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  • 參數(shù)資料
    型號: LS1501-7PD2TB2
    廠商: POWER-ONE INC
    元件分類: 電源模塊
    英文描述: 1-OUTPUT 100 W AC-DC REG PWR SUPPLY MODULE
    封裝: METAL, CASE S02, MODULE
    文件頁數(shù): 14/33頁
    文件大?。?/td> 438K
    代理商: LS1501-7PD2TB2
    S Series Data Sheet
    100 Watt AC-DC and DC-DC Converters
    APR 26, 2006 revised to SEP 25, 2006
    Page 21 of 33
    www.power-one.com
    AC-DC
    front
    end
    DC-DC
    con-
    verter
    Mains
    Battery
    SELV
    Earth connection
    +
    ~
    10044_082605
    Max. 150 VAC or VDC for AK, BK
    Max. 250 VAC or VDC for CK, DK, EK, FK, LK
    Fuse
    Max. 150 VAC or VDC for AK, BK
    Max. 250 VAC or VDC for CK, DK, EK, FK, LK
    Table 15: Safety concept leading to a SELV output circuit
    Conditions Front end
    Result
    DC-DC converter
    Result
    Nominal
    Minimum required grade
    DC output voltage
    Minimum required
    Types
    Measures to achieve the
    Safety status
    supply
    of insulation, to be pro-
    from the front end
    safety status of the
    specified safety status of
    of the DC-DC
    voltage
    vided by the AC-DC front
    front end output
    the output circuit
    converter
    end, including mains
    circuit
    output circuit
    supplied battery charger
    Mains
    Functional
    ≤100 V. The
    Primary circuit
    AS
    a) Double or reinforced
    SELV circuit
    ≤150 VAC (no electrical insulation
    nominal voltage
    BS
    insulation based on
    between the mains
    between any
    the mains voltage
    supply voltage and the
    output pin and
    (provided by the DC-DC
    DC-DC converter input)
    earth is
    ≤150 V
    converter) AND
    (AC or DC)
    b) earthed case
    3
    Mains
    ≤250 V The
    CS
    ≤250 VAC
    nominal voltage
    DS
    between any
    ES
    output pin and
    FS
    earth is
    ≤250 V
    (AC or DC)
    Basic
    ≤250 V
    Unearthed
    AS
    a) Supplementary insulation,
    hazardous voltage
    BS
    based on 250 VAC AND
    secondary circuit
    CS
    b) double or reinforced
    DS
    insulation
    2 (provided by
    ES
    DC-DC converter) AND
    FS
    c) earthed case
    3
    Earthed
    a) Double or reinforced
    hazardous voltage
    insulation
    2 (provided by
    secondary circuit
    the DC-DC converter) AND
    b) earthed case
    3
    Double or reinforced
    ≤60 V
    SELV circuit
    4
    ≤120 V
    TNV-3 circuit
    Basic insulation (provided
    by the DC-DC converter)
    4
    1 The front end output voltage should match the specified input voltage range of the DC-DC converter.
    2 Based on the maximum nominal output voltage from the front end.
    3 The earth connection has to be provided by the installer according to the relevant safety standards, e.g. IEC/EN 60950.
    4 Earthing of the case is recommended, but not mandatory.
    Safety of Operator-Accessible Output Circuits
    If the output circuit of a DC-DC converter is operator-accessible,
    it shall be a SELV circuit according to safety standard
    IEC/EN 60950.
    The
    following
    table
    shows
    some
    possible
    installation
    configurations, compliance with which causes the output circuit
    of a DC-DC converter to be a SELV circuit according to IEC/EN
    60950 up to a configured output voltage (sum of nominal voltages
    if in series or +/– configuration) of 36 V.
    Fig. 23
    Schematic safety concept.
    Use earth connection as per the table below.
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