CXLE8132

CXLE8132是一种升压型DC/DC转换器,设计用于从锂离子电池串联驱动多达六个LED。LED的串联提供相同的LED电流,并消除对镇流器电阻器的需求。这些器件集成了竞争设备外部所需的肖特基二极管。其他功能包括LED断开时的输出电压限制、单脚关机和调光控制。CXLE8132具有内部软启动。CXLE8132开关频率为1.2兆赫,允许使用微型外部组件。恒频开关导致低输入噪声和小输出电容。4、6或8个LED应用只需要0.22μF
固有匹配LED电流
从3.6V电源驱动多达8个LED
不需要外部肖特基二极管
1.2兆赫开关频率
自动软启动
开放式LED保护
高效:81%
只需要0.22mF输出电容器

CXLE8132升压型DC转换器锂离子电池串联驱动多达六个LED相同的LED电流从3.6V电源驱动多达8个LED自动软启动输出电压限制单脚关机和调光控制

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   产品概述 返回TOPVYU嘉泰姆


         The CXLE8132 IS step-up DC/DC converters designed to drive up to six LEDs in series from a Li-Ion cell.Series connection of the LEDs provides identical LED currents and eliminates the need for ballast resistors.These devices integrate the Schottky diode required exter-nally on competing devices. Additional features include output voltage limiting when LEDs are disconnected, one-pin shutdown and dimming control. The CXLE8132  has internal soft-start.VYU嘉泰姆
     The CXLE8132 switches at 1.2MHz, allowing the use of tiny external components. Constant frequency switching results in low input noise and a small output capacitor.Just 0.22μF is required for 4-, 6- or 8-LED applications.VYU嘉泰姆
     The CXLE8132 is available in low profile(1mm)6-lead

   产品特点 返回TOPVYU嘉泰姆


 Inherently Matched LED CurrentVYU嘉泰姆
Drives Up to 8 LEDs from a 3.6V SupplyVYU嘉泰姆
No External Schottky Diode RequiredVYU嘉泰姆
1.2MHz Switching FrequencyVYU嘉泰姆
Automatic Soft-StartVYU嘉泰姆
Open LED ProtectionVYU嘉泰姆
High Efficiency: 81%VYU嘉泰姆
Requires Only 0.22mF Output CapacitorVYU嘉泰姆
Low Profile (1mm) SOT-23 PackagingVYU嘉泰姆

   应用范围 返回TOPVYU嘉泰姆


Cellular PhonesVYU嘉泰姆
PDAs, Handheld ComputersVYU嘉泰姆
Digital CamerasVYU嘉泰姆
MP3 PlayersVYU嘉泰姆
GPS ReceiversVYU嘉泰姆

   技术规格书(产品PDF) 返回TOP VYU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VYU嘉泰姆

 QQ截图20160419174301.jpgVYU嘉泰姆

产品封装图 返回TOPVYU嘉泰姆


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电路原理图 返回TOPVYU嘉泰姆


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