This part is a kind of semiconductor called SY8088.
Function of this product has 1A Synchronous Step Down Regulator.
Manufacturers : Silergy
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Application Notes: AN_SY8088 High Efficiency 1.5MHz, 1A Synchronous Step Down Regulator Preliminary Specification General Description SY8088 is a high efficiency 1.5MHz synchronous step down DC/DC regulator IC capable of delivering up to 1A output current. It can operate over a wide input voltage range from 2.5V to 5.5V and integrate main switch and synchronous switch with very low RDS (ON) to minimize the conduction loss. Ordering Information SY8088 □(□□)□ Temperature Code Package Code Optional Spec Code Temperature Range: -40°C to 85°C Ordering Number Package Type Note SY8088AAC SOT23-5 1A Features • Low RDS(ON) for internal switches (top/bottom) 260mΩ/170mΩ • 2.5~5.5V input voltage range • 40µA typical quiescent current • High light load efficiency • Hig [ ... ]