目录

1.产品概述    2.产品特点     4AQ嘉泰姆

3.应用范围    4.技术规格书下载（PDF文档）4AQ嘉泰姆

5.产品封装    6.电路原理图    7.相关产品4AQ嘉泰姆

产品概述                                             返回TOP

The CXAC8543 is a high performance AC/DC power supply controller for battery charger and adapter applications. The device uses Pulse Frequency Modulation(PFM) method to build discontinuous conduction mode (DCM) flyback power supplies. The CXAC8543 provides accurate constant voltage, constant current (CV/CC) regulation while removing the opto-coupler and secondary control circuitry. It also eliminates the need of loop compensation circuitry while maintaining stability. The CXAC8543 achieves excellent regulation and high average efficiency, yet meets the requirement for no-load consumption less than 30mW

产品特点     返回TOP

  Primary Side Control for Rectangular Constant Current and Constant Voltage Output

  Sub-microampere Start-up Current4AQ嘉泰姆

  30mW No-load Input Power Feasible4AQ嘉泰姆

  Tight CV Regulation Performance4AQ嘉泰姆

  Eliminates Opto-coupler and Secondary CV/CC Control Circuitry4AQ嘉泰姆

  Eliminates Control Loop Compensation Circuitry4AQ嘉泰姆

  Flyback Topology in DCM Operation4AQ嘉泰姆

  Random Frequency Modulation to Reduce System EMI4AQ嘉泰姆

  Built-in Soft Start4AQ嘉泰姆

  Open Feedback Protection4AQ嘉泰姆

  Short Circuit Protection4AQ嘉泰姆

  SOT23-5 Package4AQ嘉泰姆

应用范围                                             返回TOP

  Adapters/Chargers for Cell/Cordless Phones, PDAs, MP3 and Other Portable Apparatus            

    LED Drivers4AQ嘉泰姆

 Standby and Auxiliary Power Supplies4AQ嘉泰姆

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产品封装图                                               返回TOP

电路原理图                                               返回TOP

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