Features

• 950nA quiescent current

• 86 efficiency at 10μA load (VIN = 3.6V,

VOUT = 3.3V)

• 97 peak efficiency (VIN = 3.6V, VOUT = 3.3V)

• Input voltage range: 1.8V to 5.5V

• Output voltage range: 0.4V to 5.375V

• Output current: up to 600mA (VIN > 2.5V)

• Selectable Forced and Auto Bypass power saving

modes

• PFM and PWM modes with seamless transition

• I2C control and voltage adjustability

• Hysteretic controller

• Auxiliary switched output

• Small 1.8mm×1.0mm 8 Bump WLCSP

Applications

• Smart watches and wristband devices

• Wireless earphones

• Internet of Things (IoT) devices

• Water, gas, and oil meters

• Portable medical devices

• Hearing aid devices