA, 3-Sep-2008
    Page 20 of 32
    www.power-one.com
    T Series Data Sheet
    500 Watt AC-DC Converters
    T1740-7DZ
    48Q/CQ
    T1740-7DZ
    System
    controller
    48 V power bus (SELV)
    (50.5 to 56.5 V)
    Back-up
    battery
    48 V
    12 V, 16 A
    (8 A*)
    24 V, 8 A
    (4 A*)
    +5.1 V, 64 A (48 A*)
    power down
    DC bus good
    output good
    N L
    +
    * For redundancy,
    decoupling at the 48Q/CQ-
    outputs with diodes is required.
    Fuse
    06085a
    Temp. sensor
    Fig. 38
    UPS uninteruptable
    power supply system
    Fig. 39
    Front end with various loads (example)
    48Q/CQ
    1001
    48Q/CQ
    2320
    PSB
    245
    T1701
    System
    controller
    48 V power bus (SELV)
    (53 to 56 V)
    Cooling fan
    ±12 V, 4 A
    +24 V, 5 A
    +5.1 V, 32 A
    power down
    DC bus good
    output good
    L
    N
    M
    PCB heating
    Lamps
    Vo+
    Vo–
    48Q/CQ
    1001
    06086a
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