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CXSD61042S PFM Mode for High Efficiency in Light Load 2A Output Current 100% Duty Cycle in Dropout O
发表时间:2020-04-09浏览次数:219
CXSD61042S PFM Mode for High Efficiency in Light Load 2A Output Current 100% Duty Cycle in Dropout O
 

目录

   产品概述 返回TOPpW1嘉泰姆


The CXSD61042S is a 1.5MHz constant frequency, current mode step-down converter. It is ideal for portable equipment requiring very high current up to 2A from single-cell Lithium-ion batteries while still achieving over 90% efficiency during peak load conditions. The CXSD61042S also can run at 100% duty cycle for low dropout operation, extending battery life in portable systems while light load operation provides very low output ripple for noise sensitive applications. The CXSD61042S can supply up to 2A output load current from a 2.3V to 6V input voltage and the output voltage can be regulated as low as 0.6V. The high switching frequency minimizes the size of external components while keeping switching losses low. The internal slope compensation setting allows the device to operate with smaller inductor values to optimize size and provide efficient operation. The device is available in a Pb-free, SOP8 package and is rated over the -40°C to +85°C temperature range. 

This device offers two operation modes, PWM control and PFM Mode switching control, which allows a high efficiency over the wider range of the load.

   产品特点 返回TOPpW1嘉泰姆


x High Efficiency: Up to 96% pW1嘉泰姆

x 1.5MHz Constant Frequency Operation pW1嘉泰姆

x 2A Output Current pW1嘉泰姆

x No Schottky Diode Required pW1嘉泰姆

x 2.3V to 6V Input Voltage Range pW1嘉泰姆

x Output Voltage as Low as 0.6V pW1嘉泰姆

x PFM Mode for High Efficiency in Light Load pW1嘉泰姆

x 100% Duty Cycle in Dropout Operation pW1嘉泰姆

x Low Quiescent Current: 40μA pW1嘉泰姆

x Short Circuit Protection pW1嘉泰姆

x Thermal Fault Protection pW1嘉泰姆

x Inrush Current Limit and Soft Start pW1嘉泰姆

x<1μA Shutdown Current pW1嘉泰姆

x SOP8 packagepW1嘉泰姆

   应用范围 返回TOPpW1嘉泰姆


x Cellular and Smart Phones pW1嘉泰姆

x Wireless and DSL Modems pW1嘉泰姆

x PDAs pW1嘉泰姆

x Portable Instruments pW1嘉泰姆

x Digital Still and Video Cameras pW1嘉泰姆

x PC CardspW1嘉泰姆

   技术规格书(产品PDF) 返回TOP pW1嘉泰姆


     需要详细的PDF规格书请扫一扫微信联系我们,还可以获得免费样品以及技术支持pW1嘉泰姆

 QQ截图20160419174301.jpgpW1嘉泰姆

产品封装图 返回TOPpW1嘉泰姆


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电路原理图 返回TOPpW1嘉泰姆


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