RT8801B Datasheet Multi-phase Pwm Controller

Manufacturer: Richtek Technology

Overview: Preliminary RT8801B Multi-Phase PWM Controller for K8 CPU Core Power Supply with Serial Programming.

Datasheet Details

The RT8801B is a multi-phase synchronous buck controller which is implemented with full control functions for AMD K8 pliant CPU.

The RT8801B could be operated with 2, 3 or 4 buck switching stages operating in interleaved phase set automatically.

The multiphase architecture ..

z z z z z z z z z z z z Multi-Phase Power Conversion with Automatic Phase Selection 6-bits AMD K8 DAC Output with Active Droop Compensation for Fast Load Transient Smooth VCORE Transition at VID Jump Power Stage Thermal Balance by DCR Current Sense Hiccup Mode Over-Current Protection Adjustable Switching Frequency (50kHz to 400kHz per Phase) Under-Voltage Lockout and Soft-Start High Ripple Frequency Times Channel Number 2-Wires Programming Interface Software Programmable VID 32-Lead VQFN Pa.

Part Number	Description
RT8801	Multi-Phase PWM Controller
RT8800	General Purpose 2/3-Phase PWM Controller
RT8800A	General Purpose 3-Phase PWM Controller
RT8800B	General Purpose 2/3-Phase PWM Controller
RT8802A	2/3/4/5-Phase PWM Controller
RT8803A	2/3-Phase PWM Controller
RT8805	Two Phase General Purpose PWM Controller
RT8805C	Two Phase General Purpose PWM Controller
RT8807	Two Phases Synchronous Buck PWM Controller
RT8807A	Two Phases Synchronous Buck PWM Controller