This part is a kind of semiconductor called SY7208B.

Function of this product has 2A Step Up Regulator.

Manufacturers : Silergy

Image and pinout :

Some of the text within the PDF file :

SY7208/SY7208B High Efficiency 1MHz, 2A Step Up Regulator General Description The SY7208 and SY7208B are high efficiency boost regulators targeted for general step-up applications. SY7208B incorporates input over-voltage protection and turn off the regulator when the input voltage exceeds 7V. Features • • • • • • • • wide input range: 3-25V bias input, 25Vout max 1MHz switching frequency Minimum on time: 100ns typical Minimum off time: 100ns typical Low Rdson: 0.2ohm Programmable softstart: SY7208B 7V input OVP protection: SY7208B Accurate Reference: ο SY7208, 0.6VREF ο SY7208B: 1VREF • Compact package: SOT23 6 pins Ordering Information SY7208□(□□)□ Temperature Code C: - 40°C~85°C Package Code: AB: SOT23-6 Spec Code None: 0.6 VREF B: 1VREF Applications �� [ ... ]

SY7208B PDF Datasheet Download