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首页 > 产品中心 > 电源管理 > DC降压型转换器 > Buck降压型芯片 >PWM同步降压转换器CXSD6122,The device integrates a main switch and a synchronous rectifier for high efficie
PWM同步降压转换器CXSD6122,The device integrates a main switch and a synchronous rectifier for high efficie
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PWM同步降压转换器CXSD6122,The device integrates a main switch and a synchronous rectifier for high efficiency without an external Schottky diode. It is ideal for powering portable equipment that runs f

PWM同步降压转换器CXSD6122,The device integrates a main switch and a synchronous rectifier  for high efficie
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产品简介

                          目录mzu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(PDF文档)mzu嘉泰姆

   5.产品封装      6.电路原理图     7.相关产品mzu嘉泰姆

一.产品概述mzu嘉泰姆


  The CXSD6122 is a 1.5MHz constant frequency, slope compensated current mzu嘉泰姆

mode PWM stepdown converter. The device integrates a main switch and a mzu嘉泰姆

synchronous rectifier for high efficiency without an external Schottky mzu嘉泰姆

diode. It is ideal for powering portable equipment that runs from a mzu嘉泰姆

single cell lithium-Ion (Li+) battery. The CXSD6122 can supply 800mA mzu嘉泰姆

of load current from a 2.0V to 5.5V input voltage. The output voltage mzu嘉泰姆

can be regulated as low as 0.6V. The CXSD6122 can also run at 100% duty mzu嘉泰姆

cycle for low dropout operation, extending battery life in portable system. mzu嘉泰姆

Pulse Skipping Mode operation at light loads provides very low output ripple voltage for noise sensitive applications.mzu嘉泰姆

 The CXSD6122 is offered in a low profile (1mm) 5-pin, SOT package, and is mzu嘉泰姆

available in an adjustable version and fixed output voltage of 1.2V, 1.5V mzu嘉泰姆

and 1.8V.mzu嘉泰姆

二.产品特点mzu嘉泰姆


• High Efficiency: Up to 96% mzu嘉泰姆

• 1.5MHz Constant Switching Frequency mzu嘉泰姆

• 800mA Output Current at VIN=5V mzu嘉泰姆

• Integrated Main switch and synchronous rectifier. No Schottky Diode Required mzu嘉泰姆

• 2.0V to 5.5V Input Voltage Range mzu嘉泰姆

• Output Voltage as Low as 0.6V mzu嘉泰姆

• 100% Duty Cycle in Dropout mzu嘉泰姆

• Low Quiescent Current: 270μA mzu嘉泰姆

• Slope Compensated Current Mode Control for Excellent Line and Load Transient Response • Short Circuit Protection mzu嘉泰姆

• Thermal Fault Protection mzu嘉泰姆

•<1μA Shutdown Currentmzu嘉泰姆

• Space Saving 5-Pin SOT23 package Output voltage adjustable(输出电压可调)mzu嘉泰姆

三.应用范围mzu嘉泰姆


• Cellular and Smart Phonesmzu嘉泰姆

• Microprocessors and DSP Core Suppliesmzu嘉泰姆

• Wireless and DSL Modemsmzu嘉泰姆

• PDAsmzu嘉泰姆

• MP3 Player mzu嘉泰姆

• Digital Still and Video Cameras mzu嘉泰姆

• Portable Instruments    mzu嘉泰姆

四.技术规格书(产品PDF)mzu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mzu嘉泰姆

 QQ截图20160419174301.jpgmzu嘉泰姆

五.产品封装图mzu嘉泰姆


  1-1511050RT4131.jpgmzu嘉泰姆

六.电路原理图mzu嘉泰姆


   blob.pngmzu嘉泰姆

七.相关芯片选择指南mzu嘉泰姆

系列名称 输入电压 (V)   输出电压 (V)     最大输出电流 (mA) 特点
最小 最大 最小 标准 最大  
CXSD6118 2.5V 5.5V    可调     2000 PWM同步降压转换器:效率95%以上
CXSD6121 2.5V  5.5V   可调     2000 PWM同步降压转换器:效率95%以上
CXSD6119 2.5V 5.5V    可调   1000  PWM同步降压转换器:效率95%以上
CXSD6122 2.5V 5.5V     可调    800 PWM同步降压转换器:效率95%以上
CXSD6120 2.5V  5.5V 1.75    1.86   600 PWM同步降压转换器:效率95%以上
CXSD6115 2.5V  5.5V  1.75    1.86 600  PWM同步降压转换器:效率95%以上
CXSD6116 2.5V 5.5V    可调    600  PWM同步降压转换器:效率95%以上
CXSD6117 2.5V 5.5V    可调    600  PWM同步降压转换器:效率95%以上