DESCRIPTION
The APU3146 IC combines a Dual synchronous Buck controller, providing a cost-effective, high performance and flexible solution. The APU3146 can configured as 2-independent or as 2-phase controller. The 2-phase configuration is ideal for high current applications.

FEATURES
■ Dual Synchronous Controller with 180° out-of-phase
■ Configurable to 2-Independent Outputs or 2-Phase Single Output
■ Current Sharing Using Inductors DCR
■ Current Limit using MOSFETs RDS(ON)
■ Hiccup/Latched Current Limit
■ Latched Over-Voltage Protection
■ Vcc from 4.5V to 16V Input
■ Programmable Switching Frequency up to 500KHz
■ Two Independent Soft-Starts/ Shutdowns
■ 0.8V Precision Reference Voltage Available
■ Power Good Output
■ External Frequency Synchronization

APPLICATIONS
■ Embedded Computer Systems
■ Telecom Systems
■ Point of Load Power Architectures
■ 2-Phase Power Supply
■ DDR Memory Applications
■ Graphic Card