CX8505 2.4A车充方案

                    CX8505-05- 5V2.4A车载充方案

                                                             整体方案描述：

                                                         1.DC输入范围4.75—30Vdc

                                                          2.DC输出5V,2.4A

                                                          3. 效率>87%

                                                          4.满足＂EPA_2.0＂能效要求

                                                          5.最大纹波＜80Mvp-p

                     特点

•                         2.4A输出电流、3A峰值电流
•                         输入电压范围4.75V～30V
•                         内部集成峰值4A功率MOSFET开关管
•                         输出电压在0.925V～20V间可调
•                         高达95%的效率
•                         可调整的软启动时间

           一、规格与参数

                   VIN=12V,  TA=25℃ （除非另有说明）

                 二、原理图

        备注：C1最好使用电解电容

                                                                        图2 应用原理图