This part is a kind of semiconductor called AS2880.

Function of this product has 8A Low Dropout Voltage Regulator Adjustable & Fixed 3.3V.

Manufacturers : Alpha Semiconductor

Image and pinout :

Some of the text within the PDF file :

α ALPHA AS2880WWWWWWWWW.W1WW.W1WW.W01WW.0W01WW.F••PTefTdrOC•••••fmToY0W01WlreWxepoohhh.oAOLECSSERYga0W.0nR1tsWeWweeeCmexti.usoxiAuYdur0W.A0am1OuWgrWiDlaCwsAtrA.jtlAnnOmYaTS0rnW.0tu1ptrWi+WTeC3iadDtiS.ew,lLE2OYsSuO0nWou.Do01Wma5Ml-WanCt28iU.tPt2PrOmnpYrtUa0VW.R0rr1roW-tMh8W8eCC8Hd,breo.2IrOtYR0W.0&8l01foWMCeosN8WtIlpa12Cyau.At3hOe0YAcif0.W.0cN0n1oWo.M0EWsrTIeC-eTt5e.TTOYrdOo0u.tnUW.0iT1rWMsWSoeGTsCSr3ohWli.tdvOYsy0.We.u0otgnp1WreMDW.fTeCoiouVoW.sr3OtfafYhtomn0.W.01rWoMpmfsWIleTCVdEWtm.osttogtfOrYt0.Wu.0Nri1ohWsMi,eWrTliCLffcsSEW.ttO.StYanyie0.Wr.0w1iWaoMxsasWFT8oCelvxDW.aOeuYfCne0.gnW.A0ES1OWAhdMaWdleucTLCOtpW.deodOYd0.tiW.0e1SWlLRMoWpaipiTctCawulW.MOlnmuYh0.RW.20nha1toWlnMelRcWTtCIeinW.eeppOn8IYdrw0.dWt.0aei1WMPsiMWNuTnoaCrtd5.Wa.nsoOtYtW0.itWo.013WIrnnMcoiW,r0TnTTCCcDuvW.nL [ ... ]

AS2880 PDF Datasheet Download