Features

• 2.7V to 5.5V Input Voltage Range

• 2 MHz DC/DC Converter and Two LDOs

• Integrated Power-on Reset (POR)

- Adjustable POR Delay Time

• LOWQ Mode

- 30 μA Total IQ when in LOWQ Mode

• DC/DC Converter

- Up to 600 mA of Output Current in PWM

Mode

- LOWQ Mode: NO RIPPLE Light Load Mode

- 75μVRMS Output Noise in LOWQ Mode

- 2 MHz PWM Mode Operation

- > 90% Efficiency

• LDO1 Input Voltage Directly Connected to DC/DC

Converter Output Voltage for Maximum Efficiency

- Ideal for 1.8V to 1.5V Conversion

- 300 mA Output Current from 1.8V Input

- Output Voltage Down to 0.8V

• LDO2 – 300 mA Output Current Capable

• Thermal Shutdown Protection

• Current Limit Protection

• Simple, Leakage-Free Interfacing to Host MPU in

Applications with Backup Power

• Tiny 16-Pin 3 mm x 3 mm QFN Package

Applications

• Embedded MPU and MCU Power

• Portable and Wearable Applications

• Low-Power RF Systems

• Backup Power Systems