SY8089 PDF datasheet can download.
This product has Synchronous Step Down Regulator functions.
This is one of the semiconductor types. This part name is SY8089.
Manufacturers of the product is Silergy.
Image and pinout :
Some of the text files within the PDF file
Application Note: AN_SY8089/SY8089A High Efficiency 5.5V, 2A continuous, 3A peak, 1MHz Synchronous Step Down Regulator General
The SY8089 and SY8089A are high-efficiency, high frequency synchronous step-down DC-DC regulator IC capable of delivering up to 2A output current. The SY8089 and SY8089A operate over a wide input voltage range from 2.7V to 5.5V and integrate main switch and synchronous switch with very low RDS(ON) to minimize the conduction loss. Low output voltage ripple and small external inductor and capacitor sizes are achieved with greater than 1MHz switching frequency. SY8089 integrates short circuit and over-voltage latch off protection. Ordering Information SY8089 □(□□)□ Temperature Code Package Code Optional Spec Code Temperature Range: -40°C to 85°C Ordering Number Package type SY8089AAC SOT23-5 SY8089AAAC SOT23-5 Note Features • Low RDS(ON) for internal switches (top/bottom):110mΩ/80mΩ • 2.7-5.5V input voltage range • 2A c [ … ]
Please refer to the file for details.