ABLIC Inc. IC REG CTRLR BUCK SOT23-5 S-8520D33MC-BVST2G

The S-8520D33MC-BVST2G is an electronic component, likely a semiconductor device or integrated circuit, with the model number S-8520D33MC and a specific variation denoted by the "-BVST2G" suffix. Unfortunately, without more context, it's difficult to provide further information on its function or application.