Features
 Input Voltage Range: 2.5V to 5.5V
 Output Voltage Range: 1.8V to 5.5V
- with Digitally Programmable 25mV/steps
 Default Output Voltage Setting
- VOUT = 3.3V at VREGSEL= Low
- VOUT = 3.45V at VREGSEL= High
 Up to 2.5A Maximum Load Capability
 High Efficiency across a wide input voltage and output
current range
 OCP, OVP, OTP and UVLO Protected Function
 Low Quiescent Current
 Forced PWM and Automatic PFM/PWM Mode
Selection
 Output Fast Discharge Function
 Automatic / Seamless Step Up and Step Down Mode
Transitions
 Supports DVS function
 Programmable Registers over I2C Interface
 0.4mm pitch, 15-Bump WLCSP

Applications
 Mobile and Smart Phones
 Tablet
 Portable Devices