The CXSD6121 SwitchReg is a 1.5MHz constant fre-quency current mode PWM step-down converter,supply u
发表时间:2020-04-06
浏览次数:540

                          目录M80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)M80嘉泰姆

   5.产品封装      6.电路原理图     7.相关产品M80嘉泰姆

一.产品概述M80嘉泰姆


   The CXSD6121 SwitchReg is a 1.5MHz constant fre-quency current mode PWM step-down M80嘉泰姆

converter. It is ideal for portable equipment requiring very high current up to 2A from single-cellM80嘉泰姆

 Lithium-ion batteries  while still achieving over 90% efficiency during peak load condi-tions. M80嘉泰姆

The CXSD6121 also can run at 100%  duty cycle for low dropout operation, extendingM80嘉泰姆

 battery life in portable systems while light load operation  provides very low output ripple M80嘉泰姆

for noise sensitive applications.M80嘉泰姆

         The CXSD6121 can supply up to 2A output load current from a 2.5V to 5.5V input voltageM80嘉泰姆

 and the  output voltage can be regulated as low as 0.6V. The high switching fre-quency minimizesM80嘉泰姆

 the size of external components while keeping switching losses low. The internal slope M80嘉泰姆

compen-sation setting allows  the device to operate with smaller inductor values to optimizeM80嘉泰姆

 size and provide efficient operation.M80嘉泰姆

      The CXSD6121 is available with adjustable (0.6V to VIN) output voltage.M80嘉泰姆

二.产品特点M80嘉泰姆


· Input Voltage Range: 2.5V to 5.5VM80嘉泰姆

· Output Voltages from 0.6V to VINM80嘉泰姆

· 2A Output CurrentM80嘉泰姆

· High Efficiency: Up to 96%M80嘉泰姆

· 1.5MHz Constant Switching FrequencyM80嘉泰姆

· Low RDS(ON) Internal Switches: 0.13ΩM80嘉泰姆

· Allows Use of Ceramic CapacitorsM80嘉泰姆

· Current Mode Operation for Excellent Line and Load Transient ResponseM80嘉泰姆

· Short-Circuit and Thermal Fault ProtectionM80嘉泰姆

· Soft StartM80嘉泰姆

· Low Dropout Operation: 100% Duty CycleM80嘉泰姆

· Low Shutdown Current: ISHUTDOWN < 1μAM80嘉泰姆

· SOP8 PackageM80嘉泰姆

· -40°C to +125°C Temperature RangeM80嘉泰姆

三.应用范围M80嘉泰姆


·Cellular PhonesM80嘉泰姆

·Digital CamerasM80嘉泰姆

·DSP Core SuppliesM80嘉泰姆

·PDAsM80嘉泰姆

·Portable InstrumentsM80嘉泰姆

·Smart Phones    M80嘉泰姆

四.技术规格书(产品PDF)M80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M80嘉泰姆

 QQ截图20160419174301.jpgM80嘉泰姆

五.产品封装图M80嘉泰姆


 1-1511050RT4131.jpg M80嘉泰姆

六.电路原理图M80嘉泰姆


blob.png   M80嘉泰姆

七.相关芯片选择指南M80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