DC-DC降压芯片 （LCD TV 驱动方案/车载AV 驱动方案）应用： MP1482 ，MP1484，MP1410，ACT4060ASH。 MP1482 Features . 2A output current . 0.22Ω internal power mosfet switch stable with low esr output ceramic capacitors . Wide 4.75 to 23V operating Input range . Up to 95% efficiency . Programmable Soft-Start . Stable with low Esr ceramic output capacitors . Fixed 400khz Frequency . Cycle-by-cycle Over current Protection . Thermally Enhanced 8-pin SOIC Pakage MP1484： Features . 3A output current . Wide 4.75 to 23V operating Input range . Integrated 100mΩ power mosfet switches . Up to 95% efficiency . Fixed 400khz Frequency . Cycle-by-cycle Over current Protection . Output Adjustalble from 0.952v to 20v .Input under voltage lockout .Thermally Enhanced 8-pin Soic package . Programmable Soft-start . Stable with low Esr ceramic output capacitors