1.2 MHz、PWM 控制DC/DC升压控制器1.2MHz Step-Up PWM Controller CXSU63187是一个高效，固定开关频率，PWM控制的DC/DC升压控制器。它为单芯锂电池升压到5V输出提供一个简便易用的电源解决方案。其内置补偿电路及保护电路，以减少外围组件。CXSU63187高达1.2MHz的开关频率可使电感和输出电容小型化，从而节约PCB面积以适应电池供电的应用系统

   产品概述 返回TOPdcZ嘉泰姆

     CXSU63187是一个高效，固定开关频率，PWM控制的DC/DC升压控制器。它为单芯锂电池升压到5V输出提供一个简便易用的电源解决方案。其内置补偿电路及保护电路，以减少外围组件。CXSU63187高达1.2MHz的开关频率可使电感和输出电容小型化，从而节约PCB面积以适应电池供电的应用系统。CXSU63187内置了过温保护、输出短路保护及soft start电路。CXSU63187采用符合RoHS规范及Pb-Free的小尺寸SOT23-5封装。The CXSU63187 is a compact, high efficiency, fixed frequency pulse-width-modulation (PWM) controller. It provides an easy-to-use power supply solution for the application from one Li-ion battery to 5V output. All compensation and protection circuitry are integrated to minimize external components. The 1.2MHz high switching frequency allows smaller inductor and output capacitor, making the CXSU63187 ideally suited for small battery-powered applications and saves PCB space. The CXSU63187 contains thermal shutdown function and output short protection circuit. Built-in soft-start circuitry prevents excessive inrush current during start-up. The CXSU63187is available in a Pb-free, thin-SOT23-5 package.

   产品特点 返回TOPdcZ嘉泰姆

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• 2.7V～5.5V输入电压范围dcZ嘉泰姆

• 效率高达90％</p>

• 1.2MHz的固定开关频率</p>

• 外部组件小型化</p>

• 输出短路保护dcZ嘉泰姆

• 关断电流小于1μAdcZ嘉泰姆

• 单芯锂电池输入，输出5VdcZ嘉泰姆

• SOT23-5封装dcZ嘉泰姆

• 符合RoHS规范，Pb-Free及Halogen-Free
VDD Range: 2.7V to 5.5V
High Efficiency up to 90%
1.2MHz Fixed Switching Frequency
Tiny External Components
Output Short Protection
<1μA Shutdown Current
3.3V to +5.0V Distributed Power Supply
Single Cell Li-ion Battery to 5V Converter
Available in SOT23-5 Package
RoHS Compliant and 100% Lead (Pb)-Free Halogen-FreedcZ嘉泰姆

   应用范围 返回TOPdcZ嘉泰姆

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• 单芯锂电池输入，5V输出系统
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One Li-Ion Battery to 5V OutputdcZ嘉泰姆

 
Handheld DevicesdcZ嘉泰姆

• 掌上型设备</p>

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