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    參數(shù)資料
    型號(hào): MC44603AP
    廠商: ON SEMICONDUCTOR
    元件分類(lèi): 穩(wěn)壓器
    英文描述: MIXED FREQUENCY MODE GREENLINE PWM CONTROLLER
    中文描述: 0.75 A SWITCHING CONTROLLER, 250 kHz SWITCHING FREQ-MAX, PDIP16
    封裝: PLASTIC, DIP-16
    文件頁(yè)數(shù): 8/24頁(yè)
    文件大小: 405K
    代理商: MC44603AP
    MC44603A
    8
    MOTOROLA ANALOG IC DEVICE DATA
    0
    0
    100
    R
    θ
    80
    60
    40
    20
    10
    20
    30
    40
    50
    L, LENGTH OF COPPER (mm)
    °
    P
    5.0
    4.0
    3.0
    2.0
    1.0
    0
    Graphs represent symmetrical layout
    3.0 mm
    Printed circuit board heatsink example
    L
    éé
    éé
    ééé
    ééé
    Copper
    PD(max) for TA = 70
    °
    C
    R
    θ
    JA
    3.2
    3.1
    2.8
    2.9
    3.0
    –50
    –25
    0
    25
    50
    75
    100
    TA, AMBIENT TEMPERATURE (
    °
    C)
    Figure 13. Current Sense Gain
    versus Temperature
    Figure 14. Thermal Resistance and Maximum
    Power Dissipation versus P.C.B. Copper Length
    A
    VCC = 12 V
    Rref = 10 k
    CT = 820 pF
    VCC, SUPPLY VOLTAGE (V)
    Figure 15. Propagation Delay Current Sense
    Input to Output versus Temperature
    TA, AMBIENT TEMPERATURE (
    °
    C)
    Figure 16. Startup Current versus VCC
    P
    S
    0
    4.0
    0
    2.0
    6.0
    140
    120
    100
    80
    –50
    –25
    0
    25
    50
    75
    100
    0.35
    0.30
    0.25
    0.20
    0.15
    0.10
    0.05
    8.0
    10
    12
    14
    VCC = 12 V
    Rref = 10 k
    CT = 820 pF
    Rref = 10 k
    CT = 820 pF
    Figure 17. Supply Current versus
    Supply Voltage
    Figure 18. Power Supply Zener Voltage
    versus Temperature
    16
    0
    VCC, SUPPLY VOLTAGE (V)
    21.0
    20.5
    20.0
    19.5
    19.0
    –50
    –25
    0
    25
    50
    75
    100
    TA, AMBIENT TEMPERATURE (
    °
    C)
    I
    V
    14
    12
    10
    8.0
    6.0
    4.0
    2.0
    2.0
    4.0
    6.0
    8.0
    10
    12
    14
    16
    21.5
    TA = 25
    °
    C
    Rref = 10 k
    CT = 820 pF
    VFB = 0 V
    VCS = 0 V
    ICC = 25 mA
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    相關(guān)代理商/技術(shù)參數(shù)
    參數(shù)描述
    MC44603APG 功能描述:電流型 PWM 控制器 Voltage/Current PWM w/Bust Mode Standby RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
    MC44603DW 功能描述:電流型 PWM 控制器 Voltage/Current PWM RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
    MC44603DWR2 功能描述:電流型 PWM 控制器 Voltage/Current PWM RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
    MC44603DWR2G 功能描述:電流型 PWM 控制器 Voltage/Current PWM w/Bust Mode Standby RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
    MC44603P 功能描述:電流型 PWM 控制器 Voltage/Current PWM RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14