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    首页产品索引NCP5030

    NCP5030

    购买收藏
     LED Driver, Buck-Boost Converter, Fixed Frequency, PWM

    制造商:ON

    中文数据手册

    产品信息

    The NCP5030 is a fixed frequency PWM buck-boost converter optimized for constant current applications such as driving high-powered white LED. The buck-boost is implemented in an H-bridge topology and has an adaptive architecture where it operates in one of three modes: boost, buck-boost, or buck depending on the input and output voltage condition. This device has been designed with high-efficiency for use in portable applications and is capable of driving in DC up to 900 mA into a high power LED for flashlight / torch applications. To protect the device cycle-by-cycle current limiting and a thermal shutdown circuit have been incorporated as well as output over-voltage protection. The 700 kHz switching frequency allows the use of a low value 4.7 µH and ceramic capacitors.
    • Efficiency: 87% at 500 mA and 3.3 V VIN
    • Internal Synchronous Rectifier, No Schottky Diodes
    • Adjustable Switching Limit Current to Optimize inductor size
    • 0.3 µA Shut-down Control with True-Cut off
    • Input Voltage Range from 2.7 V to 5.5V
    • 200 mV Feedback Voltage
    • Output Over-voltage and Thermal Shut Down Protection

    电路图、引脚图和封装图

    在线购买

    型号制造商描述购买
    NCP5030MTTXGONIC LED DRIVER RGLTR DIM 12WDFN 立即购买

    技术资料

    标题类型大小(KB)下载
    WDFN12, 3x4, 0.5PPDF34 点击下载
    Buck-Boost Converter to Drive a Single LED From 1 Li-Ion or 3 Alkaline BatteriesPDF186 点击下载
    NCP5030_PD.GIFUNKNOW19 点击下载
    NCP5030_AD.GIFUNKNOW16 点击下载

    应用案例更多案例

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