XC9133B02AMR-G
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XC9133B02AMR-G

  • Category:converter
  • Product Name:Boost DC/DC converter - backlit LED driver
  • Manufacturers:TOREX
  • Production Batch Number:12+
  • Encapsulation:SOT25
  • Stock Status:There is stock
  • Stock Quantity:2000
  • Minimum order quantity: 1
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  • Product introduction

XC9133B02AMR-G 升压DC/DCconverter- Backlit LED driver

XC9133系列是一款具有固定工作频率,恒定输出电流的升压型 DC/DC转换器芯片,非常适合作为移动电话, PDA, 数码相机等电子设备的背光LED的驱动。
XC9133系列的输出电压可达到17.5V。当输入电压为3.2V时,XC9133系列芯片可驱动4个串连的LED。当输入电压为2.5V时,XC9133系列芯片可驱动双列并联的LED,其中每列串联3个LED。
在XC9133系列的CE引脚上加一组PWM控制的信号可控制LED的亮度。XC9133系列有高达1.0MHz的工作频率,并且有很低的参考电压,极大的降低了功耗,具有很高的效率。
另外, XC9133系列内置一个导通电阻2.0Ω的功率开关管,并且只用一个容值非常小的陶瓷电容(0.22uF)作为负载电容。
XC9133系列还内置一个故障检测电路。当输出电压过高时,通过反馈低电路, 芯片内部的功率开关管会停止工作,可防止损坏LED。

peculiarity

Input voltage range 2.5V~6.0V
Input voltage range It can reach 17.5V
Oscillation frequency 1.0MHz±20%
通道电阻 2.4Ω
efficiency 85%, VIN=3.6V, ILED=20mA
control PWM
Standby current ISTB=1.0μA (MAX.)
Low ESR capacitance 0.22μF, 陶瓷电容
Lx限流 360mA(TYP.)
Lx有过压限制 19V (TYP.)
encapsulation SOT-25

Microchip 100-year electronic technology --- professionalsensorexpert

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XC9133B02AMR-G TOREX 12+ SOT25 Boost DC/DC converter - backlit LED driver

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