CX8502-05- 5V2.1A车载充方案

                                                  整体方案描述：

                                                1.DC输入范围10—40Vdc

                                                2.DC输出5V,2.1A

                                                3. 效率>85V

                                               4.满足＂EPA_2.0＂能效要求

                                               5.最大纹波＜80Mvp-p

                                                                   图1.Demo实物图

                     特点

•                                  宽范围输入电压:10Vto40V
•                                  开关频率100KHz
•                                  充电电压精度±2%
•                                  充电电流精度±8％
•                                  线损补偿功能
•                                  短路保护功能
•                                  限流功能
•                                  8引脚SOP-8封装

          一、规格与参数

                （电路说明，TA =25℃，VIN=12V，VOUT=5V，除非另有说明。）

    二、原理图

                                                                                           图2 应用原理图

            2.2  Demo板结构示意图

         2.3  Demo板印制图

                                                        TOP View

                                                       Bottom View