升压型LED背光/照明驱动电路(Step-up White LED Driver )CXLE8149 CXLE8150 step-up converter designed for driving up to 7 series white LED's from a single cell Lithium Ion battery. Its low 250mV feedback voltage r

   产品概述 返回TOPFYS嘉泰姆

      CXLE8149 CXLE8150 is a step-up converter designed for driving up to 7 series white LED's from a single cell Lithium Ion battery. Its low 250mV feedback voltage reduces power loss and improves efficiency. Optimized operation frequency can meet the requirement of small LC filters value and low operation current with high efficiency. Internal soft start function can reduce the inrush current. Tiny package type provides the best solution for PCB space saving and total BOM cost. CXLE8149 CXLE8150 is available in SOT23-6 package that is PB free.

   产品特点 返回TOPFYS嘉泰姆

 2.5V to 5.5V Input Voltage FYS嘉泰姆

 Drivers up to 8 Series WLEDs FYS嘉泰姆

 Low 250mV Feedback Voltage FYS嘉泰姆

 1.2MHz Fixed Switching Frequency FYS嘉泰姆

 Internal 1.6A Switch Current Limit FYS嘉泰姆

 Internal Compensation FYS嘉泰姆

 Thermal Shutdown FYS嘉泰姆

 Over Voltage Protection FYS嘉泰姆

 Dimming with wide Frequency Range FYS嘉泰姆

 Available in SOT23-6 PackageFYS嘉泰姆

   应用范围 返回TOPFYS嘉泰姆

 Camera Flash White LED FYS嘉泰姆

 PDA LED back light FYS嘉泰姆

 Digital still camerasFYS嘉泰姆

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