Description
The uP9628P is a high performance synchronous buck converter specifically designed to work with 2.7V~22V input
voltage and deliver high quality output voltage for microprocessor and chipset supplies.
The uP9628P provides flexible selection of output LC filter and excellent transient response to load and line regulation.
The uP9628P has complete functions including under voltage protection, over voltage protection, current limit
protection, soft-start, power good indication and over temperature protection. This part is available in WQFN4X4-23L
package.

Features
 Support NVIDIA Open VReg Type 1 Technology
 Wide Input Voltage Range from 2.7V to 22V
 Output Current Up to 12A
 Adjustable Output Voltage from 0.6V to 2.5V
 Selectable Operation Frequency from 300kHz
to 600kHz
 Constant On Time Control
 Fast Load Transient Response
 Adjustable Soft-Start Function
 Support Output Discharge (Soft-Off) Function
 Selectable Forced CCM or DCM
 Power Good Indication
 Current Limit Protection
 Over/Under Voltage Protection
 Over Temperature Protection
 RoHS Compliant and Halogen Free

Applications
 CPU Core I/O Supplies
 Graphic Cards
 Microprocessor and Chipset Supplies
 Desktop PCs, Notebook Computers