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    參數(shù)資料
    型號: ICL7665ACSA
    廠商: MAXIM INTEGRATED PRODUCTS INC
    元件分類: 電源管理
    英文描述: Microprocessor Voltage Monitor with
    中文描述: 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
    封裝: 0.150 INCH, SOIC-8
    文件頁數(shù): 10/12頁
    文件大?。?/td> 114K
    代理商: ICL7665ACSA
    I
    Mic roproc essor Voltage Monitor with
    Dual Over/Undervoltage Detec tion
    ICL7665
    SET2
    OUT2
    OUT1
    SET1
    HYST2
    HYST1
    R31
    22M
    22M
    100k
    POWER OK
    301k
    R11
    49.9k
    V+
    +5V
    -5V
    -15V
    787k
    +5V
    +15V
    R21A
    274k
    R21B
    1.02M
    +5V
    HYST1
    SET1
    HYST2
    SET2
    GND
    OUT2
    V+
    V+
    OUT1
    OUT2
    SHDN
    SENSE
    ICL7663
    ICL7665
    GND
    LOW-BATTERY WARNING
    LOW-BATTERY SHUTDOWN
    +5V, 1A
    OUTPUT
    R31
    OUT1
    SET
    R21
    R11
    R32
    R22
    R12
    1M
    100
    Figure 8. Low-Battery Warning and Low-Battery Disconnect
    Figure 7. Multiple-Supply Fault Monitor
    HYST1
    SET1
    HYST2
    SET2
    ICL7665
    V+
    UNREGULATED
    DC INPUT
    BACK-UP
    BATTERY
    RESET
    OR
    WRITE
    ENABLE
    POWER-FAIL WARNING
    4700μF
    470μF
    2.2M
    1M
    5.6M
    715k
    130k
    22M
    OUT2
    OUT1
    5V, 1A
    OUTPUT
    7805
    5V REGULATOR
    HYST1
    SET1
    HYST2
    SET2
    OUT1
    OUT2
    ICL7665
    V+
    7805
    5V REGULATOR
    10VAC
    60Hz
    20V CENTER
    TAPPED TRANS
    4700
    μ
    F
    R2
    1M
    681k
    Q1
    R3
    1M
    C1
    R1
    +5V
    POWER-FAIL
    WARNING
    100k
    5V, 1A
    Figure 9. Power-Fail Warning and Power-Up/Power-Down Reset
    Figure 10. AC Power-Fail and Brownout Detector
    ICL7665
    OUT1
    OUT2
    SET2
    SET1
    +5V SUPPLY
    HYST1
    HYST2
    V+
    13M
    5%
    7.5M
    5%
    249k
    324k
    100k
    100k
    OVERVOLTAGE
    DETECTOR
    V
    U
    5.55V
    V
    L
    5.45V
    UNDERVOLTAGE
    DETECTOR
    V
    U
    4.55V
    V
    L
    4.45V
    POWER OK
    Figure 6. Fault Monitor for a Single Supply
    10
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