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目录wd0嘉泰姆

1.产品概述                       2.产品特点wd0嘉泰姆
3.应用范围                       4.下载产品资料PDF文档 wd0嘉泰姆
5.产品封装图                     6.电路原理图                   wd0嘉泰姆
7.功能概述                        8.相关产品wd0嘉泰姆

一,产品概述(General Description)      wd0嘉泰姆
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   The CXLB7202C CXLB7202 is a complete constant-current/constant voltagewd0嘉泰姆

 linear charger for  single cell lithium-ion batteries. Its package and low external wd0嘉泰姆

component count make the CXLB7202C CXLB7202 ideally suited for portable applications.Furthermore, theCXLB7202C CXLB7202 is specifically designed to wd0嘉泰姆

work within USB power specifications. No external sense resistor is needed, andwd0嘉泰姆

no blocking diode is required due to the internal MOSFET architecture. The wd0嘉泰姆

charge voltage is fixed at 4.2V, and the charge current can be programmed wd0嘉泰姆

externally with a single resistor.wd0嘉泰姆
    The CXLB7202C CXLB7202 automatically terminates the charge cycle whenwd0嘉泰姆

the charge current drops to 1/10th the programmed value after the final float wd0嘉泰姆

voltage is reached.wd0嘉泰姆
     The CXLB7202C CXLB7202 converters are available in the industry standardwd0嘉泰姆

 DFN3*3-10L power packages (or upon request).wd0嘉泰姆
二.产品特点(Features)wd0嘉泰姆
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Programmable Charge Current up to 800mAwd0嘉泰姆
No MOSFET, Sense Resistor or Blocking Diode Requiredwd0嘉泰姆
Constant-Current/Constant-Voltagewd0嘉泰姆
Operation with Thermal Regulation to Maximize Charge Ratewd0嘉泰姆
Without Risk of Overheatingwd0嘉泰姆
Charges Single Cell Li-Ion Batterieswd0嘉泰姆
Directly from USB Portwd0嘉泰姆
Preset 4.2V Charge Voltage with 1%Accuracywd0嘉泰姆
Automatic Rechargewd0嘉泰姆
2.9V Trickle Charge Thresholdwd0嘉泰姆
Available in DFN3*3-10L Packagewd0嘉泰姆
三,应用范围 (Applications)wd0嘉泰姆
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Charger for Li-Ion Coin Cell Batterieswd0嘉泰姆
Portable MP3 Players, Wireless Headsetswd0嘉泰姆
Bluetooth Applicationswd0嘉泰姆
Multifunction Wristwatcheswd0嘉泰姆
四.技术规格书下载（产品PDF）wd0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！wd0嘉泰姆

 wd0嘉泰姆

五,产品封装图 (Package)wd0嘉泰姆
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六.电路原理图wd0嘉泰姆
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七,功能概述wd0嘉泰姆
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Input Supply Voltage (VIN)…...…………....................................................................... –0.3V ～ 7Vwd0嘉泰姆
CHRG1, CHRG2 .......................................................................................... –0.3℃ ～ VIN + 0.3Vwd0嘉泰姆
VOUT, ISET................................................................................................................... –0.3V ～ 7Vwd0嘉泰姆
VOUT Pin Current .................................................................................................................. 800mAwd0嘉泰姆
Maximum Junction Temperature .......................................................................................... +150℃wd0嘉泰姆
Operating Ambient Temperature Range (Note 2)................................................... –40℃ ～ +85℃wd0嘉泰姆
Storage Temperature Range …………………………………………….................. –65℃ ～ +125℃wd0嘉泰姆
Lead Temperature (Soldering, 10 sec)................................................................................. +265℃wd0嘉泰姆
八,相关芯片选择指南wd0嘉泰姆
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