The CXSD6139 can provide up to 3A of load current with output voltage as low as 0.8V. It can operate at 100 duty cycle for low dropout application.With its peak current mode control and outside com

目录ujk嘉泰姆

1.产品概述       2.产品特点     3.应用范围      4.技术规格书下载（产品PDF文档） 
5.产品封装图</span>   6.电路原理图</span>  7.功能概述      8.相关产品ujk嘉泰姆

一,产品概述(General Description)      

   The CXSD6139 is a synchronous, 1.4MHz, fix frequency PWM Buck converter. ujk嘉泰姆

It is ideal for powering portable equipment that powered by a single cell ujk嘉泰姆

Lithium-ion batter, or USB port.ujk嘉泰姆

     The CXSD6139 can provide up to 3A of load current with output voltage ujk嘉泰姆

as low as 0.8V. It can operate at 100% duty cycle for low dropout application.ujk嘉泰姆

With its peak current mode control  and outside compensation, the CXSD6139 ujk嘉泰姆

is stable with ceramic capacitors and small inductors.ujk嘉泰姆

 CXSD6139 comprises a cycle-by-cycle current limit and thermal shutdownujk嘉泰姆

 to protect itself from  fault application.ujk嘉泰姆

      CXSD6139 is available in DFN 3x3 -10 package.ujk嘉泰姆

二.产品特点(Features)

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Adjustable Output Voltage, 0.8 - Vinujk嘉泰姆

High efficiency, up to 96%ujk嘉泰姆

Output voltage accuracy 2%ujk嘉泰姆

0.1ohm Rdson of internal MOSFETujk嘉泰姆

3A maximum output currentujk嘉泰姆

Up to 1.5MHz fix switching frequencyujk嘉泰姆

5.5V maximum operation voltageujk嘉泰姆

Short circuit protectionujk嘉泰姆

Thermal shutdown protectionujk嘉泰姆

10mV Load regulation at 3A loadujk嘉泰姆

Compatible with ceramic output capacitorujk嘉泰姆

Excellent load transient performanceujk嘉泰姆

In-rush current suppressionujk嘉泰姆

Reverse current suppression for light loadujk嘉泰姆

Available in DFN3x3-10 packageujk嘉泰姆

三,应用范围 (Applications)

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3G network modemujk嘉泰姆

Smart phone, PDAujk嘉泰姆

Digital cameraujk嘉泰姆

LCDTVujk嘉泰姆

Portable deviceSujk嘉泰姆

四.技术规格书下载（产品PDF）</span>

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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</span>！</span>ujk嘉泰姆

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五,产品封装图 (Package)

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六.电路原理图</span>

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七,功能概述
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Supply Input Voltage, VDD, PVDD -------------------------------------------------------------------------- -0.3V to 6V   ujk嘉泰姆

LX Pin Switch Voltage -------------------------------------------------------------------------- -0.3V to (PVDD + 0.3V)ujk嘉泰姆

Other I/O Pin Voltages ---------------------------------------------------------------------------- -0.3V to (VDD + 0.3V)   ujk嘉泰姆

LX Pin Switch Current ---------------------------------------------------------------------------------------------------- 3.5Aujk嘉泰姆

Power Dissipation, PD @ TA = 25°C ,DFN-10L 3x3 ----------------------------------------------------------- 900mWujk嘉泰姆

Package Thermal Resistance,DFN-10L3x3, θJA ------------------------------------------------------------- 110°C/Wujk嘉泰姆

Junction Temperature --------------------------------------------------------------------------------------------------- 150°C  ujk嘉泰姆

Lead Temperature (Soldering, 10 sec.) ----------------------------------------------------------------------------- 260°Cujk嘉泰姆

Storage Temperature Range ----------------------------------------------------------------------------- -65°C to 150°Cujk嘉泰姆

ESD HBM (Human Body Mode) ----------------------------------------------------------------------------------------- 2kujk嘉泰姆

八,相关芯片选择指南

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