• 參數(shù)資料
    型號: MIC2295
    廠商: Micrel Semiconductor,Inc.
    英文描述: High Power Density 1.2A Boost Regulator
    中文描述: 高功率密度1.2A的升壓穩(wěn)壓器
    文件頁數(shù): 5/13頁
    文件大小: 1267K
    代理商: MIC2295
    Micrel
    MIC2295
    July 2004
    M9999-052402
    (408) 955-1690
    5
    MIC2295 SEPIC 5V Output
    64
    66
    68
    70
    72
    74
    76
    78
    0
    50
    100
    150
    200
    250
    OUTPUT CURRENT (mA)
    E
    Vin=3V
    Vin=3.5V
    Vin=4V
    Vin=5V
    Vin=5.5V
    VIN
    EN
    SW
    FB
    GND
    MIC2295BML
    1
    2
    3
    4
    5
    V
    OUT
    = 5V @ 0.3A
    4.7uH
    4.7uF/
    6.3V
    MBRX140
    43.2K
    14.3K
    F/
    6.3V
    V
    IN
    = 3.3V to 5.5V
    R1
    R2
    4.7uH
    L2
    L1
    C1
    C2
    C3
    1uF/16V
    L1 = Murata LQH32CN4R7M23
    L2 = Murata LQH32CN4R7M23
    470pF/
    10V
    C4
    5V MIC2295 SEPIC with one
    coupled inductor
    30
    35
    40
    45
    50
    55
    60
    65
    70
    75
    80
    0
    50
    100
    150
    200
    250
    300
    LOAD CURRENT (mA)
    E
    Vin=2.5
    V
    V
    VI N
    EN
    SW
    FB
    G N D
    MIC2295BML
    1
    2
    3
    4
    5
    V
    OUT
    = 5V @ 0.3A
    4.7uH
    4.7uF
    63V
    MBRX140
    432K
    143K
    47
    μ
    F
    6.3V
    V
    I N
    = 3.3V to 55V
    R1
    R2
    47uH
    L1
    L1
    C1
    C 2
    C3
    1uF16V
    L 1 = Sumida CLS
    5D11HP
    470pF
    10V
    C4
    MIC2295 12V output Efficiency
    60
    65
    70
    75
    80
    85
    90
    0
    50
    100
    150
    200
    OUTPUT CURRENT (mA)
    E
    Vin=3.3V
    Vin=4.2V
    Vin=3.6V
    Max Duty Cycle vs Input Voltage
    70
    75
    80
    85
    90
    95
    100
    2.5
    4
    5.5
    7
    8.5
    10
    SUPPLY VOLTAGE (V)
    D
    Input Voltage
    vs. Supply Voltage
    0.5
    0.7
    0.9
    1.1
    1.3
    1.5
    2.5
    4
    5.5
    7
    8.5
    10
    SUPPLY VOLTAGE (V)
    F
    Switch Voltage
    vs. Supply Voltage
    0
    50
    100
    150
    200
    250
    300
    2.5
    4.5
    6.5
    8.5
    Input Voltage (V)
    S
    MIC2295 15V output Efficiency
    60
    65
    70
    75
    80
    85
    90
    0
    50
    100
    150
    200
    OUTPUT CURRENT (mA)
    E
    Vin=3.3V
    Vin=4V
    Vin=4.2V
    1.10
    1.12
    1.14
    1.16
    1.18
    1.20
    1.22
    1.24
    1.26
    1.28
    1.30
    -40 -20 0
    20 40 60 80 100 120
    TEMPERATURE (
    °
    C)
    F
    Feedback Voltage
    vs. Temperature
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