Features
- VIN: 0.6V to 5.5V
- Minimum Input Startup Voltage: 1V
- Output Voltage (VOUT): 1.7V to 5.5V
- 4.7A Switching Current
- 0.8V ± 1% Reference Voltage
- 20μA Low Quiescent Current (Pulse Frequency Modulation)
- 900kHz Switching Frequency
- Up to 89% Efficiency at 5mA Light Load
- Selectable Operation Mode
- Pulse Frequency Modulation (PFM)
- Ultrasonic Mode (USM)
- Forced Pulse Width Modulation (FPWM)
- Power-Good Indicator with 5MΩ Internal Pull-up Resistor
- Protection Circuitry
- Undervoltage Lockout (UVLO)
- Peak Current Limit
- Negative (Valley) Current Limit
- Output Short Circuit Protection (SCP)
- Thermal Shutdown
- Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
- Halogen and Antimony Free. “Green” Device (Note 3)
- For automotive applications requiring specific change control

Applications
- Low voltage power cells
- Portable consumer devices
- Supercapacitor charge storages
- USB power supplies
- Power banks
- Industrial metering equipments