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目录lG1嘉泰姆

1.产品概述                       2.产品特点lG1嘉泰姆
3.应用范围                       4.下载产品资料PDF文档 lG1嘉泰姆
5.产品封装图                     6.电路原理图                   lG1嘉泰姆
7.功能概述                        8.相关产品lG1嘉泰姆

一,产品概述(General Description)      lG1嘉泰姆
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   The CXLB7201 CXLB7201B is a complete constant-current constant-voltagelG1嘉泰姆

 linear charger for single cell lithium-ion batteries. Its package and low external lG1嘉泰姆

component count make the CXLB7201 CXLB7201B ideally suitedfor portable applications.Furthermore,theCXLB7201 CXLB7201B is specifically lG1嘉泰姆

designed to work within USB power specifications.No external sense resistor is lG1嘉泰姆

needed, and no blocking diode is required due to the internal MOSFET lG1嘉泰姆

architecture. The charge voltage isfixed at 4.2V, and the charge current can lG1嘉泰姆

be programmed externally with a single resistor.lG1嘉泰姆
     The CXLB7201 CXLB7201B automatically terminates the charge cycle when lG1嘉泰姆

the charge current drops to 1/10th the programmed value after the final float lG1嘉泰姆

voltage is reached.lG1嘉泰姆
    The CXLB7201 CXLB7201B converters are available in the industry standardlG1嘉泰姆

 SOT-23-5L power packages (or upon request).lG1嘉泰姆
二.产品特点(Features)lG1嘉泰姆
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Programmable Charge Current up to 700mAlG1嘉泰姆
No MOSFET, Sense Resistor or Blocking Diode RequiredlG1嘉泰姆
Constant-Current/Constant-Voltage Operation with Thermal Regulation to lG1嘉泰姆
     Maximize Charge RatelG1嘉泰姆
Charges Single Cell Li-Ion Batteries Directly from USB PortlG1嘉泰姆
Preset 4.2V Charge Voltage with 1% AccuracylG1嘉泰姆
Automatic RechargelG1嘉泰姆
2.9V Trickle Charge ThresholdlG1嘉泰姆
Available in 5-Lead SOT-23 PackagelG1嘉泰姆
三,应用范围 (Applications)lG1嘉泰姆
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Charger for Li-Ion Coin Cell BatterieslG1嘉泰姆
Portable MP3 Players, Wireless HeadsetslG1嘉泰姆
Bluetooth ApplicationslG1嘉泰姆
Multifunction WristwatcheslG1嘉泰姆
四.技术规格书下载（产品PDF）lG1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！lG1嘉泰姆

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五,产品封装图 (Package)lG1嘉泰姆
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六.电路原理图lG1嘉泰姆
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七,功能概述lG1嘉泰姆
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Input Supply Voltage (VCC) ........................................................................................... -0.3V ～ 7VlG1嘉泰姆
PROG.............................................................................................................. -0.3V ～ VCC + 0.3VlG1嘉泰姆
BAT, CHRG.................................................................................................................... -0.3V ～ 7VlG1嘉泰姆
BAT Pin Current ..................................................................................................................... 800mAlG1嘉泰姆
Maximum Junction Temperature............................................................................................. +150℃lG1嘉泰姆
Operating Ambient Temperature Range (Note 2)......................................................-40℃ ～ +85℃lG1嘉泰姆
Storage Temperature Range …………………………………………….................. -65℃ ～ +125℃lG1嘉泰姆
Lead Temperature (Soldering, 10 sec)................................................................................... +265℃lG1嘉泰姆
八,相关芯片选择指南              更多同类产品......lG1嘉泰姆

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