參數(shù)資料
        型號: LS1001-9PD7TB1
        廠商: POWER-ONE INC
        元件分類: 電源模塊
        英文描述: 1-OUTPUT AC-DC REG PWR SUPPLY MODULE
        封裝: METAL, CASE S02, MODULE
        文件頁數(shù): 19/33頁
        文件大?。?/td> 438K
        代理商: LS1001-9PD7TB1
        S Series Data Sheet
        100 Watt AC-DC and DC-DC Converters
        APR 26, 2006 revised to SEP 25, 2006
        Page 26 of 33
        www.power-one.com
        Option D: Undervoltage Monitor
        The input and/or output undervoltage monitoring circuit operates
        independently of the built-in input undervoltage lockout circuit. A
        logic "low" (JFET output) or "high" signal (NPN output) is
        generated at pin 20 as soon as one of the monitored voltages
        drops below the preselected threshold level Vt. The return for
        this signal is Vo1–. The D output recovers when the monitored
        voltage(s) exceed(s) Vt + Vh. The threshold levels Vti and Vto
        are either adjustable by a potentiometer, accessible through a hole
        in the front cover, or factory adjusted to a fixed value specified by
        the customer.
        Option D exists in various versions D0 - DD as shown in the
        following table.
        Table 20: Undervoltage monitor functions
        Output type
        Monitoring
        Minimum adjustment range
        Typical hysteresis
        Vh [% of Vt]
        of threshold level
        Vt
        for
        Vt min - Vt max
        JFET
        NPN
        Vi
        Vo1
        Vti
        Vto
        Vhi
        Vho
        D1
        D5
        no
        yes
        -
        3.5 - 40 V
        1
        -
        2.5 - 0.6
        D2
        D6
        yes
        no
        Vi min - Vi max
        1
        -
        3.4 - 0.4
        -
        D3
        D7
        yes
        Vi min - Vi max
        1
        (0.95 - 0.985
        Vo1)
        2
        3.4 - 0.4
        "0"
        D4
        D8
        no
        yes
        -
        (0.95 - 0.985
        Vo1)
        2
        -
        "0"
        D0
        D9
        no
        yes
        -
        3.5 - 40 V
        3
        -
        2.5 - 0.6
        yes
        no
        Vi min - Vi max
        3, 4
        -
        3.4 - 0.4
        -
        yes
        Vi min - Vi max
        3, 4
        3.5 - 40 V
        3
        3.4 - 0.4
        2.5 - 0.6
        yes
        Vi min - Vi max
        3, 4
        (0.95 - 0.985
        Vo1)
        2
        3.4 - 0.4
        "0"
        -DD
        yes
        Vi min - Vi max
        1
        3.5 - 40 V
        1
        3.4 - 0.4
        2.5 - 0.6
        1 Threshold level adjustable by potentiometer
        2 Fixed value tracking if Vo1 is adjusted via R-input, option P or sense lines.
        3 The threshold level is permanently adjusted according to customer specification ±2% at 25 °C. Any value within the
        specified range is possible, but causes a new customer-specific type designation.
        4 Adjusted at Io nom
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