• [ CXLE87123 ]

样品申请

目录

1.产品概述       2.产品特点     Qar嘉泰姆

3.应用范围       4.技术规格书下载（PDF文档）Qar嘉泰姆

5.产品封装       6.电路原理图  Qar嘉泰姆

7.相关产品Qar嘉泰姆

   产品概述 返回TOPQar嘉泰姆

The CXLE87123 is a current-regulated charge pump idealfor powering high brightness LEDs for camera flash applications. The charge pump can be set to regulate two current levels for Flash and Torch modes.

The CXLE87123 automatically switches modes between step-up and step-down ensuring that LED current does not depend on the forward voltage. It switches at 2.2MHz, allowing the use of tiny components. The supply voltage ranges from 2.7V to 5.5V and is ideally suited for all applications powered by a single Li-ion battery cell or three to four NiCd, NiMH, or Alkaline battery cells.Qar嘉泰姆

The CXLE87123 also features a very low shutdown current, an automatic soft-start mode to limit inrush current, as well as over-current, over-voltage and over-temperature thermal shutdown control.Qar嘉泰姆

A low current-sense reference voltage (47mV) allowsthe use of small 0603 current sensing resistors.Qar嘉泰姆

The CXLE87123 is available in Green TDFN-3×3-10L package and is specified over an ambient temperature range of -40℃ to +85℃.Qar嘉泰姆

   产品特点 返回TOPQar嘉泰姆

• Output Current Up to 700mAQar嘉泰姆
• Up to 90% Efficiency in Torch ModeQar嘉泰姆
• Adjustable Flash Mode CurrentQar嘉泰姆
• 1× and 2× Automatic Modes for High EfficiencyQar嘉泰姆
• Input Voltage Range: 2.7V to 5.5VQar嘉泰姆
• Minimum External Components: No InductorsQar嘉泰姆
• High Frequency Operation: 2.2MHzQar嘉泰姆
• Low 47mV Reference for Low Loss SensingQar嘉泰姆
• I_Q < 1μa in shutdownQar嘉泰姆
< 1μa in shutdownQar嘉泰姆
• Built-In Soft-Start Limits Inrush CurrentQar嘉泰姆
• Low Input and Output Ripple and Low EMIQar嘉泰姆
• Output Over-Voltage ProtectionQar嘉泰姆
• Over-Current and Over-Temperature ProtectionQar嘉泰姆
• Available in Green TDFN-3×3-10L PackageQar嘉泰姆

   应用范围 返回TOPQar嘉泰姆

White LED Torch, Flash for CellQar嘉泰姆
Phones, DSCs and CamcordersQar嘉泰姆
White LED BacklightingQar嘉泰姆
Generic Lighting, Flash and Strobe ApplicationsQar嘉泰姆
General Purpose High Current BoostQar嘉泰姆

   技术规格书（产品PDF) 返回TOP Qar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！Qar嘉泰姆

 Qar嘉泰姆

产品封装图 返回TOPQar嘉泰姆

Qar嘉泰姆

电路原理图 返回TOPQar嘉泰姆

Qar嘉泰姆

相关芯片选择指南 返回TOP                                        更多同类产品......

◀ 上一篇:CXLE87122可调闪光模式电流1×和2×自动模式效率高电流调节电荷泵照相机闪光灯应用中的高亮度LED供电充电泵可设置为调节闪光灯和手电筒模式的两个电流水平由一个锂离子电池或三到四个镍镉镍氢或碱性电池供电应用

返回顶部

下一篇▶:CXLE87124双闪光灯LED输出手机摄像头模块或数码相机的大功率闪光LED的理想电源解决方案2兆赫升压型DC转换器单独的闪光模式和电影火炬模式每个通道最多可驱动1.5A或0.75A循环电感电流限制

共有条评论 用户名: 密码: 验证码: 匿名发表