Features

- VIN: 3.8V to 40V

- Output Voltage (VOUT): 0.8V to VIN

- 1A Continuous Output Current

- 0.8V ± 1 Reference Voltage

- 25μA Low Quiescent Current (Pulse Frequency Modulation)

- Adjustable Switching Frequency: 100kHz to 2.2MHz

- External Clock Synchronization: 100kHz to 2.2MHz

- Adjustable Soft-Start Time

- Up to 88 Efficiency at 5mA Light Load

- Proprietary Gate Driver Design for Best EMI Reduction

- Frequency Spread Spectrum (FSS) to Reduce EMI

- Low-Dropout (LDO) Mode

- Precision Enable Threshold to Adjust UVLO

- Protection Circuitry

- Undervoltage Lockout (UVLO)

- Output Overvoltage Protection (OVP)

- Cycle-by-Cycle Peak Current Limit

- 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

- Distributed Power Bus Supplies

- Power Tools and Laser Printers

- White Goods and Small Home Appliances

- Home Audio

- Network Systems

- Consumer Electronics

- General Purpose Point of Load