40V输入电压2.5A输出电流125kHz开关频率CXSD62345高效率的降压型DC/DC变换器效率高达95%

发布时间:2020-05-20 16:37:46 浏览次数:306 作者:oumao18 来源:嘉泰姆
摘要:CXSD62345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。CXSD62345 CXSD62346在125kHz开关频率下提供高达2.5A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。
40V输入电压2.5A输出电流125kHz开关频率CXSD62345高效率的降压型DC/DC变换器效率高达95%

目录

1.产品概述       2.产品特点     u4h嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)u4h嘉泰姆

5.产品封装       6.电路原理图  u4h嘉泰姆

7.相关产品u4h嘉泰姆

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      CXSD62345 CXSD62346 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. CXSD62345 CXSD62346 provides up to 2.5A output current at 125kHz switching frequency. CC eliminates the expensive, high accuracy current sense resistor, making it ideal for battery charging applications and adaptors with accurate current limit. CCXSD62345 CXSD62346achieves 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TOPu4h嘉泰姆


 40V Input Voltage Surge u4h嘉泰姆

 32V Steady State Operation u4h嘉泰姆

 2.5A output current u4h嘉泰姆

 Output Voltage up to 12V u4h嘉泰姆

 125kHz Switching Frequency Eases EMI Design u4h嘉泰姆

 Sensor-less Constant Current Control u4h嘉泰姆

 Resistor Programmable u4h嘉泰姆

− Current Limit from 1.0A to 3A u4h嘉泰姆

− Cable Compensation from 0Ω to 0.3Ω u4h嘉泰姆

 ±5.0% CC Accuracy u4h嘉泰姆

 ±2.5% Feedback Voltage Accuracy u4h嘉泰姆

 Up to 95% Efficiency u4h嘉泰姆

 Extra Features u4h嘉泰姆

− Integrated Soft Start u4h嘉泰姆

− Thermal Shutdown u4h嘉泰姆

− Cycle-by-Cycle Current Limit u4h嘉泰姆

− ISET Short Protection u4h嘉泰姆

 SOP-8EP Packageu4h嘉泰姆

   应用范围 返回TOPu4h嘉泰姆


 Car Charger/ Adaptor u4h嘉泰姆

 Rechargeable Portable Devicesu4h嘉泰姆

 General-Purpose CC/CV Supplyu4h嘉泰姆

   技术规格书(产品PDF) 返回TOP u4h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u4h嘉泰姆

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产品封装图 返回TOPu4h嘉泰姆


image.pngu4h嘉泰姆

电路原理图 返回TOPu4h嘉泰姆

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