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首页 > Products > Power Management > DC/DC Step-Down Converter > Dual Step-Down Converter >Cxsd6218 composite power management chip, which can provide two low-noise high-speed LDOS and one DC-DC buck with 95% efficiency. Due to the CMOS technology the working current consumption
Cxsd6218 composite power management chip, which can provide two low-noise high-speed LDOS and one DC-DC buck with 95% efficiency. Due to the CMOS technology the working current consumption

Cxsd6218 is a composite power management chip, which can provide two low-noise high-speed LDOS and one DC-DC buck with 95% efficiency. Due to the CMOS technology, the working current consumption of the chip is very small, and the low on state resistance is used inside, so that the output capacity of LDO can reach 300mA, and the load capacity of DC-DC can reach 800mA. There are load short circuit protection, temperature protection, over-current protection and other complete protection systems inside, which ensure the safety performance of the chip. The chip adopts dfn3 ?3-10l and other small packages, which is convenient for high-density installation

Cxsd6218 composite power management chip, which can provide two low-noise high-speed LDOS and one DC-DC buck with 95% efficiency. Due to the CMOS technology the working current consumption
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目录2nP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(产品PDF文档) 2nP嘉泰姆
5.产品封装图   6.电路原理图  7.功能概述      8.相关产品2nP嘉泰姆

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一,产品概述(General Description)      2nP嘉泰姆
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         CXSD6218是一颗复合电源管理芯片,它可以同时提供二路低噪声高速LDO和一路效率达到95%的DC-DC降压。由于采用CMOS工艺实现,该芯片的工作消耗电流很小,内部采用低通态电阻,使得LDO的输出能力可以达到300mA,DC-DC的负载能力可以达到800mA。内部具有负载短路保护,温度保护,过流保护等完备的保护系统,使得芯片的安全性能得到保障。该芯片采用DFN3×3-10L等小型封装,便于高密度安装。2nP嘉泰姆
二.产品特点(Features)2nP嘉泰姆
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高精度:LDO的输出精度可以达到±2%;DC-DC的输出精度可以达到±2.5% 2nP嘉泰姆
大输出电流:LDO可以达到300mA/路;DC-DC的输出电流可以达到800mA 2nP嘉泰姆
完备的保护:温度保护、过流保护、负载短路保护 2nP嘉泰姆
高PSRR:70dB@(1KHz,50mA)(LDO) 2nP嘉泰姆
小电流:芯片的静态功耗约为150μA 2nP嘉泰姆
小关断电流:小于0.1μA 2nP嘉泰姆
无铅封装 2nP嘉泰姆
三,应用范围 (Applications)2nP嘉泰姆
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手机等手持式电子产品 2nP嘉泰姆
DVD 2nP嘉泰姆
锂电池供电的电源设备2nP嘉泰姆
四.技术规格书下载(产品PDF)2nP嘉泰姆
2nP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2nP嘉泰姆

 QQ截图20160419174301.jpg2nP嘉泰姆

五,产品封装图 (Package)2nP嘉泰姆
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引脚编号2nP嘉泰姆

引脚名称2nP嘉泰姆

描述2nP嘉泰姆

102nP嘉泰姆

VOUT12nP嘉泰姆

LDO1 输出端(低输出电压端)2nP嘉泰姆

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LDO 的全局使能,高电平有效,低电平关闭2nP嘉泰姆

82nP嘉泰姆

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LDO2 输出端(高输出电压端)2nP嘉泰姆

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DC-DC 降压输出电阻网络反馈端2nP嘉泰姆

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DC-DC 输入端2nP嘉泰姆

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LDO 的电源输入端2nP嘉泰姆

六.电路原理图2nP嘉泰姆
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七,功能概述2nP嘉泰姆
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类型:单路DC-DC降压+双路LDO 2nP嘉泰姆
双路LDO:输入2.0-10.0V,Iout=300mA,Iss=70uA,PSRR=70dB@1KHz 2nP嘉泰姆
DC-DC:输入2.0-6.0V,Iout=600mA,f=1.2MHz,效率高达92%,输出电压可调 2nP嘉泰姆
封装形式:DFN3*3-10L2nP嘉泰姆
八,相关芯片选择指南2nP嘉泰姆
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产品名称2nP嘉泰姆

产品描述2nP嘉泰姆

基本参数2nP嘉泰姆

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锂电池充电管理:PWM控制DC-DC拓扑,充电电流可达2A;DC-DC升压:输入1.6V-6.0V,Iout=1.5A,效率最高可达95%;4段锂电池电量显示功能;手电功能及单键控制功能2nP嘉泰姆

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双路LDO:输入2.0-10.0V,Iout=300mA,Iss=70uA,PSRR=70dB@1KHz   ;DC-DC:输入2.0-6.0V,Iout=600mA,f=1.2MHz,效率高达92%,输出电压可调2nP嘉泰姆

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