4.0A输出电流输出电压12V高效率的降压型DC/DC变换器CXSD62343无传感器恒流控制效率高达95%

发布时间:2020-05-20 16:38:04 浏览次数:313 作者:oumao18 来源:嘉泰姆
摘要:CXSD62343是一种宽输入电压、高效率的降压型DC/DC变换器,工作于CV(恒压)或CC(恒流)模式。该装置包括基准电压源、振荡电路、误差放大器、集成大功率mos、pwm控制器和恒流控制器。CXSD62343 CXSD62344在125 KHz开关频率下提供高达4.0A的输出电流。CC消除了昂贵的,高精度的电流感应电阻,使其成为电池充电应用和具有精确电流限制的适配器的理想选择。
4.0A输出电流输出电压12V高效率的降压型DC/DC变换器CXSD62343无传感器恒流控制效率高达95%

目录

1.产品概述       2.产品特点     2xu嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)2xu嘉泰姆

5.产品封装       6.电路原理图  2xu嘉泰姆

7.相关产品2xu嘉泰姆

   产品概述 返回TOP2xu嘉泰姆


       CXSD62343 CXSD62344 is a wide input voltage, high efficiency step-down DC/DC converter which operates in either CV (Constant Voltage) mode or CC (Constant Current) mode. This device includes a reference voltage source, oscillation circuit, error amplifier, integrated high-side power mos, a pwm controller and a constant current controller. CXSD62343 CXSD62344 provides up to 4.0A output current at 125 KHz switching frequency. CC eliminates the expensive, high accuracy current sense resistor, making it ideal for battery charging applications and adaptors with accurate current limit. CXSD62343 CXSD62344achieves higher efficiency than traditional constant current switching regulators by eliminating its associated power loss. Standard protection features include cycle by cycle current limit, thermal shutdown, and frequency fold-back at short circuit. The devices are available in a SOP-8EP package and require few external devices for operation.

   产品特点 返回TOP2xu嘉泰姆


 40V Input Voltage Surge 2xu嘉泰姆

 32V Steady State Operation 2xu嘉泰姆

 4.0A output current 2xu嘉泰姆

 Output Voltage up to 12V 2xu嘉泰姆

 125kHz Switching Frequency Eases EMI Design 2xu嘉泰姆

 Sensor-less Constant Current Control 2xu嘉泰姆

 Resistor Programmable 2xu嘉泰姆

− Current Limit from 1.0A to 4.0A 2xu嘉泰姆

− Cable Compensation 2xu嘉泰姆

 ±5.0% CC Accuracy 2xu嘉泰姆

 ±2.5% Feedback Voltage Accuracy 2xu嘉泰姆

 Up to 95% Efficiency 2xu嘉泰姆

 Extra Features 2xu嘉泰姆

− Integrated Soft Start 2xu嘉泰姆

− Thermal Shutdown 2xu嘉泰姆

− Cycle-by-Cycle Current Limit 2xu嘉泰姆

− ISET Short Protection 2xu嘉泰姆

 SOP-8EP Package2xu嘉泰姆

   应用范围 返回TOP2xu嘉泰姆


 Car Charger/ Adaptor 2xu嘉泰姆

 Rechargeable Portable Devices 2xu嘉泰姆

 General-Purpose CC/CV Supply2xu嘉泰姆

   技术规格书(产品PDF) 返回TOP 2xu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2xu嘉泰姆

 QQ截图20160419174301.jpg2xu嘉泰姆

产品封装图 返回TOP2xu嘉泰姆


image.png2xu嘉泰姆

电路原理图 返回TOP2xu嘉泰姆

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