General Description

The AOZ1034 is a synchronous high efficiency, simple to use, 4A buck regulator. The AOZ1034 works from a 4.5V to 18V input voltage range, and provides up to 4A of continuous output current with an output voltage adjustable down to 0.8V. The AOZ1034 comes in both a 5x4 DFN-8 and an exposed pad SO-8 package and is rated over a -40°C to +85°C ambient temperature range.

Features

• 4.5V to 18V operating input voltage range

• Synchronous rectification: 60mΩinternal high-side switch and 20mΩInternal low-side switch

• High efficiency: up to 95%

• Internal soft start

• Output voltage adjustable to 0.8V

• 4A continuous output current

• Fixed 500kHz PWM operation

• Cycle-by-cycle current limit

• Pre-bias start-up

• Short-circuit protection

• Thermal shutdown

• Thermally enhanced 5x4 DFN-8 and exposed pad SO-8 packages