Features

• Wide VIN buck regulator

• Input voltage: 3V to 40V with 1.1A output current

• Internal fixed frequency (500kHz) or adjustable

switching frequencies (300kHz to 2MHz)

• Selectable PFM or PWM mode at light loads

• Internal or external soft-start

• Low VIN buck regulator

• Input voltage: 2.7V to 5.5V, with 1.5A output

current

• VOUT range: 0.6V to VIN

• Fixed 1MHz switching frequency

• Synchronous operation for high efficiency

• Integrated high-side and low-side MOS devices

• Internal or external compensation option

• Power-good and enable functions

• Thermal shutdown