CX8507-05- 5V4.2A車載充方案

                                                     整體方案描述：

                                                   1.DC輸入范圍1.8—32Vdc

                                                   2.DC輸出5V,4.2A

                                                   3. 效率>85%

                                                   4.滿足＂EPA_2.0＂能效要求

                                                   5.最大紋波＜80Mvp-p

                                                                 圖1.Demo實物圖

                                           特點

•                                 可調輸出電壓范圍：+0.7V to +5.5V
•                                基準電壓0.7V
•                                溫度精度±1%
•                                輸入電壓范圍為+1.8V to +32V工作
•                                VCC電壓范圍-0.3-7V
•                               上電復位監控VCC腳
•                               良好的線路和負載瞬態響應
•                               PFM模式提高輕負載效率
•                               可選擇的PWM模式
•                               集成MOSFET驅動器
•                               TDFN‐10 3x3封裝

          一、規格與參數

                請參考典型應用電路。這些規范適用于VVCC=12V，TA = -40°C到85°C，除非另有說明。典型值是在TA = 25°

                                                                          圖2 應用原理圖

                 2.2  Demo板結構示意圖

      2.3  Demo板印制圖

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