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