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    深圳市利盛达科技有限公司 利盛达科技让电源设计更便捷可靠|联系电话:13928434054
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    MP2109,双路1.5MHz、800mA 同步降压型DC-DC变换器

    MP2109】双路1.5MHz、800mA 同步降压型DC-DC变换器

    • MP2109 所属品牌:MPS
    • 将MP2109添加至收藏夹 用邮件咨询MP2109的相关信息 就MP2109 QQ咨询,也可电话至139 2843 4054。

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      如有任何问题,请联系新市场拓展部24小时服务热线:139 2843 4054;
      sales@lsdtek.com;
    MP2109 详细介绍

    MP2109双路独立的1.5MHZ恒定频率、电流模脉宽调制(PWM)架构的降压型变换器。每一路变换器都集成了一个主开关管和同步整流管以提高效率,无需外部肖特基二极管。MP2109是单节锂电池供电应用的理想选择。当输入电压范围在2.5V~5.5V时,每路变换器可以提供800mA的电流,输出电压可调节低至0.6V。MP2109可以在100%的占空比下低压降工作。

    MP2109 】Dual 1.2MHz, 800mA Synchronous Step-Down Converter. Adjusted Output Voltage (0.6V to 6V).
     
    The MP2109 contains two independent 1.2MHz constant frequency, current mode, PWM step down converters. MP2109 Each converter integrates a main switch and a synchronous rectifier for high efficiency without an external Schottky diode. The MP2109 is ideal for powering portable equipment that runs from a single cell Lithium-Ion (Li+) battery. Each converter can supply 800mA of load current from a 2.5V to 6V input voltage. The output voltage can be regulated as low as 0.6V. The MP2109 can also run at 100% duty cycle for low dropout applications.
     
    MP2109 技术特性
    MP2109Up to 95% Efficiency
    MP21091.2MHz Constant Switching Frequency
    MP2109800mA Load Current on Each Channel
    MP21092.5V to 6V Input Voltage Range
    MP2109Output Voltage as Low as 0.6V
    MP2109100% Duty Cycle in Dropout
    MP2109Current Mode Control
    MP2109Short Circuit Protection
    MP2109Thermal Fault Protection
    • <0.1μA Shutdown Current
    MP2109 Internally Compensated
    MP2109Space Saving 10-Pin QFN Package
     
     
     
     
     

    Vin (Min) (V)

    2.5 

    Vin (Max) (V)

    lout (Max) (A)

    0.8 (2x) 

    Isw Typ (A)

    1.3 

    Iq (Typ) (mA)

    0.4 

    Vfb (V)

    0.6 

    Freq 1 (kHz)

    1240 

    Freq 2 (kHz)

     

    Soft Start

    Package 1

    QFN10