
Advanced Power Electronics Corp
DESCRIPTION
The APU3073 controller IC is designed to provide a low cost synchronous Buck regulator for on-board DC to DC converter for multiple output applications.
The outputs can be programmed as low as 0.8V for low voltage applications.
FEATURES
■ Synchronous Controller plus one LDO controller
■ Current Limit using MOSFET Sensing
■ Single 5V/12V Supply Operation
■ Programmable Switching Frequency up to
400KHz
■ Soft-Start Function
■ Fixed Frequency Voltage Mode
■ Precision Reference Voltage Available
■ Uncommitted Error Amplifier available for DDR
■ voltage tracking application
APPLICATIONS
■ DDR memory source sink VTT application
■ Low cost on-board DC to DC such as
12V/5V to output voltages as low as 0.8V
■ Graphic Card
■ Hard Disk Drive
■ Multi-Output Applications
■ RoHS Compliant