CX8505 2.4A車充方案

                    CX8505-05- 5V2.4A車載充方案

                                                             整體方案描述：

                                                         1.DC輸入范圍4.75—30Vdc

                                                          2.DC輸出5V,2.4A

                                                          3. 效率>87%

                                                          4.滿足＂EPA_2.0＂能效要求

                                                          5.最大紋波＜80Mvp-p

                     特點

•                         2.4A輸出電流、3A峰值電流
•                         輸入電壓范圍4.75V～30V
•                         內部集成峰值4A功率MOSFET開關管
•                         輸出電壓在0.925V～20V間可調
•                         高達95%的效率
•                         可調整的軟啟動時間

           一、規格與參數

                   VIN=12V,  TA=25℃ （除非另有說明）

                 二、原理圖

        備注：C1最好使用電解電容

                                                                        圖2 應用原理圖