SY8088
Silergy
SY8088 High Efficiency 1.5MHz, 1A High Efficiency 1.5MHz, 1A by Silergy (SOT23-5 Type): datasheet PDF, pinout and specifications.
Voltage Regulators SOT23-5 Type
Silergy is a power-management IC company with roots in Silicon Valley and headquarters in Hangzhou, China. It designs high-efficiency DC-DC converters, LED drivers, battery chargers and power metering ICs.

SY8088 High Efficiency 1.5MHz, 1A High Efficiency 1.5MHz, 1A by Silergy (SOT23-5 Type): datasheet PDF, pinout and specifications.
SY8208CQNC Synchronous Step Down Regulator by Silergy (QFN3x3-10 Pin Type): datasheet PDF, pinout and specifications.