Function 
- Input voltage range 2.5V ~ 4.5V
- Output voltage range 0.95 V ~ 4.5V(REF input voltage range 0.5V~VIN)
- Current mode control
- Integrated output FET synchronous rectifier step-down DC-DC converter
- Switching frequency 2.0MHz typ.
- Maximum output current 750mA (Switching regulator part)
- Maximum output current 1200mA (Bypass switch part)
- PchFET on resistance at bypass mode: (70mohm) typ.
- 1.6mm x 1.6mm, t=0.4mm MAX, WLCSP