恒压/恒流模式同步降压型DC-DC变换器CC/CV Mode Synchronous Step-Down Converter CXSD62260是一款同步的恒压/恒流模式的降压型DC-DC变换器,可以提供高达4A的负载电流,具有很好的线性和负载调整率。CXSD62260的恒压/恒流模式都可以在宽输入电压范围4.5V~36V内稳定工作通过外部电阻调节来实现可编程的走线电压补偿

发布时间:2020-04-06 09:43:38 浏览次数:721 作者:嘉泰姆
摘要:恒压/恒流模式同步降压型DC-DC变换器CC/CV Mode Synchronous Step-Down Converter CXSD62260是一款同步的恒压/恒流模式的降压型DC-DC变换器,可以提供高达4A的负载电流,具有很好的线性和负载调整率。CXSD62260的恒压/恒流模式都可以在宽输入电压范围4.5V~36V内稳定工作通过外部电阻调节来实现可编程的走线电压补偿

目录

1.产品概述       2.产品特点     HQ5嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)</span>HQ5嘉泰姆

5.产品封装       6.电路原理图</strong>  HQ5嘉泰姆

7.相关产品HQ5嘉泰姆

   产品概述 返回TOPHQ5嘉泰姆


          CXSD62260是一款同步的恒压/恒流模式的降压型DC-DC变换器,可以提供高达4A的负载电流,具有很好的线性和负载调整率。CXSD62260的恒压/恒流模式都可以在宽输入电压范围4.5V~36V内稳定工作,CXSD62260可通过外部电阻调节来实现可编程的走线电压补偿,外部关断功能可以通过把COMP引脚电压下拉到0.14v以下来实现CXSD62260具有短路保护、过温等保护机制和间接的周期性电流限制,以确保芯片工作的安全性。芯片内部的软启电路有效减小了输入浪涌电流和启动时的输出过冲CXSD62260可以用SOP-8封装。The CXSD62260 is a synchronous step-down converter capable of driving 4A continuous load with excellent line and load regulation. The CXSD62260 operates in either CC (Constant Current) mode or CV (Constant Voltage) mode with an input voltage range from 4.5V to 36V. The CXSD62260 provides programmable cable compensation by adjusting external resistor divider. External shutdown function can be controlled by pulling COMP pin to a level below 0.14V. Fault protection includes secondary cycle-by-cycle current limit, short circuit protection and thermal shutdown. Internal soft-start minimizes the inrush supply current and the output overshoot at initial startup. The CXSD62260 is available in SOP-8 (EP) package.

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HQ5嘉泰姆

•输入电压范围:4.5V至36VHQ5嘉泰姆

•80KHz~800KHz的可选择开关频率</p>

•恒压/恒流模式控制HQ5嘉泰姆

•高达最大4A的输出电流</p>

•电压参考精度</p>

•的恒定电流精度</p>

•可编程的走线电压补偿HQ5嘉泰姆

•内部软启动</p>

•单pin控制外部补偿和关断</p>

•短路保护HQ5嘉泰姆

•间接的周期性电流限制</p>

•过温关断保护HQ5嘉泰姆

•SOP-8封装HQ5嘉泰姆

•符合RoHS规范及Pb-Free、Halogen-FreeHQ5嘉泰姆

z 4.5V to 36V Wide Input Operating Range HQ5嘉泰姆

z 80kHz~800kHz Switching Frequency Selection HQ5嘉泰姆

z CC/CV Mode Control z Up to 4A Output Current HQ5嘉泰姆

z +/- 1.5% Voltage Reference Accuracy HQ5嘉泰姆

z +/- 4% Constant Current Accuracy HQ5嘉泰姆

z Programmable Cable Compensation HQ5嘉泰姆

z Internal Soft Start HQ5嘉泰姆

z Single Pin to External Compensation and Shutdown Control HQ5嘉泰姆

z Hiccup Short Circuit Protection HQ5嘉泰姆

z Secondary Cycle-by-Cycle Current Limit HQ5嘉泰姆

z Thermal Shutdown HQ5嘉泰姆

z Available in SOP-8 (EP) Package HQ5嘉泰姆

z RoHS Compliant and 100% Lead(Pb)-Free Halogen-FreeHQ5嘉泰姆

   应用范围 返回TOPHQ5嘉泰姆


HQ5嘉泰姆

•汽车电子HQ5嘉泰姆

•有电流限制的DC-DC变换器</p>

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z Car Charger HQ5嘉泰姆

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