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