Features

• 1300nA quiescent current

• 84 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: 1.8V to 5.375V

• Output current: up to 500mA (VIN > VOUT > 2.5V)

• Selectable Forced and Auto Bypass power saving

modes

• Seamless PWM/PFM and buck/boost transition

• I2C control and voltage adjustability

• Hysteretic controller

• Small 1.8mmx1.0mm 8 Bump WLCSP and 3.0mm

x 2.0mm 8 Ld DFN packages

Applications

• Smart watches and wristband devices

• Wireless earphones

• Internet of Things (IoT) devices

• Water, gas, and oil meters

• Portable medical devices

• Hearing aid devices