4A连续负载同步降压型变换器4.5V到30V宽输入电压80KHz到800KHz的的开关频率可调CXSD62261可编程电缆补偿CC/CV的模式控制
发表时间:2020-05-12
浏览次数:11

目录

1.产品概述       2.产品特点     rk7嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)rk7嘉泰姆

5.产品封装       6.电路原理图  rk7嘉泰姆

7.相关产品rk7嘉泰姆

   产品概述 返回TOPrk7嘉泰姆


      CXSD62261是一款能够驱动4A连续负载并带有优良线性和负载调整率的的同步降压型变换器。CXSD62261的输入电压范围是4.5V到30V,它可工作在CC(恒流)模式下或CV(恒压)模式下。CXSD62261通过调节外部的电阻分压器提供了可编程的电缆补偿。可将COMP pin拉低至小于0.14V来实现外部关断功能。故障保护包括电流限制,短路保护和热关断。内部软启动系统能够在芯片启动过程实现小的浪涌电流和输出过冲。CXSD62261采用的是SOP-8(EP)封装。The CXSD62261 is a synchronous step-down converter capable of driving 4A continuous load with excellent line and load regulation. The CXSD62261 operates in either CC (Constant Current) mode or CV (Constant Voltage) mode with an input voltage range from 4.5V to 30V. The CXSD62261 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 CXSD62261 is available in SOP-8 (EP) package.

   产品特点 返回TOPrk7嘉泰姆


 rk7嘉泰姆

•4.5V到30V宽输入电压范围rk7嘉泰姆

•80KHz到800KHz的的开关频率可调rk7嘉泰姆

•CC/CV的模式控制rk7嘉泰姆

•达到4A的输出电流rk7嘉泰姆

•+/- 1.5% 电压基准精度rk7嘉泰姆

•+/-4%的恒流精度rk7嘉泰姆

•可编程电缆补偿rk7嘉泰姆

•内置的软启动rk7嘉泰姆

•单引脚复用外部补偿及关断控制rk7嘉泰姆

•打嗝模式的短路保护rk7嘉泰姆

•二级电流限制rk7嘉泰姆

•热关断rk7嘉泰姆

•SOP-8(EP)封装rk7嘉泰姆

•符合RoHS规范及Pb-Free rk7嘉泰姆

4.5V to 30V Wide Input Operating Range  rk7嘉泰姆

80kHz~800kHz Switching Frequency Selection  rk7嘉泰姆

CC/CV Mode Control  rk7嘉泰姆

Up to 4A Output Current  rk7嘉泰姆

+/- 1.5% Voltage Reference Accuracy  rk7嘉泰姆

+/- 4% Constant Current Accuracy  rk7嘉泰姆

Programmable Cable Compensation  rk7嘉泰姆

Internal Soft Start  rk7嘉泰姆

Single Pin to External Compensation and Shutdown Control  rk7嘉泰姆

Hiccup Short Circuit Protection  rk7嘉泰姆

Secondary Cycle-by-Cycle Current Limit  rk7嘉泰姆

Thermal Shutdown  rk7嘉泰姆

Available in SOP-8 (EP) Package  rk7嘉泰姆

RoHS Compliant and 100% Lead(Pb)-Free Halogen-Freerk7嘉泰姆

   应用范围 返回TOPrk7嘉泰姆


 rk7嘉泰姆

•汽车充电rk7嘉泰姆

•便携式充电应用rk7嘉泰姆

•带有电流限制的DC/DC转换器 rk7嘉泰姆

Car Charger  rk7嘉泰姆

Portable charger applications  rk7嘉泰姆

DC/DC converters with current limitedrk7嘉泰姆

   技术规格书(产品PDF) 返回TOP rk7嘉泰姆


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电路原理图 返回TOPrk7嘉泰姆

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0.925rk7嘉泰姆

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