Key Features
■ 300 mA buck regulator
□ 750 nA total input current (buck enabled
no load, LDO disabled)
□ Up to 81% efficiency at 1.8 V output,
10 μA load current
□ 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)
■ 100 mA LDO/Load Switch
□ Ultra-low quiescent current
□ Input voltage 1.8 V to 5.5 V
□ Output voltage 0.7 V to 3.3 V
■ I2C interface for device configuration and
control
■ Protection features and System monitors
■ Small 1.65 mm x 1.25 mm, 12-pin WLCSP
package