Key Features
■ 300 mA buck regulator
□ 750 nA total input current (buck enabled
no load)
□ Up to 81% efficiency at 1.8 V output,
10 μA load currents
□ Input voltage 2.5 V to 5.5 V(Minimum
2.75 V for start up)
□ Output voltage 0.6 V to 1.9 V
□ Dynamic Voltage Control (DVC)
■ I2C interface for device configuration and
control
■ Protection features and System Monitors
■ Small 1.65 mm x 1.25 mm, 12-pin WLCSP
package